WO2012086812A1 - 配糖体化合物 - Google Patents
配糖体化合物 Download PDFInfo
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- WO2012086812A1 WO2012086812A1 PCT/JP2011/079933 JP2011079933W WO2012086812A1 WO 2012086812 A1 WO2012086812 A1 WO 2012086812A1 JP 2011079933 W JP2011079933 W JP 2011079933W WO 2012086812 A1 WO2012086812 A1 WO 2012086812A1
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- 0 CC(C)CCCCCCCOC(CCc(cc1)cc(*)c1O)=O Chemical compound CC(C)CCCCCCCOC(CCc(cc1)cc(*)c1O)=O 0.000 description 10
- ULWHEXUWXLOVPV-UHFFFAOYSA-N CC(OCC(C(C1OC(C)=O)OC(C)=O)OCC1OC(C)=O)=O Chemical compound CC(OCC(C(C1OC(C)=O)OC(C)=O)OCC1OC(C)=O)=O ULWHEXUWXLOVPV-UHFFFAOYSA-N 0.000 description 1
- CKXHFJMCISNIFA-UHFFFAOYSA-N CCCCCCCCCCCCC(OCc(cc1)cc(OC)c1O)=O Chemical compound CCCCCCCCCCCCC(OCc(cc1)cc(OC)c1O)=O CKXHFJMCISNIFA-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/602—Glycosides, e.g. rutin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/20—Carbocyclic rings
- C07H15/203—Monocyclic carbocyclic rings other than cyclohexane rings; Bicyclic carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/20—Carbocyclic rings
- C07H15/207—Cyclohexane rings not substituted by nitrogen atoms, e.g. kasugamycins
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/44—Preparation of O-glycosides, e.g. glucosides
- C12P19/46—Preparation of O-glycosides, e.g. glucosides having an oxygen atom of the saccharide radical bound to a cyclohexyl radical, e.g. kasugamycin
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2200/00—Function of food ingredients
- A23V2200/30—Foods, ingredients or supplements having a functional effect on health
- A23V2200/328—Foods, ingredients or supplements having a functional effect on health having effect on glycaemic control and diabetes
Definitions
- the present invention relates to a specific compound.
- the present invention also relates to a method for producing the compound, and a glucagon-like peptide-1 (GLP-1) secretion promoter, pharmaceutical composition, food composition and cosmetic composition containing the compound.
- GLP-1 glucagon-like peptide-1
- Patent Document 1 Japanese Patent No. 3506466 discloses capsaicin glycosides and the like. However, even though the pungent taste of capsaicin could be reduced by the compound, the pungent taste could not be completely eliminated by a high concentration formulation.
- Patent Document 3 Japanese Patent No. 4163363 discloses a fermented composition of spicy varieties of pepper and its use.
- the varieties of chili peppers are generally liquid, methods such as extraction and column purification have been limited in order to improve purity.
- Glucagon-like peptide-1 is a peptide made from the same gene proglucagon sequence as glucagon.
- GLP-1 is one of the incretin-acting factors secreted from the small intestine, and has actions such as glucose concentration-dependent insulin secretion promotion, Langerhans islet ⁇ -cell proliferation, glucagon secretion inhibition, gastric excretion ability inhibition, and central appetite inhibition .
- a substance having a GLP-1 secretion promoting action can be used as a preventive or therapeutic agent for diabetes (particularly type II diabetes) and an antifeedant.
- the object of the present invention is to provide a novel compound that exhibits a solid form that exhibits no significant pungent taste even when used at high concentrations, has excellent stability in various usage environments, and exhibits a significant GLP-1 secretion promoting effect. It is to be.
- R 11 , R 12 , R 13 , R 14 and R 15 is a GO group, where G represents a sugar residue).
- X 1 represents a single bond, or a methylene group, an ethylene group, a trimethylene group, a vinylene group, or —CH ⁇ CH—CH 2 —, X 2 represents —CO—O— or —O—CO—,
- Y 1 represents a methylene group, an ethylene group or an alkenylene group having 2 to 15 carbon atoms containing 1 to 3 double bonds (wherein the double bonds may be cis or trans).
- R 16 and R 17 each independently represent a hydrogen atom, a methyl group or an ethyl group, or R 16 and R 17 together with the carbon atom to which they are attached form a C 3-6 cycloalkane.
- R 21 represents a hydrogen atom
- R 22 represents a methoxy group
- R 23 represents a GO group
- R 22 represents a methoxy group
- R 23 represents a hydrogen atom
- R 21 represents a hydrogen atom
- R 22 represents a GO group
- R 23 represents a methoxy group
- X 3 represents a methylene group, an ethylene group or —CH ⁇ CH—CH 2 —
- X 2 represents —CO—O— or —O—CO—
- Y 2 represents a methylene group, an ethylene group or a vinylene group
- R 24 and R 25 each independently represent a hydrogen atom or a methyl group, or R 24 and R 25, together with the carbon atoms to which they are attached form a C 3-6 cycloalkane.
- a GLP-1 secretion promoter comprising the compound according to any one of [1] to [9].
- a pharmaceutical composition comprising the compound according to any one of [1] to [9].
- a food composition comprising the compound according to any one of [1] to [9].
- a cosmetic composition comprising the compound according to any one of [1] to [9].
- R 11a , R 12a , R 13a , R 14a and R 15a are each independently a hydrogen atom, a hydroxyl group, a C 1-6 alkyl group, a C 1-1 , except that at least one of them is a hydroxyl group.
- a 6 alkoxy group or a C 1-6 alkyl-carbonyloxy group, Other symbols are as defined in [1].
- Y represents an ethylene group or a vinylene group
- R represents a hydrogen atom or a methyl group
- n represents an integer of 3 to 5.
- R 18 represents a hydrogen atom or a C 1-6 alkyl group, and other symbols are as defined in [1].
- Formula (I ''-1) characterized by
- Y represents an ethylene group or a vinylene group
- R represents a hydrogen atom or a methyl group
- n represents an integer of 3 to 5.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 each independently represents a hydroxyl protecting group
- R 20 represents a hydrogen atom or a hydroxyl-protecting group.
- Step b A step of deprotecting the hydroxyl-protecting group of the compound represented by formula (VII) or (VIII).
- Y represents an ethylene group or vinylene group
- R represents a hydrogen atom or a methyl group
- n represents an integer of 3 to 5.
- R 9 represents a hydroxyl-protecting group.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 each independently represents a hydroxyl protecting group
- R 20 represents a hydrogen atom or a hydroxyl-protecting group
- Step b a step of deprotecting the hydroxyl-protecting group of the compound represented by formula (X) or (XI) to obtain a compound represented by formula (XII) or (XIII);
- Step c A step of reacting the compound represented by the formula (XII) or (XIII) with the compound represented by the formula (IV) or a salt thereof.
- a method for promoting GLP-1 secretion in a mammal comprising administering an effective amount of the compound according to any one of [1] to [9] to the mammal.
- R 11 , R 12 , R 13 , R 14 and R 15 is a G—O— group (where G represents a sugar residue, and a sugar residue having a protecting group)
- G represents a sugar residue, and a sugar residue having a protecting group
- Each other independently represents a hydrogen atom, a hydroxyl group, a C 1-6 alkyl group, a C 1-6 alkoxy group, a C 1-6 alkyl-carbonyloxy group or a GO group.
- X 1 represents a single bond, a methylene group, an ethylene group, a trimethylene group, a vinylene group, or —CH ⁇ CH—CH 2 —. However, the following compounds are excluded.
- R 11 , R 12 , R 13 , R 14 and R 15 is a G—O— group (where G represents a sugar residue, and a sugar residue having a protecting group)
- G represents a sugar residue, and a sugar residue having a protecting group
- Each other independently represents a hydrogen atom, a hydroxyl group, a C 1-6 alkyl group, a C 1-6 alkoxy group, a C 1-6 alkyl-carbonyloxy group or a GO group.
- X 1 represents a single bond, or a methylene group, an ethylene group, a trimethylene group, a vinylene group, or —CH ⁇ CH—CH 2 —
- R 19 represents a hydrogen atom or a C 1-6 alkyl group. However, the following compounds are excluded.
- R 13 is a G—O— group
- G is a glucosyl group or a mannosyl group
- R 11 , R 12 , R 14 and R 15 are hydrogen atoms
- X 1 is a methylene group
- R 19 is a hydrogen atom.
- R 13 represents a G—O— group
- G represents a glucosyl group
- R 12 represents a methoxy group
- R 11 , R 14 and R 15 represent a hydrogen atom
- X 1 represents a methylene group or an ethylene group
- R 19 represents a hydrogen atom
- R 13 represents a GO group
- G represents a glucosyl group
- R 11 , R 12 , R 14 and R 15 represent a hydrogen atom
- X 1 represents an ethylene group.
- R 19 represents a hydrogen atom.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- 4 is a graph showing measurement results of GLP-1 concentration in a supernatant in Test Example 1.
- the schemes of Examples 1 to 4 are shown.
- the schemes of Examples 5 to 7 are shown.
- the schemes of Examples 8 to 10 are shown.
- the scheme of Examples 11 and 12 is shown.
- the schemes of Comparative Examples 1 and 2 and Example 13 are shown.
- the schemes of Examples 14 to 16 are shown.
- the schemes of Examples 17 to 19 are shown.
- the schemes of Examples 20 to 22 are shown.
- the schemes of Examples 23 to 25 are shown.
- the schemes of Examples 26 to 28 are shown.
- the schemes of Example 29 and Comparative Example 3 are shown.
- the present invention relates to a compound represented by the formula (I ′′). This will be described in detail below.
- R 11 , R 12 , R 13 , R 14 and R 15 is a GO group, where G represents a sugar residue).
- X 1 represents a single bond, or a methylene group, an ethylene group, a trimethylene group, a vinylene group, or —CH ⁇ CH—CH 2 —, X 2 represents —CO—O— or —O—CO—,
- Y 1 represents a methylene group, an ethylene group or an alkenylene group having 2 to 15 carbon atoms containing 1 to 3 double bonds (wherein the double bonds may be cis or trans).
- R 16 and R 17 each independently represent a hydrogen atom, a
- Sugar residue means a portion obtained by removing a hemiacetal hydroxyl group from sugar. Furthermore, the sugar residue includes a sugar residue having a protecting group, that is, a sugar derivative having a protecting group at a hydroxyl group other than the hemiacetal hydroxyl group.
- Sugar residues include monosaccharide residues such as glucosyl group, galactosyl group, xylosyl group, mannosyl group, rhamnosyl group, disaccharide residues such as cellobiosyl group and maltosyl group, and trisaccharides such as maltotriosyl group.
- G is preferably a glucosyl group, a rhamnosyl group, a cellobiosyl group, a maltosyl group or a maltotriosyl group, more preferably a glucosyl group or a cellobiosyl group, and still more preferably a glucosyl group.
- the sugar residue and the aglycone may be bonded to either an ⁇ -bond or a ⁇ -bond, or a mixture of an ⁇ -bonded glycoside and a ⁇ -linked glycoside. It may be.
- a ⁇ -linked glycoside is preferable.
- the ratio of the ⁇ -form to the ⁇ -form is arbitrary.
- the ratio of ⁇ form: ⁇ form is preferably 100: 1 to 1: 100, more preferably 75: 1 to 1:75, and still more preferably 50: 1 to 1:50.
- hydroxyl protecting group examples include C 1-6 alkyl-carbonyl groups (eg, acetyl group, propionyl group, pivaloyl group, etc.), C 7-12 aralkyl groups (eg, benzyl group, etc.), C 6-12 aryl-carbonyl groups, etc.
- Group eg, benzoyl group
- tri (C 1-6 alkyl) silyl group eg, trimethylsilyl group, triethylsilyl group, triisopropylsilyl group, tert-butyldimethylsilyl group, etc.
- tri (C 7-12 aralkyl) ) Silyl group di (C 6-12 aryl) (C 1-6 alkyl) silyl group (eg, tert-butyldiphenylsilyl group) and the like.
- a C 1-6 alkyl-carbonyl group eg, acetyl group, propionyl group, pivaloyl group, etc.
- a C 7-12 aralkyl group eg, benzyl group
- an acetyl group A benzyl group is more preferable, and an acetyl group is still more preferable.
- the C 1-6 alkyl group means a linear or branched alkyl group having 1 to 6 carbon atoms. Examples thereof include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, an isopropyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, an isopentyl group, a tert-pentyl group, and a neopentyl group. .
- a methyl group is preferable.
- the C 1-6 alkoxy group means a linear or branched alkoxy group having 1 to 6 carbon atoms.
- a methoxy group is mentioned.
- the C 1-6 alkyl-carbonyloxy group means an alkyl-carbonyloxy group in which the alkyl part is a linear or branched alkyl group having 1 to 6 carbon atoms.
- An acetyloxy group is preferable.
- alkenylene group having 2 to 15 carbon atoms containing 1 to 3 double bonds examples include vinylene, —CH ⁇ CH—CH ⁇ CH—, —CH ⁇ CH—CH ⁇ CH—CH ⁇ CH— and the like. Can be mentioned.
- the double bond may be either cis or trans.
- the double bond is preferably trans.
- C 3-6 cycloalkane means a cycloalkane having 3 to 6 carbon atoms. Examples thereof include cyclopropane, cyclobutane, cyclopentane, and cyclohexane. Preferably, cyclohexane is used.
- Examples of the salt of the compound represented by the formula (XVI), (XVII), (XVII-1) or (IV) include salts with alkali metals such as sodium and potassium, and alkaline earth metals such as calcium and magnesium. Salt.
- R 11 , R 12 and R 13 are preferably the following combinations.
- R 11 represents a hydrogen atom
- R 12 represents a methoxy group
- R 13 represents a G—O— group
- R 11 represents a G—O— group
- R 12 represents a methoxy group
- R 13 represents a hydrogen atom
- R 11 represents a hydrogen atom
- R 12 represents a GO group
- R 13 represents a methoxy group (where G represents a sugar residue).
- R 14 and R 15 are preferably a hydrogen atom.
- X 1 is preferably a methylene group, an ethylene group or —CH ⁇ CH—CH 2 —, and more preferably a methylene group or an ethylene group.
- Y 1 is preferably a methylene group, an ethylene group or a vinylene group, and more preferably an ethylene group or a vinylene group.
- R 16 and R 17 preferably each independently represent a hydrogen atom or a methyl group, or R 16 and R 17 together with the carbon atom to which they are attached form a C 3-6 cycloalkane. To do. More preferably, R 16 and R 17 each independently represent a hydrogen atom or a methyl group.
- compound (I ′′) Preferable examples of the compound represented by the formula (I ′′) (hereinafter referred to as compound (I ′′)) include the following compounds.
- R 21 represents a hydrogen atom
- R 22 represents a methoxy group
- R 23 represents a GO group
- R 22 represents a methoxy group
- R 23 represents a hydrogen atom
- R 21 represents a hydrogen atom
- R 22 represents a GO group
- R 23 represents a methoxy group
- X 3 represents a methylene group, an ethylene group or —CH ⁇ CH—CH 2 —
- X 2 represents —CO—O— or —O—CO—
- Y 2 represents a methylene group, an ethylene group or a vinylene group
- R 24 and R 25 each independently represent a hydrogen atom or a methyl group, or R 24 and R 25, together with the carbon atoms to which they are attached form a C 3-6 cycloalkane.
- R 11 , R 12 , R 13 , R 14 and R 15 are each independently a hydrogen atom except that at least one of them is a G—O— group (where G represents a sugar residue).
- G represents a sugar residue
- X 1 represents a single bond or a methylene group, an ethylene group, a trimethylene group or a vinylene group
- X 2 represents —CO—O— or —O—CO—
- Y 1 represents an ethylene group or an alkenylene group having 2 to 15 carbon atoms containing 1 to 3 double bonds (wherein the double bond may be either cis or trans).
- R 16 and R 17 each independently represents a hydrogen atom, a methyl
- More preferable examples of the compound (I ′′) include compounds 3, 4, 11, 12, 15, 16, 17, 18, 19, 20, 22, 22-1, 23, described in Examples below. 23-2, 24, 24-2, 25, 26, 29, 29-2, 30, 30-2, 31, 31-2, 32, 32-2, 32-3, 33, 33-4, 34, 34-1, 35, 35-2, 36, 36-2, 38, 38-2, 39, 40, 40-3, 41, 42, 42-4, 44, 44-3, 45, 45-4, 46.
- Particularly preferred examples of the compound (I ′ ′) include compounds 4, 12, 16, 18, and 20 described in Examples below.
- compound (I ′) Preferable examples of the compound represented by the formula (I ′) (hereinafter referred to as compound (I ′)) include the following compounds.
- Y represents an ethylene group or a vinylene group
- R represents a hydrogen atom or a methyl group
- n represents an integer of 3 to 5.
- the compound of the present invention is not particularly limited, but may be produced by a chemical synthesis method or may be extracted from a specific plant. From the viewpoint of ensuring safety from food history, those extracted from plants are preferable, those extracted from Solanales order plants are more preferable, those extracted from plants of Solanaceae family are more preferable, Capsiceae Those extracted from tribe plants are even more preferred, and those extracted from Capsicum genus plants are even more preferred.
- Capsicum genus plants are not particularly limited, and specific examples include capsicum (Casicum annuum L., Capsicum chinense), peppers, etc., and spicy varieties Capsicum annum L. “Zavory Hot”, “Aji dulce strain 2” and “Belize Sweet” are preferred, and the non-savory varieties Capsicum annum L. “CH-19 sweet” is more preferred.
- the natural material of the plant is preferably extracted after being subjected to treatments such as drying and pulverization in addition to adding an extraction solvent to the raw material that has been crushed, shredded or ground, and considering the extraction efficiency.
- the extraction is performed by immersing the natural plant material in an extraction solvent.
- stirring may be performed or homogenization may be performed in an extraction solvent.
- the extraction temperature can be performed at room temperature or under heating, and is suitably from about 1 ° C. to the boiling point of the extraction solvent, preferably 1 ° C. to 100 ° C., more preferably 20 ° C. to 90 ° C. .
- the extraction time varies depending on the type of extraction solvent and the extraction temperature, but can be set as appropriate and can be 4 hours to 14 days.
- the number of extractions is preferably 1 to 5 times.
- lower alcohols such as methanol, ethanol, propanol and isopropanol; polyhydric alcohols such as 1,3-butanediol, propanediol, dipropanediol and glycerine; ethers such as diethyl ether and dipropyl ether; acetic acid Esters such as ethyl and butyl acetate; Ketones such as acetone and ethyl methyl ketone; Organic solvents such as chloroform, dichloromethane, acetonitrile, and hexane can be used, and one or more of these can be selected and used. Can do.
- an organic solvent or a mixed solvent of an organic solvent and water can be preferably used in the present invention.
- the organic solvent lower alcohols, 1,3-butanediol, glycerin, ethers, acetone, acetonitrile, esters and hexane can be preferably used, and one or more of them can be selected and used.
- the lower alcohol is preferably methanol and ethanol
- the ether is preferably diethyl ether
- the ester is preferably ethyl acetate.
- a reverse phase resin obtained by binding carbon chains having 1 to 30 carbon atoms a normal phase resin using silica gel as a carrier, a polystyrene synthetic adsorbent (Diaion) It is possible by using chromatography with HP20, HP21, Sepabeads SP825, SP850, SP70, SP700), polystyrene synthetic adsorbent (Sepabead SP207), and methacrylic synthetic adsorbent (Diaion HP1MG, HP2MG).
- the elution solvent used in the above chromatography includes water, lower alcohols such as methanol, ethanol, propanol and isopropanol; polyhydric alcohols such as 1,3-butanediol, propanediol, dipropanediol and glycerin; diethyl ether Ethers such as dipropyl ether; esters such as ethyl acetate and butyl acetate; ketones such as acetone and ethyl methyl ketone; and organic solvents such as chloroform, dichloromethane, acetonitrile, and hexane can be used. Or 2 or more types can be selected and used. Further, physiological saline, phosphate buffer, phosphate buffered physiological saline, or the like may be used.
- R 11a , R 12a , R 13a , R 14a and R 15a are each independently a hydrogen atom, a hydroxyl group, a C 1-6 alkyl group, a C 1-1 , except that at least one of them is a hydroxyl group.
- a 6 alkoxy group or a C 1-6 alkyl-carbonyloxy group, R 11 , R 12 , R 13 , R 14 and R 15 are each independently a hydrogen atom, except that at least one of them is a GO group (where G represents a sugar residue).
- Compound (I ′ ′) can be produced by glycosidating compound (XIV).
- Glycosidation can be performed by a method using an enzyme such as a glycosyltransferase (eg, glucosyltransferase) or a method using chemical synthesis. For example, it can carry out by the method similar to the process 1 and 2 of the manufacturing method 6 mentioned later.
- capsinoids such as capsiate, dihydrocapsiate, nordihydrocapsiate, vanillyl decanoate, compounds prepared by the method described in WO2007 / 111276, WO2008 / 001912, and the like can be used.
- R 18 represents a hydrogen atom or a C 1-6 alkyl group, and other symbols are as defined above.
- Esterification can be performed according to a known method. For example, it can be carried out by the same method as in step 5 of production method 7 described later.
- Compound (XV), which is a raw material compound, can be produced, for example, by the same method as steps 3 and 4 of production method 7 described later.
- R 19 represents a hydrogen atom or a C 1-6 alkyl group, and other symbols are as defined above.
- Esterification can be performed according to a known method. For example, it can be carried out by the same method as in step 5 of production method 7 described later.
- Compound (XVII) which is a raw material compound can be produced, for example, by the same method as in steps 3 and 4 of production method 7 described later.
- Compound (I ′) can be produced by glycosidating compound (II). Glycosidation can be performed by a method using an enzyme such as a glycosyltransferase (eg, glucosyltransferase) or a method using chemical synthesis. For example, it can carry out by the method similar to the process 1 and 2 of the manufacturing method 6 mentioned later.
- a glycosyltransferase eg, glucosyltransferase
- chemical synthesis e.g, it can carry out by the method similar to the process 1 and 2 of the manufacturing method 6 mentioned later.
- capsinoids such as capsiate, dihydrocapsiate, nordihydrocapsiate, vanillyl decanoate, compounds prepared by the method described in WO2007 / 111276 and WO2008 / 001912 can be used.
- Compound (I ′) can be produced by reacting compound (III) with compound (IV) or a salt thereof. This reaction can be performed, for example, in the same manner as in Step 5 of Production Method 7 described later.
- Compound (III), which is a raw material compound, can be produced, for example, by the same method as steps 3 and 4 of production method 7 described later.
- the compound represented by the formula (I ′) can be produced by the production method 6 described below.
- R 20 represents a hydrogen atom or a hydroxyl-protecting group, and other symbols are as defined above.
- Compound (VII) or (VIII) can be produced by reacting compound (II) with compound (V) or (VI).
- R 20 is a hydrogen atom
- compound (VII) or (VIII) can be produced by subjecting compound (II) and compound (V) or (VI) to a dehydration condensation reaction.
- the conditions for the dehydration condensation reaction are not particularly limited as long as the reaction proceeds, and preferably the Mitsunobu reaction can be performed.
- the dehydration condensation reaction can be carried out by reacting compound (II) with compound (V) or (VI) in the presence of an azodicarboxylic acid ester and phosphine.
- azodicarboxylic acid esters include diethyl azodicarboxylate, dimethyl azodicarboxylate, diisopropyl azodicarboxylate, di-tert-butyl azodicarboxylate, dibenzyl azodicarboxylate, and bis (2,2,2-trichloroethyl azodicarboxylate).
- phosphine examples include triphenylphosphine, tributylphosphine, tri-tert-butylphosphine, trihexylphosphine, trioctylphosphine, tricyclohexylphosphine, phenoxydiphenylphosphine, isopropyldiphenylphosphine, diphenyl-2-pyridylphosphine, 4- (dimethylamino). ) Phenyldiphenylphosphine, diethylphenylphosphine, dicyclohexylphenylphosphine and the like.
- the amount of compound (V) or (VI) to be used is 0.5-3 mol, preferably 1-2 mol, per 1 mol of compound (II).
- the amount of the azodicarboxylic acid ester to be used is 0.5-3 mol, preferably 1-2 mol, per 1 mol of compound (II).
- the amount of phosphine to be used is 0.5-3 mol, preferably 1-2 mol, per 1 mol of compound (II).
- This reaction is preferably performed in a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- reaction temperature is not particularly limited as long as the reaction proceeds, but the lower limit is preferably 10 ° C or higher, more preferably 20 ° C or higher, further preferably 30 ° C or higher, and further preferably 40 ° C or higher.
- the upper limit is preferably 80 ° C. or lower, and more preferably 70 ° C. or lower.
- the reaction time is not particularly limited as long as the reaction proceeds, but the lower limit is preferably 10 minutes or more, more preferably 30 minutes or more, still more preferably 1 hour or more, and even more preferably 2 hours or more.
- the upper limit is preferably 72 hours or less, more preferably 48 hours or less, still more preferably 24 hours or less, and even more preferably 20 hours or less.
- Lewis acids examples include BF 3 , BF 3 .OEt 2 , BCl 3 , TiCl 4 , TiBr 4 , SnCl 4 , SbCl 5 , SbF 5 , FeCl 3 , ZnCl 2 , ZnBr 2 , AlCl 3 , AlBr 3, and the like. .
- BF 3 and BF 3 ⁇ OEt 2 are used.
- the amount of compound (V) or (VI) to be used is 0.5-3 mol, preferably 1-2 mol, per 1 mol of compound (II).
- the amount of the Lewis acid to be used is 0.01 to 10 mol, preferably 0.05 to 5 mol, per 1 mol of compound (II).
- This reaction is preferably performed in a solvent.
- the solvent is not particularly limited as long as the reaction proceeds.
- halogenated hydrocarbons such as dichloromethane, 1,2-dichloroethane, and chloroform
- aromatic hydrocarbons such as toluene, xylene, and benzene
- hexane, heptane, and the like Aliphatic hydrocarbons; or a mixture thereof.
- the reaction temperature is ⁇ 100 ° C. to 140 ° C., preferably ⁇ 80 ° C. to 80 ° C.
- the reaction time is 1 hour to 48 hours, preferably 2 hours to 24 hours.
- Compound (I-1) or (I-2) can be produced by deprotecting the hydroxyl-protecting group of compound (VII) or (VIII).
- Deprotection of the protecting group can be carried out by a method known per se.
- the protecting group is a C 1-6 alkyl-carbonyl group
- it can be deprotected by hydrolysis in the presence of a base.
- the base include organic amines such as triethylamine and diisopropylethylamine.
- the amount of the base to be used is 5 to 200 mol, preferably 40 to 140 mol, per 1 mol of compound (VII) or (VIII). This reaction is preferably performed in a solvent.
- the solvent is not particularly limited as long as the reaction proceeds, and examples thereof include alcohols such as methanol, ethanol and isopropanol; water; or a mixture thereof.
- the reaction temperature is 10 ° C to 90 ° C, preferably 50 ° C to 70 ° C.
- the reaction time is 5 hours to 48 hours, preferably 20 hours to 30 hours.
- the protecting group is a C 1-6 alkyl-carbonyl group
- an enzyme such as lipase in an alcohol solvent such as methanol, ethanol or isopropanol
- the C 1-6 alkyl-carbonyl group can be selectively removed.
- an esterase such as a deacetylase can be used as the lipase.
- the amount of lipase to be used is 0.001 to 1 g, preferably 0.01 to 0.5 g, per 1 g of compound (VII) or (VIII).
- the reaction temperature is 10 ° C to 80 ° C, preferably 25 ° C to 70 ° C.
- the reaction time is 1 hour to 96 hours, preferably 10 hours to 48 hours.
- Compound (V) or (VI) as a raw material compound is commercially available 1,2,3,4,6-penta-O-acetyl- ⁇ -D-glucopyranose or ⁇ -D-cellobiose octaacetate, It can be produced by reacting with ammonium acetate in N-dimethylformamide or by reacting with benzylamine or the like in tetrahydrofuran.
- the compound represented by the formula (I ′) can be produced by the production method 7 described below.
- R 20 represents a hydrogen atom or a hydroxyl-protecting group, and other symbols are as defined above.
- Process 3 Compound (X) or (XI) can be produced by reacting compound (IX) with compound (V) or (VI). This reaction can be carried out in the same manner as in step 1 of production method 6.
- Compound (XII) or (XIII) can be obtained by deprotecting the hydroxyl-protecting group of compound (X) or (XI).
- Deprotection of the protecting group can be carried out by a method known per se.
- the protecting group is a C 1-6 alkyl-carbonyl group
- it can be carried out by hydrolysis in the presence of a base.
- the base include metal alkoxides such as sodium methoxide, sodium ethoxide and potassium tert-butoxide; alkali metal hydroxides such as sodium hydroxide and potassium hydroxide.
- the amount of the base to be used is 0.01 to 10 mol, preferably 0.05 to 1 mol, per 1 mol of compound (X) or (XI).
- This reaction is preferably performed in a solvent.
- the solvent is not particularly limited as long as the reaction proceeds, and examples thereof include alcohols such as methanol, ethanol and isopropanol; water; or a mixture thereof.
- the reaction temperature is 10 ° C to 80 ° C, preferably 20 ° C to 30 ° C.
- the reaction time is 30 minutes to 15 hours, preferably 1 hour to 5 hours.
- the reaction mixture is neutralized with a strongly acidic cation exchange resin, the resin is filtered off, and the filtrate is concentrated to give compound (XII) or (XIII).
- Compound (I-1) or (I-2) can be produced by reacting compound (XII) or (XIII) with compound (IV) or a salt thereof. This reaction is preferably carried out in the presence of esterase, particularly lipase.
- esterase particularly lipase.
- immobilized enzymes such as Novozym 435 (Novozymes), Lipozyme RM IM (Novozymes), lipase PS Amano (Amano Enzymes) can be used.
- a dehydrating agent such as magnesium sulfate is preferably added to the reaction solution.
- the amount of compound (IV) or a salt thereof used is 0.5 to 50 mol, preferably 1.0 to 15 mol, per 1 mol of compound (XII) or (XIII).
- the amount of lipase to be used is 0.001 to 1 g, preferably 0.01 to 0.5 g, per 1 g of compound (XII) or (XIII).
- the amount of the dehydrating agent to be used is 0.1-10 g, preferably 0.5-5 g, per 1 g of compound (XII) or (XIII).
- This reaction is preferably carried out without solvent, but a solvent can also be used. The solvent is not particularly limited as long as the reaction proceeds.
- acetones such as acetone and ethyl methyl ketone
- esters such as ethyl acetate and isopropyl acetate
- ethers such as 1,4-dioxane, tetrahydrofuran and diethyl ether
- Aromatic hydrocarbons such as benzene and toluene
- Aliphatic hydrocarbons such as hexane and heptane; or a mixture thereof.
- the reaction temperature is 10 ° C to 80 ° C, preferably 25 ° C to 70 ° C.
- the reaction time is 1 hour to 96 hours, preferably 10 hours to 48 hours.
- Compound (IX) which is a starting compound, reacts vanillyl alcohol and C 1-6 alkyl-carboxylic acid ester (eg, ethyl acetate) in the presence of lipase when R 9 is a C 1-6 alkyl-carbonyl group. Can be manufactured. This reaction can be carried out in the same manner as in step 5 of production method 7.
- C 1-6 alkyl-carboxylic acid ester eg, ethyl acetate
- the compound of the present invention has an excellent GLP-1 secretion promoting action and can be used as a GLP-1 secretion promoter.
- the GLP-1 secretion promoter can be used as a preventive or therapeutic agent for diabetes (particularly type II diabetes) and an antifeedant.
- Ingestion of the compound of the present invention before ingestion increases GLP-1 secretion, resulting in an effect of suppressing appetite itself.
- the “antifeeding agent” means a drug having an action of suppressing appetite itself when administered before ingestion of a meal.
- the compound of the present invention has a fat accumulation suppressing action, a sympathetic nerve activation action, and a blood circulation promoting action.
- the compound of the present invention since the compound of the present invention has an inhibitory effect on the increase in GPT value, which is a marker of liver damage, it can also be used as an agent for improving fatty liver caused by excessive intake of fat.
- the compound of the present invention Since the compound of the present invention has the above-mentioned effects, it can be used in pharmaceutical compositions, food compositions, and cosmetic compositions.
- the compound of this invention can be contained in the said composition as a 1 type, or 2 or more types of mixture.
- the compound of the present invention has excellent GLP-1 secretion promoting action, feeding suppression action and GPT level elevation inhibiting action, and therefore is used as a pharmaceutical for mammals such as humans, cows, horses, dogs, mice, rats, etc. can do.
- the compound of the present invention is usually orally preferred as a pharmaceutical composition mixed with a pharmaceutically acceptable carrier as it is or according to a method known per se, but is preferably parenterally (for example, intravenous, subcutaneous, intramuscular, suppository, It can also be administered by routes such as enema, ointment, patch, sublingual, eye drop, inhalation, etc.
- the dose to be used for the above purpose is determined by the intended therapeutic effect, administration method, treatment period, age, body weight, etc., but is usually 0.01 mg- 20 g, preferably about 0.1 mg to 10 g, is administered once or several times a day.
- the content of the compound of the present invention in the pharmaceutical composition is 0.01% by mass to 100% by mass of the whole composition.
- Examples of the pharmaceutically acceptable carrier in the pharmaceutical composition of the present invention include various organic or inorganic carrier substances commonly used as pharmaceutical materials, such as excipients, lubricants, binders, and disintegrants in solid preparations.
- additives such as a normal preservative, an antioxidant, a coloring agent, a sweetening agent, a sour agent, a foaming agent, and a fragrance
- Examples of the dosage form of such a pharmaceutical composition include tablets, powders, pills, granules, capsules, suppositories, liquids, dragees, depots, syrups, suspensions, emulsions, lozenges, It may be a sublingual agent, a patch, an orally disintegrating agent (tablet), an inhalant, an enema, an ointment, a tape, or an eye drop, and can be produced according to a conventional method using an ordinary formulation aid.
- the pharmaceutical composition of the present invention can be produced by a method commonly used in the field of pharmaceutical technology, such as the method described in the Japanese Pharmacopoeia. Below, the specific manufacturing method of a formulation is explained in full detail.
- an excipient when the compound of the present invention is prepared as an oral preparation, an excipient, and further, if necessary, a binder, a disintegrant, a lubricant, a coloring agent, a flavoring agent, etc.
- tablets, powders, pills, granules, capsules, suppositories, solutions, dragees, depots, or syrups are used.
- excipients include lactose, corn starch, sucrose, glucose, sorbit, crystalline cellulose
- binders include polyvinyl alcohol, polyvinyl ether, ethyl cellulose, methyl cellulose, gum arabic, tragacanth, gelatin, shellac, and hydroxypropyl cellulose.
- Hydroxypropyl starch polyvinyl pyrrolidone and the like, such as starch, agar, gelatin powder, crystalline cellulose, calcium carbonate, sodium bicarbonate, calcium citrate, dextran, pectin and the like as a disintegrant, and as a lubricant, for example, stearin
- stearin Magnesium acid, talc, polyethylene glycol, silica, hydrogenated vegetable oil, etc. are permitted to be added to pharmaceuticals as colorants, but as flavoring agents, cocoa powder, Tsu mosquito brain, aromatic acid, peppermint oil, borneol, cinnamon powder and the like are used.
- these tablets or granules may be appropriately coated with sugar coating, gelatin coating, etc. if necessary.
- a pH adjuster, a buffer, a stabilizer, a preservative, etc. are added as necessary, and a subcutaneous, intramuscular or intravenous injection is prepared by a conventional method.
- the food composition containing the compound of the present invention is preferably used as a food for suppressing eating, a food for suppressing appetite, or a food for diet. Furthermore, it is preferably used as a food for specified health use in the same application.
- Food in the present invention means food in general, but also includes foods for specified health use and functional foods for nutrition that are defined in the Health Functional Food System of the Consumer Affairs Agency in addition to general foods including so-called health foods. Yes, and dietary supplements are also included.
- the form of the food composition of the present invention is not particularly limited, and may be any form as long as it can be taken orally. Examples thereof include powders, granules, tablets, hard capsules, soft capsules, liquids (beverages, jelly beverages, etc.), candy, chocolate, etc., all of which can be produced by methods known per se in the art.
- the compounding amount of the compound of the present invention in the food composition is appropriately determined so as to obtain an appropriate dose within the indicated range.
- the food composition of the present invention can use other food additives as required.
- Such food additives include fruit juice, dextrin, cyclic oligosaccharides, sugars (monosaccharides and polysaccharides such as fructose and glucose), acidulants, flavorings, matcha powder, etc. that improve and improve the texture.
- Emulsifiers collagen, whole milk powder, thickening polysaccharides and agar, vitamins, eggshell calcium, calcium pantothenate, other minerals, royal jelly, propolis, honey, dietary fiber, agaric, chitin, chitosan, flavonoids, carotenoids , Lutein, herbal medicine, chondroitin, various amino acids, and the like that are used as components of normal health foods.
- a cosmetic composition having an effect of promoting blood circulation that can be applied to sensitive skin can be produced.
- the dosage form is not particularly limited, and can be in the form of solutions, pastes, gels, solids, powders, etc., and is solid in terms of further improving the stability of the compound of the present invention. Or powder form is preferred.
- the cosmetic composition of the present invention can be used for various cosmetics such as skin hair cosmetics, bathing agents, toiletries and the like. Specifically, oil, lotion, cream, emulsion, gel, shampoo, hair rinse, hair conditioner, enamel, foundation, lipstick, funny, pack, ointment, granule, capsule, perfume, powder, eau de cologne, toothpaste, soap, aerosol And cleansing foams.
- the cosmetic composition of the present invention is a pharmaceutical used for the prevention or improvement of various skin diseases such as a hair nourishing agent, an agent for improving skin aging prevention, a skin cosmetic solution, an agent for preventing and improving rough skin due to chilli and cracks, etc. It can also be used.
- the compounding amount lower limit is 0.0001% by mass.
- the above is preferable, 0.001% by mass or more is more preferable, 0.01% by mass or more is further preferable, 0.03% by mass or more is further more preferable, and 0.1% by mass or more is particularly preferable.
- the upper limit of the blending amount is preferably 10% by mass or less, more preferably 8% by mass or less, still more preferably 6% by mass or less, and further preferably 4% by mass or less from the viewpoint that it is sufficient to obtain the desired blood circulation improvement effect. Is more preferable, 2% by mass or less is particularly preferable, and 1% by mass or less is particularly preferable.
- a blood circulation promoter conventionally used in cosmetics or external preparations for skin may be used in combination as appropriate.
- Specific blood circulation promoters include chili powder, chili tincture, chili extract, capsaicin, homocapsaicin, homodihydrocapsaicin, nonanoic acid vanillylamide, ginger extract, capsicum extract, nicotinic acid, cucumber extract, ogi extract, Examples include citrus extract, koji extract, salamander extract, tanjin extract, chixetsu carrot extract, ginseng extract, ⁇ -aminobutyric acid (GABA) and the like.
- GABA ⁇ -aminobutyric acid
- various components that are generally used as cosmetics or external preparations for skin can be added to the cosmetic composition of the present invention as long as the effects of the present invention are not impaired.
- Such components include oily bases, surfactants, polymer substances, solvents, powder substances, antioxidants, anti-inflammatory agents, UV absorbers, whitening agents, cell activators, moisturizers, metal chelating agent dyes , Fragrances, transdermal absorption promoters and the like.
- oily base examples include hydrocarbons such as squalane, liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, microcrystalline wax, solid paraffin, dimethicone, femethicone, cyclomethicone, amodimethicone, polyether-modified silicone, etc.
- hydrocarbons such as squalane, liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, microcrystalline wax, solid paraffin, dimethicone, femethicone, cyclomethicone, amodimethicone, polyether-modified silicone, etc.
- Silicones jojoba oil, carnauba wax, owl, beeswax, geiwa, octyldodecyl oleate, isopropyl myristate, esters such as neopentyl glycol diisostearate, diisostearate malate, stearic acid, lauric acid, Fatty acids such as myristic acid, palmitic acid, isostearic acid, isopalmitic acid, behenic acid, oleic acid, acyl glutamic acid, acyl glycine, acyl alanine, acyl sarcosine Acylamino acids, higher alcohols such as behenyl alcohol, cetanol, oleyl alcohol, octadecyl alcohol, castor oil, coconut oil, hydrogenated coconut oil, coconut oil, wheat germ oil, isostearic acid triglyceride, isooctanoic acid trigly
- surfactant examples include sorbitan sesquioleate, sorbitan monooleate, sorbitan trioleate, sorbitan sesquistearate, sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan monostearate, polyoxyethylene stearate.
- Anionic surfactants such as acyl glutamate, acyl sarcosine, acyl glycine and acyl alanine, and quaternary alkyl ammonium salts.
- Thione surfactants, amphoteric surfactants such as alkylbetaines, emulsifier include solubilizing agents, and the like.
- the solvent examples include lower alcohols such as ethanol, polyhydric alcohols such as 1,2-pentanediol, 1,2-hexylene glycol and isoprene glycol, ethers and other organic solvents, water, and the like. it can.
- polymer substance examples include polyamino acids such as polyaspartic acid, ⁇ -polylysine and ⁇ -polyglutamic acid and derivatives thereof, natural polymer compounds such as collagen and elastin, and semisynthetic polymer compounds such as partially deacetylated chitin. And synthetic polymer compounds such as carboxymethylcellulose.
- polyamino acids such as polyaspartic acid, ⁇ -polylysine and ⁇ -polyglutamic acid and derivatives thereof
- natural polymer compounds such as collagen and elastin
- semisynthetic polymer compounds such as partially deacetylated chitin.
- synthetic polymer compounds such as carboxymethylcellulose.
- the powder substance examples include organic powders such as crystalline cellulose, cross-linked methylpolysiloxane, polyethylene powder, acrylic resin powder, talc, mica, sericite, magnesium carbonate, calcium carbonate, titanium dioxide, iron oxide, and bitumen. Powders that may be surface treated such as ultramarine, titanium mica, titanium sericite, silica, pearlescent pigments such as fine particle composite powder (hybrid fine powder), titanium dioxide coated mica, photochromic pigment, nylon powder And polymer powders such as N- ⁇ -lauroyllysine.
- organic powders such as crystalline cellulose, cross-linked methylpolysiloxane, polyethylene powder, acrylic resin powder, talc, mica, sericite, magnesium carbonate, calcium carbonate, titanium dioxide, iron oxide, and bitumen. Powders that may be surface treated such as ultramarine, titanium mica, titanium sericite, silica, pearlescent pigments such as fine particle composite powder (hybrid fine powder), titanium dioxide coated mica, photochromic pigment, nylon
- Examples of the dyes include legal tar dye first class, legal tar dye second class, legal tar dye third class, hair dye, natural dye, mineral dye, and the like.
- fragrances include animal fragrances such as musk, plant fragrances such as jasmine oil, synthetic fragrances such as ⁇ -amylcinnamaldehyde, and blended fragrances.
- transdermal absorption enhancer examples include urea, 2-pyrrolidone, 1-hexanol, 1-octanol, 1-decanol, 1-menthol, sodium lauryl sulfate, isopropyl myristate, n-hexyl acetate, oleic acid and the like. be able to.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (28 ml, 61.6 mmol) was added dropwise. After stirring for 20 minutes, the ice bath was removed, the temperature was raised to room temperature, and the mixture was further stirred for 16 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 2 4-Acetoxymethyl-2-methoxyphenol (6) Vanillyl alcohol (5) (10.3 g, 66.8 mmol) was dissolved in ethyl acetate (160 ml) at room temperature, Novozym 435 (2.00 g) was added, and the mixture was stirred at 65 ° C. for 69 hours. Subsequently, the reaction solution was returned to room temperature, the enzyme was filtered off, and the filtrate was concentrated under reduced pressure.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (0.75 ml, 1.65 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 3 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 3 D-cellobiose 2,2 ', 3,3', 4 ', 6,6'-heptaacetate (10) After ⁇ -D-cellobiose octaacetate (9) (2.01 g, 2.96 mmol) was dissolved in N, N-dimethylformamide (8 ml) at room temperature, the reaction solution was cooled in an ice bath and ammonium acetate ( 473.5 mg, 6.14 mmol) was added. The ice bath was removed and the mixture was warmed to room temperature and stirred for 17 hours, and then the reaction solution was heated to 60 ° C. and further stirred for 3.5 hours.
- the reaction mixture was cooled in an ice bath, water (45 ml) was slowly added, the ice bath was removed, and extraction was performed 4 times with ethyl acetate (40 ml) at room temperature.
- the combined organic layers were washed with water (40 ml) followed by 15% brine (40 ml).
- the organic layer was dried over magnesium sulfate, the solid was filtered off, and the filtrate was concentrated under reduced pressure.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (1.7 ml, 3.74 mmol) was added dropwise, and the mixture was warmed to room temperature and stirred for 6 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 4 4- (2,3,4,6-Tetra-O-acetyl- ⁇ -D-glucopyranosyl- (1 ⁇ 4) -2,3,6-tri-O-acetyl- ⁇ -D-glucopyranosyloxy ) -3-Methoxybenzyl acetate (13)
- D-cellobiose 2,2 ', 3,3', 4 ', 6,6'-heptaacetate (10) 500 mg, 0.785 mmol
- tetrahydrofuran 1.5 ml
- toluene 1.5 ml
- triphenylphosphine 333 mg, 1.27 mmol
- 4-acetoxymethyl-2-methoxyphenol (6) (244 mg, 1.24 mmol) were added.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (0.58 ml, 1.28 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 4 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- the reaction solution was stirred at 50 ° C. for 40 hours, then heated up and further stirred for 8 hours under heating and refluxing conditions. Subsequently, acetone (5 ml) was added, and the mixture was further refluxed for 16 hours. Subsequently, the reaction solution was returned to room temperature, methanol (20 ml) was added to the reaction solution, the enzyme was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 5 O- [4- (2,3,4,6-Tetra-O-acetyl- ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -decanoic acid ester (15) Under an argon atmosphere, 2,3,4,6-tetra-O-acetyl-D-glucopyranose (2) (5.72 g, 16.4 mmol) was dissolved in toluene (35 ml) and triphenylphosphine (4.28 g, 16.3 mmol) and vanillyl decanoate (3.16 g, 10.2 mmol) were added at room temperature.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (7.5 ml, 16.5 mmol) was added dropwise. After stirring for 5 minutes, the ice bath was removed and the mixture was warmed to room temperature and stirred for 22 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 6 O- [4- (2,3,4,6-Tetra-O-acetyl- ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -7-methyloctanoic acid ester (17) Under an argon atmosphere, 2,3,4,6-tetra-O-acetyl-D-glucopyranose (2) (5.62 g, 16.1 mmol) was dissolved in toluene (35 ml) and triphenylphosphine (4.28 g, 16.3 mmol) and nordihydrocapsiate (2.98 g, 10.1 mmol) were added at room temperature.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (7.5 ml, 16.5 mmol) was added dropwise. After stirring for 5 minutes, the ice bath was removed and the mixture was warmed to room temperature and stirred for 18 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 7 O- [4- (2,3,4,6-Tetra-O-acetyl- ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -8-methyl-6-nonenoic acid ester (19) Under an argon atmosphere, 2,3,4,6-tetra-O-acetyl-D-glucopyranose (2) (6.03 g, 17.3 mmol) was dissolved in toluene (35 ml), and triphenylphosphine (4.54 g, 17.3 mmol) was dissolved. mmol) and capsiate (3.27 g, 10.7 mmol) were added at room temperature.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (7.8 ml, 17.2 mmol) was added dropwise. After stirring for 5 minutes, the ice bath was removed and the mixture was warmed to room temperature and stirred for 17 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 8 O-8-Methylnonyl-2- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxyphenyl] acetic acid ester (22) Under an argon atmosphere, compound 21 (740 mg, 5.84 mmol) was dissolved in a mixed solvent of toluene (toluene, 5 ml) and tetrahydrofuran (THF, 5 ml), and triphenylphosphine (PPh 3 , 1.54 g, 5.86 mmol) and D-cellobiose 2,2 ′, 3,3 ′, 4 ′, 6,6′-heptaacetate (10) (2.32 g, 3.65 mmol) was added at room temperature.
- toluene toluene, 5 ml
- THF tetrahydrofuran
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (DEAD, 2.65 ml, 5.84 mmol) was added dropwise. After stirring for 10 minutes, the ice bath was removed, the temperature was raised to room temperature, and the mixture was further stirred for 22 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 9 O- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxyphenethyl] -8-methylnonanoic acid ester (23) Under an argon atmosphere, compound 23-1 (755 mg, 2.34 mmol) was dissolved in a mixed solvent of toluene (2.5 ml) and THF (2.5 ml), and triphenylphosphine (966 mg, 3.68 mmol) and D-cellobiose 2, 2 ′, 3,3 ′, 4 ′, 6,6′-heptaacetate (10) (2.30 g, 3.62 mmol) was added at room temperature.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (1.70 ml, 3.74 mmol) was added dropwise. After stirring for 10 minutes, the ice bath was removed, the temperature was raised to room temperature, and the mixture was further stirred for 14 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 10 O- [2- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -8-methylnonanoic acid ester (24) Under an argon atmosphere, compound 24-1 (698 mg, 2.26 mmol) was dissolved in a mixed solvent of toluene (3.5 ml) and THF (3.5 ml), and triphenylphosphine (829 mg, 3.16 mmol) and D-cellobiose 2, 2 ′, 3,3 ′, 4 ′, 6,6′-heptaacetate (10) (2.31 g, 3.62 mmol) was added at room temperature.
- reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (1.43 ml, 3.15 mmol) was added dropwise. After stirring for 10 minutes, the ice bath was removed, the temperature was raised to room temperature, and the mixture was further stirred for 14 hours. The reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- a mixture of ⁇ -form and ⁇ -form of Compound 24-2 (ratio of ⁇ -form: ⁇ -form is about 3: 2; 565 mg, 0.609 mmol) is dissolved in methanol (10 ml) at room temperature and ice bath is used. Used to cool the reaction. After adding triethylamine (10 ml, 73.2 mmol) and stirring for 10 minutes, the ice bath was removed and the mixture was heated to reflux for 42 hours.
- Example 11 O- [4- ( ⁇ -D-maltotriosyloxy) -3-methoxybenzyl] -8-methylnonanoic acid ester (25)
- D-maltotriose (25-1) (5.0 g, 9.91 mmol) was dissolved in pyridine (pyridine, 30 ml) at room temperature, and the reaction solution was cooled using an ice bath.
- Acetic anhydride (Ac 2 O, 15 ml, 149 mmol) was slowly added using a dropping funnel and stirred for 10 minutes, then the ice bath was removed and the mixture was warmed to room temperature and stirred for 20 hours.
- the reaction vessel was cooled in an ice bath and water (50 ml) was slowly added, followed by extraction five times with ethyl acetate (50 ml) at room temperature. Then, 3N HCl (50 ml) was added to the combined organic layers and washed twice, followed by water (50 ml), aqueous sodium bicarbonate (50 ml), and 15% brine (30 ml) in this order. The organic layer was washed once. The organic layer was dried over anhydrous magnesium sulfate, filtered, and the filtrate was concentrated under reduced pressure. Three spots were confirmed by thin layer chromatography (TLC), and MS analysis values lacking one acetyl group (Ac group) were obtained, and acetylation was performed again.
- TLC thin layer chromatography
- the obtained crude product was dissolved in pyridine (25 ml) at room temperature, and the reaction solution was cooled using an ice bath.
- N, N-dimethyl-4-aminopyridine (DMAP, 229 mg, 1.88 mmol) and acetic anhydride (5 ml, 49.5 mmol) were slowly added using a dropping funnel.
- the ice bath was removed, the temperature was raised to room temperature, and the mixture was heated to reflux for 12 hours.
- the reaction vessel was cooled in an ice bath and water (50 ml) was slowly added, followed by extraction five times with ethyl acetate (50 ml) at room temperature.
- This compound 25-2 (4.0 g, 4.32 mmol) was dissolved in N, N-dimethylformamide (8 ml) at room temperature, and then cooled using an ice bath. After adding ammonium acetate (793 mg, 10.8 mmol) to this solution, the ice bath was removed, and the mixture was warmed to room temperature and stirred for 21 hours. The reaction vessel was cooled in an ice bath, water (50 ml) was slowly added, the ice bath was removed, and extraction was performed 5 times with ethyl acetate (50 ml) at room temperature.
- reaction solution was concentrated under reduced pressure, insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- O triphenylphosphine oxide
- compound 25-4 (1.02 g, 0.925 mmol) was dissolved in methanol (7 ml), and sodium methoxide 5 M methanol solution (NaOMe, 100 ⁇ l, 0.500 mmol) was added in an ice bath. After removing the ice bath and raising the temperature to room temperature and stirring for 1.5 hours, the reaction solution was neutralized with a strongly acidic cation exchange resin (Amberlite IR120B H AG).
- Example 12 O- [4- ( ⁇ -D-maltotriosyloxy) -3-methoxybenzyl] -n-hexanoic acid ester (26)
- Compound 25-5 250 mg, 0.390 mmol
- acetone 8 ml
- n-hexanoic acid 456 mg, 3.92 mmol
- ice The reaction was cooled using a bath.
- Novozym 435 50 mg
- molecular sieve 3A 256 mg
- reaction solution was returned to room temperature, and the solid was separated by filtration. Since a precipitate was formed in the filtrate, the solid was separated by filtration, dissolved in methanol, and concentrated under reduced pressure.
- compound 27-2 (210 mg, 0.731 mmol) was dissolved in a mixed solvent of toluene (4 ml) and THF (3 ml) under an argon atmosphere, and triphenylphosphine (288 mg, 1.10 mmol) and D-cellobiose were dissolved. 2,2 ′, 3,3 ′, 4 ′, 6,6′-heptaacetate (10) (694 mg, 1.10 mmol) was added at room temperature. Subsequently, the reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (0.5 ml, 1.10 mmol) was added dropwise.
- This compound 28-1 (407 mg, 0.526 mmol) was dissolved in methanol (7 ml), and sodium methoxide 5 M methanol solution (100 ⁇ l, 0.5 mmol) was added in an ice bath. After removing the ice bath and raising the temperature to room temperature and stirring for 1 hour, the reaction solution was neutralized with a strongly acidic cation exchange resin (Amberlite IR120B H AG). The resin was filtered off, and the filtrate was concentrated under reduced pressure. Since the peak of the acetyl group was confirmed by 1 H-NMR, the obtained compound was dissolved again in MeOH (7 ml) and sodium methoxide 5 M methanol in an ice bath. Solution (75 ⁇ l, 0.375 mmol) was added.
- a strongly acidic cation exchange resin Amberlite IR120B H AG
- Example 13 O- [4- ( ⁇ -D-Glucopyranosyloxy) -3-methoxybenzyl] -3-cyclohexylpropionate (29) Under an argon atmosphere, compound 29-1 (1.01 g, 3.46 mmol) was dissolved in toluene (13 ml), and triphenylphosphine (1.49 g, 5.68 mmol) and compound 2 (1.93 g, 5.54 mmol) were added at room temperature. It was. Subsequently, the reaction solution was cooled using an ice bath, and diethyl azodicarboxylate 2.2 M toluene solution (2.5 ml, 5.50 mmol) was added dropwise.
- Example 14 O-8-Methylnonyl-3- [4- ( ⁇ -D-glucopyranosyloxy) -3-methoxyphenyl] propionic acid ester (30)
- Compound 30-1 (1.06 g, 3.16 mmol) was used in the same manner as in the synthesis of Compound 29-2, and a mixture of ⁇ and ⁇ forms of Compound 30-2 (results of 1 H-NMR analysis, Body: ⁇ ratio of about 9: 1; 1.71 g, 2.56 mmol, yield 81%) was obtained as a colorless oily substance.
- Example 15 O- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -n-tridecanoic acid ester (31) Using compound 31-1 (306 mg, 0.860 mmol), the same operation as the synthesis of compound 22-1 was performed, and a mixture of ⁇ -form and ⁇ -form of compound 31-2 (from the 1 H-NMR analysis result, ⁇ -form : ⁇ ratio was difficult to obtain; 723 mg, 0.75 mmol, yield 87%) was obtained as a colorless solid.
- Example 16 O-8-Methylnonyl-3- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxyphenyl] propionic acid ester (32)
- Compound 32-1 (305 mg, 0.910 mmol) was used in the same manner as in the synthesis of Compound 22-1, and a mixture of ⁇ -form and ⁇ -form of Compound 32-2 (analysis result of 1 H-NMR, ⁇ Body: ⁇ ratio was about 4: 1; 448 mg, 0.47 mmol, yield 52%) as a colorless solid.
- Example 17 O- [3- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -4-methoxybenzyl] -8-methylnonanoic acid ester (33)
- Compound 33-2 (2.02 g, 11.8 mmol) and compound 33-l (1.80 g, 11.8 mmol) were mixed at room temperature, then Novozym 435 (90 mg) was added, the temperature was raised to 50 ° C, and a pump was used. The mixture was stirred for 21 hours under reduced pressure.
- the reaction solution was returned to room temperature, hexane (9 ml) was added to the reaction solution, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- Example 18 O- [3- ( ⁇ -D-Glucopyranosyloxy) -4-methoxybenzyl] -8-methylnonanoic acid ester (34)
- Compound 33-3 (715 mg, 2.32 mmol) was used to perform a combination the same procedure as compound 29-2, a mixture of beta body and ⁇ body of Compound 34-1 (1 H-NMR analysis results, beta Body: ⁇ ratio of about 4: 1; 928 mg, 1.45 mmol, 63% yield) was obtained as a colorless solid.
- Example 19 O- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -8-methyl-6-nonenoic acid ester (35)
- Compound 35-1 (346 mg, 1.13 mmol) was used in the same manner as in the synthesis of Compound 22-1 to obtain a mixture of ⁇ and ⁇ forms of Compound 35-2 (analysis result of 1 H-NMR, ⁇ form) : ⁇ ratio was about 9: 1; 191 mg, 0.21 mmol, yield 19%) as a colorless solid.
- Example 20 O- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -7-methyloctanoic acid ester (36)
- Compound 36-1 (544 mg, 1.84 mmol) was used in the same manner as in the synthesis of Compound 22-1, and a mixture of ⁇ -form and ⁇ -form of Compound 36-2 (analysis result of 1 H-NMR, ⁇ Body: ⁇ ratio was about 4: 1; 403 mg, 0.44 mmol, 24% yield) was obtained as a colorless solid.
- Example 21 O- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl] -n-propionic acid ester (38) After mixing n-propionic acid (37) (1.73 g, 23.4 mmol) and vanillyl alcohol (5) (3.50 g, 22.7 mmol) at room temperature, Novozym 435 (350 mg) and acetone (7 ml) were added. And heated to reflux for 14 hours. Since the remaining raw materials were confirmed by TLC, acetone (7 ml) and Novozym 435 (349 mg) were added again, and the mixture was further heated and stirred for 48 hours.
- compound 38-1 (621 mg, 2.85 mmol) was used in the same manner as the synthesis of compound 22-1, and a mixture of ⁇ -form and ⁇ -form of compound 38-2 (analysis of 1 H-NMR) From the results, it was difficult to determine the ratio of ⁇ -form: ⁇ -form; 350 mg, 0.42 mmol, theoretical yield 22%) was obtained as a colorless solid.
- Novozym 435 (45.8 mg) and anhydrous magnesium sulfate (224 mg) were added, and after stirring for 10 minutes, the ice bath was removed and the mixture was heated to reflux for 16 hours. Since acetone evaporated in the middle of the reaction, acetone was appropriately added to replenish. Subsequently, the reaction solution was returned to room temperature, and the solid was separated by filtration.
- Example 23 O- [4- ( ⁇ -D-maltotriosyloxy) -3-methoxyphenethyl] -8-methylnonanoic acid ester (40)
- Compound 40-1 (5.00 g, 29.7 mmol) was dissolved in ethyl acetate (40 ml) at room temperature, and the reaction solution was cooled using an ice bath.
- Novozym 435 (1.00 g) was added, and after stirring for 10 minutes, the ice bath was removed and the mixture was heated to reflux for 18 hours. Subsequently, the reaction solution was returned to room temperature, and the solid was separated by filtration.
- Example 24 O- [4- ( ⁇ -D-maltotriosyloxy) -3-methoxyphenethyl] -n-hexanoic acid ester (41)
- Compound 40-4 (118 mg, 0.169 mmol) as a mixture was dissolved in a mixed solvent of acetone (5 ml) and dioxane (3 ml) at room temperature, and n-hexanoic acid (196 mg, 1.69 mmol) was added. Thereafter, the reaction solution was cooled using an ice bath.
- Novozym 435 (36.6 mg) and anhydrous magnesium sulfate (118 mg) were added and stirred for 10 minutes, then the ice bath was removed and the mixture was heated and stirred at 50 ° C. for 17 hours.
- Example 25 O- [4- ( ⁇ -D-maltosyloxy) -3-methoxybenzyl] -n-hexanoic acid ester (42) After dissolving D-maltose (42-1) (10.1 g, 28.2 mmol) in pyridine (40 ml) at room temperature, the reaction mixture was cooled using an ice bath and acetic anhydride (19.6 ml, 207 mmol) was added. In addition, the reaction solution was warmed to room temperature and stirred for 20.5 hours.
- the reaction solution was cooled in an ice bath, pyridine (24 ml) and acetic anhydride (12 ml, 127 mmol) were added, and the ice bath was removed. Stir at room temperature for 3 hours.
- the reaction mixture was cooled using an ice bath, water (100 ml) was slowly added, the ice bath was removed, and extraction was performed 5 times with ethyl acetate (100 ml) at room temperature.
- the combined organic layers were washed twice with 3N HCl (100 ml), followed by water (100 ml), saturated aqueous sodium bicarbonate (100 ml), and 15% brine (100 ml).
- reaction solution was cooled using an ice bath, acetic anhydride (10.5 ml, 111 mmol) and N, N-dimethyl-4-aminopyridine (266 mg). , 2.17 mmol), and the reaction was warmed to room temperature and stirred for 4 hours.
- the reaction mixture was cooled using an ice bath, water (100 ml) was slowly added, the ice bath was removed, and extraction was performed 5 times with ethyl acetate (100 ml) at room temperature.
- compound 42-3 (1.01 g, 1.58 mmol) was dissolved in a mixed solvent of tetrahydrofuran (9.5 ml) and toluene (9.5 ml) at room temperature under an argon atmosphere, and triphenylphosphine (659 mg, 2.51 mmol) and Compound 6 (494 mg, 2.51 mmol) was added.
- the reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (1.17 ml, 2.57 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 6 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- beta body and alpha mixtures body of Compound 42-4 (1 H-NMR analysis results, beta body: alpha body ratio of about 15: 1) was dissolved in methanol (6 ml) at room temperature, ice The reaction was cooled using a bath. After adding sodium methoxide 0.5 M methanol solution (450 ⁇ l, 0.23 mmol), the ice bath was removed and the mixture was warmed to room temperature and stirred for 1 hour.
- reaction solution was neutralized with a strong acidic cation exchange resin (Amberlite IR120B H AG), the resin was filtered off, and the filtrate was concentrated under reduced pressure to obtain a mixture of ⁇ -form and ⁇ -form of Compound 42-5 ( 1 H- From the NMR analysis results, it was difficult to determine the ratio of ⁇ -form: ⁇ -form; 345 mg, 0.721 mmol, 98% yield) was obtained as a colorless solid.
- a strong acidic cation exchange resin Amberlite IR120B H AG
- a mixture of ⁇ form and ⁇ form of compound 42-5 (it is difficult to determine the ratio of ⁇ form: ⁇ form; 110 mg, 0.230 mmol) is suspended in acetone (4 ml) at room temperature, and compound n -Hexanoic acid (317 ⁇ l, 2.52 mmol) was mixed at room temperature, and then Novozym 435 (55.8 mg) and molecular sieve 3A (110 mg) were added. Acetone (5 ml) was further added, and the reaction solution was stirred for 16 hours under heating under reflux.
- Example 26 O- [4- ( ⁇ -D-maltosyloxy) -3-methoxybenzyl] -8-methylnonanoic acid ester (43)
- Compound 42-5 99.0 mg, 0.207 mmol
- 8-MNA 364 mg, 2.11 mmol
- Novozym 435 52.5 mg
- Molecular sieve 3A 102 mg
- reaction solution was returned to room temperature, methanol (10 ml) was added to the reaction solution, the enzyme and molecular sieve were separated by filtration, and the filtrate was concentrated under reduced pressure.
- Example 27 O-3- [4- ( ⁇ -D-glucopyranosyl- (1 ⁇ 4) - ⁇ -D-glucopyranosyloxy) -3-methoxyphenyl] -2-propenyl-8-methylnonanoic acid ester (44)
- Compound 44-1 (615 mg, 3.41 mmol) was dissolved in ethyl acetate (12 ml) at room temperature, Novozym 435 (185 mg) was added, and the mixture was heated to reflux for 19 hours. Since residual raw materials were confirmed by thin layer chromatography (TLC), Novozym 435 (90.3 mg) and ethyl acetate (10 ml) were added, and the mixture was further heated to reflux for 6 hours.
- TLC thin layer chromatography
- D-cellobiose 2,2 ', 3,3', 4 ', 6,6'-heptaacetate (10) (1.31 g, 2.05 mmol) was added to tetrahydrofuran (5.5 ml) and toluene at room temperature under an argon atmosphere. (5.5 ml) was dissolved in a mixed solvent, and triphenylphosphine (544 mg, 2.07 mmol) and compound 44-2 (351 mg, 1.58 mmol) were added.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (0.93 ml, 2.05 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 6 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- a mixture of ⁇ -form and ⁇ -form of Compound 44-3 (it is difficult to determine the ratio of ⁇ -form: ⁇ -form; 101 mg, 0.120 mmol) is dissolved in methanol (1 ml) at room temperature, and an ice bath is used. Used to cool the reaction. After adding sodium methoxide 0.5 M methanol solution (70 ⁇ l, 0.035 mmol), the ice bath was removed and the mixture was warmed to room temperature and stirred for 30 minutes.
- the ⁇ -form (13.0 mg, 0.0210 mmol, yield 18%) of -D-glucopyranosyloxy) -3-methoxyphenyl] -2-propenyl-8-methylnonanoic acid ester (44) was obtained as a colorless solid.
- Example 28 O- [4- ( ⁇ -L-rhamnosyloxy) -3-methoxybenzyl] -n-hexanoic acid ester (45) After dissolving L-rhamnose monohydrate (45-1) (5.00 g, 27.5 mmol) in pyridine (31 ml) at room temperature, the reaction solution was cooled using an ice bath, and acetic anhydride (15.5 ml, 164 mmol) was added and the reaction was warmed to room temperature and stirred for 13 hours. The reaction solution was cooled using an ice bath, water (50 ml) was slowly added, the ice bath was removed, and extraction was performed three times with ethyl acetate (50 ml) at room temperature.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (0.63 ml, 1.39 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 3 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- a mixture of ⁇ -form and ⁇ -form of Compound 45-4 (ratio of ⁇ -form: ⁇ -form is about 11: 1; 365 mg, 0.779 mmol) is dissolved in methanol (3 ml) at room temperature and ice bath is used. Used to cool the reaction. After adding sodium methoxide 0.5 M methanol solution (467 ⁇ l, 0.23 mmol), the ice bath was removed and the mixture was warmed to room temperature and stirred for 2 hours. The reaction solution was cooled using an ice bath, sodium methoxide 0.5 M methanol solution (312 ⁇ l, 0.16 mmol) was added, the ice bath was removed, and the mixture was warmed to room temperature and stirred for 30 minutes.
- reaction solution was neutralized with a strongly acidic cation exchange resin (Amberlite IR120B H AG), the resin was filtered off, and the filtrate was concentrated under reduced pressure to obtain a mixture of ⁇ -form and ⁇ -form of compound 45-5 ( 1 H-
- a strongly acidic cation exchange resin Amberlite IR120B H AG
- the resin was filtered off, and the filtrate was concentrated under reduced pressure to obtain a mixture of ⁇ -form and ⁇ -form of compound 45-5 ( 1 H-
- an ⁇ -form: ⁇ -form ratio of about 11: 1; 230 mg, 0.767 mmol, yield 98%) was obtained as a colorless solid.
- Example 29 O- [4- ( ⁇ -L-rhamnosyloxy) -3-methoxybenzyl] -8-methylnonanoic acid ester (46)
- Compound 45-5 (100 mg, 0.334 mmol) was suspended in acetone (5 ml) at room temperature, 8-MNA (572 mg, 3.32 mmol) was added at room temperature, then Novozym 435 (50.4 mg) and Molecular sieve 3A (99.5 mg) was added.
- Acetone (5 ml) was further added, and the reaction solution was stirred for 16 hours under heating under reflux.
- reaction solution was returned to room temperature, methanol (10 ml) was added, Novozym 435 and molecular sieve were separated by filtration, and the filtrate was concentrated under reduced pressure. Hexane (20 ml) was added to the obtained oily substance at ⁇ 78 ° C., and then the mixture was warmed to room temperature and the solid was collected by filtration.
- reaction solution was cooled using an ice bath, diethyl azodicarboxylate 2.2 M toluene solution (0.21 ml, 0.462 mmol) was added dropwise, the ice bath was removed, the temperature was raised to room temperature, and the mixture was stirred for 3 hours.
- the reaction solution was concentrated under reduced pressure, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure.
- the medium was buffered (146 mM NaCl, 5 mM KCl, 1 mM MgSO 4 , 5.5 mM Glucose, 20 mM HEPES, 1.5 mM CaCl 2 , 0.2% BSA, dihydrocapsiate (DCT), dihydrocapsiate glycosides and their structural analogs 4, 12, 47, 27, 20, 18 which were substituted with pH 7.4) and prepared at a constant concentration with dimethyl sulfoxide (DMSO) 16, 30, 32, 32-3, 34, 35, 36, 24-2, 33, 14, 22, 23, 24 were added. After treatment at 37 ° C.
- DMSO dimethyl sulfoxide
- the GLP-1 concentration in the control group (0.1% DMSO treatment group) was defined as 1, and the activity intensity of each compound was expressed.
- the GLP-1 concentration in the supernatant increased in the compound 4 and 12 treatment groups, which are dihydrocapsiate glycosides, as compared to the DMSO treatment group, while the DCT treatment group showed similar changes. ( Figures 1 and 2). Although it is reported that GLP-1 is secreted and induced by sugar, the GLP-1 concentration in the compound 4 and 12 treatment groups is significantly higher than that in the equimolar glucose and cellobiose treatment groups. It was suggested that compounds 4 and 12 themselves have a GLP-1 secretion-inducing action rather than a sugar produced by decomposition of 12 (FIG. 2).
- glycoside DCT glycoside dihydrocapsiate
- Test Example 2 The glycoside dihydrocapsiate (abbreviated as glycoside DCT) used in Test Example 2 was O- [4- ( ⁇ -D-glucopyranosyloxy) -3-methoxybenzyl]-produced in Example 1. 8-methylnonanoic acid ester (4) (result of analysis of 1 H-NMR, ratio of ⁇ -form: ⁇ -form is about 8: 1).
- Glycoside DCT was added to the diet of AIN-93 composition containing 30% lard at a blending ratio of 0.459% (w / w) (abbreviated as glycoside DCT diet or glycoside diet) and fed to mice.
- mice Male C57BL / 6J mice (Charles River) were acclimatized for 2 weeks and divided into 4 groups so that the average weight would be the same. Ingested ad libitum for days. Body weight and food intake were measured every 3-4 days.
- mice fed a high-fat diet with glycoside DCT total caloric intake during the study period compared to mice fed a normal diet, a high-fat diet alone, or a high-fat diet with DCT was significantly reduced (Table 3).
- a novel compound ie, capsinoid
- a solid state that exhibits no significant pungent taste even at high concentrations, has excellent stability in various usage environments, and exhibits a significant GLP-1 secretion promoting effect.
- Class of glycosides It is very significant that a pharmaceutical composition, a food composition and a cosmetic composition containing the compound can be provided.
- the compound represented by the formula (XV-1) or (XVII-1) is a novel compound and is useful as an intermediate for producing the glycoside compound of the present invention.
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Abstract
Description
特許文献1(特許第3506466号公報)には、カプサイシン配糖体等が開示されている。しかしながら、当該化合物によって、カプサイシンの辛味を軽減はできていても、高濃度の配合では必ずしも完全に辛味を消失させることはできなかった。
すなわち、本発明は以下の態様を含む。
〔1〕 式(I'’)で表されることを特徴とする、化合物。
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y1はメチレン基、エチレン基又は1~3個の二重結合を含む炭素数2~15のアルケニレン基を示し(ここで、二重結合はシス又はトランスのいずれでもよい。)、
R16及びR17は、それぞれ独立して、水素原子、メチル基又はエチル基を示し、又はR16及びR17は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。)
〔2〕 式(I''-b)で表されることを特徴とする、〔1〕記載の化合物。
R21は水素原子、R22はメトキシ基、R23はG-O-基を示すか、又は
R21はG-O-基、R22はメトキシ基、R23は水素原子を示すか、又は
R21は水素原子、R22はG-O-基、R23はメトキシ基を示し(ここで、Gは糖残基を示す。)、
X3はメチレン基、エチレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y2はメチレン基、エチレン基又はビニレン基を示し、
R24及びR25は、それぞれ独立して、水素原子又はメチル基を示し、又はR24及びR25は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。)
〔3〕 式(I')で表されることを特徴とする、〔1〕記載の化合物。
Rは水素原子又はメチル基を示し、
Gは糖残基を示し、
nは3~5の整数を示す。)
〔4〕 式(I-1)又は(I-2)で表されることを特徴とする、〔3〕記載の化合物。
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
〔5〕 式(I-a)で表されることを特徴とする、〔4〕記載の化合物。
〔11〕 〔1〕~〔9〕のいずれか1項に記載の化合物を含有することを特徴とする、医薬品組成物。
〔12〕 〔1〕~〔9〕のいずれか1項に記載の化合物を含有することを特徴とする、食品組成物。
〔13〕 〔1〕~〔9〕のいずれか1項に記載の化合物を含有することを特徴とする、化粧料組成物。
〔14〕 式(XIV)
その他の記号は〔1〕で定義した通りである。)で表される化合物をグリコシド化する工程を含有することを特徴とする、〔1〕記載の化合物の製造方法。
〔15〕 式(II)
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)で表される化合物をグリコシド化する工程を含有することを特徴とする、〔3〕記載の化合物の製造方法。
〔16〕 式(XV)
〔17〕 式(XVII)
〔18〕 式(III)
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)で表される化合物又はその塩を反応させる工程を含有することを特徴とする、〔3〕記載の化合物の製造方法。
〔19〕 下記(a工程)及び(b工程)を含有することを特徴とする、〔4〕記載の化合物の製造方法。
(a工程)式(II)
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)で表される化合物と、式(V)又は(VI)
R20は水素原子又は水酸基の保護基を示す。)で表される化合物を反応させて、式(VII)又は(VIII)で表される化合物を得る工程、
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
(b工程)式(VII)又は(VIII)で表される化合物の水酸基の保護基を脱保護する工程。
〔20〕 (b工程)の脱保護をリパーゼの存在下で行うことを特徴とする、〔19〕記載の製造方法。
〔21〕 式(XII)又は(XIII)
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
で表される化合物又はその塩を反応させる工程を含有することを特徴とする、〔4〕記載の化合物の製造方法。
〔22〕 下記(a工程)、(b工程)及び(c工程)を含有することを特徴とする、〔4〕記載の化合物の製造方法。
(a工程)式(IX)で表される化合物と、
式(V)又は(VI)で表される化合物を反応させて、式(X)又は(XI)で表される化合物を得る工程、
R20は水素原子又は水酸基の保護基を示す。)
(b工程)式(X)又は(XI)で表される化合物の水酸基の保護基を脱保護して、式(XII)又は(XIII)で表される化合物を得る工程、
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
〔23〕 〔1〕~〔9〕のいずれか1項に記載の化合物を哺乳動物に有効量投与することを特徴とする、該哺乳動物におけるGLP-1分泌促進方法。
〔24〕 GLP-1分泌促進剤を製造するための〔1〕~〔9〕のいずれか1項に記載の化合物の使用。
〔25〕 式(XV-1)で表されることを特徴とする、化合物。
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示す。
但し、次の化合物を除く。
(1)R13がG-O-基を、Gがグルコシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(2)R13がG-O-基を、Gがグルコシル基を、R12が水酸基を、R11、R14及びR15が水素原子を、X1がメチレン基を示す化合物、
(3)R13がG-O-基を、Gがグルコシル基を、R12がメトキシ基を、R11、R14及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(4)R13がG-O-基を、Gがグルコシル基を、R12及びR14がメトキシ基を、R11及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(5)R13がG-O-基を、Gがマルトシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基を示す化合物、
(6)R11がG-O-基を、Gがグルコシル基又はマルトシル基を、R12、R13、R14及びR15が水素原子を、X1がメチレン基を示す化合物、及び
(7)R11がG-O-基を、Gがグルコシル基を、R12が水酸基又はメトキシ基を、R13、R14及びR15が水素原子を、X1がメチレン基を示す化合物。)
〔26〕 式(XVII-1)で表されることを特徴とする、化合物又はその塩。
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示し、
R19は水素原子又はC1-6アルキル基を示す。
但し、次の化合物を除く。
(1)R13がG-O-基を、Gがグルコシル基又はマンノシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基を、R19が水素原子を示す化合物、
(2)R13がG-O-基を、Gがグルコシル基を、R11が水酸基を、R12、R14及びR15が水素原子を、X1がメチレン基を、R19が水素原子を示す化合物、
(3)R13がG-O-基を、Gがグルコシル基を、R12がメトキシ基を、R11、R14及びR15が水素原子を、X1がメチレン基またはエチレン基を、R19が水素原子を示す化合物、及び
(4)R13がG-O-基を、Gがグルコシル基を、R11、R12、R14及びR15が水素原子を、X1がエチレン基を、R19が水素原子を示す化合物。)
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル、
O-8-メチルノニル-2-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]酢酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル、
O-[2-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-3-シクロヘキシルプロピオン酸エステル、
O-8-メチルノニル-3-[4-(β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-トリデカン酸エステル、
O-8-メチルノニル-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル、
O-[3-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル、
O-[3-(β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-プロピオン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル、
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル、
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシフェネチル]-n-ヘキサン酸エステル、
O-[4-(β-D-マルトシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル、
O-[4-(β-D-マルトシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]-2-プロペニル-8-メチルノナン酸エステル、
O-[4-(α-L-ラムノシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル、及び
O-[4-(α-L-ラムノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステルからなる群より選択される少なくとも1つの化合物。
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル、
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル、
O-8-メチルノニル-2-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]酢酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル、
O-[2-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル、
O-8-メチルノニル-3-[4-(β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル、
O-8-メチルノニル-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル、
O-[3-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル、
O-[3-(β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル、
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル、及び
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステルからなる群より選択される少なくとも1つの化合物。
〔30〕 O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル。
〔31〕 O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル。
〔32〕 O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル。
〔33〕 O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル。
〔34〕 O-8-メチルノニル-2-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]酢酸エステル。
〔35〕 O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル。
〔36〕 O-[2-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル。
〔37〕 O-8-メチルノニル-3-[4-(β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル。
〔38〕 O-8-メチルノニル-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル。
〔39〕 O-[3-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル。
〔40〕 O-[3-(β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル。
〔41〕 O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル。
〔42〕 O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル。
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y1はメチレン基、エチレン基又は1~3個の二重結合を含む炭素数2~15のアルケニレン基を示し(ここで、二重結合はシス又はトランスのいずれでもよい。)、
R16及びR17は、それぞれ独立して、水素原子、メチル基又はエチル基を示し、又はR16及びR17は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。)
R11は水素原子、R12はメトキシ基、R13はG-O-基を示すか、又は
R11はG-O-基、R12はメトキシ基、R13は水素原子を示すか、又は
R11は水素原子、R12はG-O-基、R13はメトキシ基を示す(ここで、Gは糖残基を示す。)。
R14及びR15は、好ましくは、水素原子である。
X1は、好ましくは、メチレン基、エチレン基又は-CH=CH-CH2-であり、より好ましくは、メチレン基又はエチレン基である。
p及びqは、好ましくは、それぞれp+q=2~8の関係を満たす0から7の整数である。
Y1は、好ましくは、メチレン基、エチレン基又はビニレン基であり、より好ましくは、エチレン基又はビニレン基である。
R16及びR17は、好ましくは、それぞれ独立して、水素原子又はメチル基を示し、又はR16及びR17は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。R16及びR17は、より好ましくは、それぞれ独立して、水素原子又はメチル基を示す。
R21は水素原子、R22はメトキシ基、R23はG-O-基を示すか、又は
R21はG-O-基、R22はメトキシ基、R23は水素原子を示すか、又は
R21は水素原子、R22はG-O-基、R23はメトキシ基を示し(ここで、Gは糖残基を示す。)、
X3はメチレン基、エチレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y2はメチレン基、エチレン基又はビニレン基を示し、
R24及びR25は、それぞれ独立して、水素原子又はメチル基を示し、又はR24及びR25は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。)
R11、R12、R13、R14及びR15は、その少なくとも1つがG-O-基である(ここで、Gは糖残基を示す。)以外は、それぞれ独立して、水素原子、水酸基、C1-6アルキル基、C1-6アルコキシ基、C1-6アルキル-カルボニルオキシ基又はG-O-基を示し、
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基又はビニレン基を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=2~8の関係を満たす0から7の整数を示し、
Y1はエチレン基又は1~3個の二重結合を含む炭素数2~15のアルケニレン基を示し(ここで、二重結合はシス又はトランスのいずれでもよい。)、
R16及びR17は、それぞれ独立して、水素原子、メチル基又はエチル基を示す、化合物。
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
〔製造方法1〕
R11、R12、R13、R14及びR15は、その少なくとも1つがG-O-基である(ここで、Gは糖残基を示す)以外は、それぞれ独立して、水素原子、水酸基、C1-6アルキル基、C1-6アルコキシ基、C1-6アルキル-カルボニルオキシ基又はG-O-基を示し、
その他の記号は前記で定義した通りである。)
原料化合物である化合物(XV)は、例えば、後記の製造方法7の工程3及び4と同様の方法で製造することができる。
原料化合物である化合物(XVII)は、例えば、後記の製造方法7の工程3及び4と同様の方法で製造することができる。
原料化合物である化合物(II)としては、カプシエイト、ジヒドロカプシエイト、ノルジヒドロカプシエイト、バニリル デカノエイト等のカプシノイド類、WO2007/111276、WO2008/001912に記載の方法で製造した化合物等を使用することができる。
原料化合物である化合物(III)は、例えば、後記の製造方法7の工程3及び4と同様の方法で製造することができる。
化合物(VII)又は(VIII)は、化合物(II)と、化合物(V)又は(VI)を反応させることにより製造することができる。
R20が水素原子の場合、化合物(VII)又は(VIII)は、化合物(II)と、化合物(V)又は(VI)を脱水縮合反応に付すことにより製造することができる。
脱水縮合反応の条件は、反応が進行する限り特に限定されず、好ましくは、光延反応により行うことができる。
脱水縮合反応は、アゾジカルボン酸エステル及びホスフィンの存在下、化合物(II)と、化合物(V)又は(VI)を反応させることにより行うことができる。
アゾジカルボン酸エステルとしては、アゾジカルボン酸ジエチル、アゾジカルボン酸ジメチル、アゾジカルボン酸ジイソプロピル、アゾジカルボン酸ジ-tert-ブチル、アゾジカルボン酸ジベンジル、アゾジカルボン酸ビス(2,2,2-トリクロロエチル)、1,1’-(アゾジカルボニル)ジピペリジン、1,1’-アゾビス(N,N-ジメチルホルムアミド)等が挙げられる。
ホスフィンとしては、トリフェニルホスフィン、トリブチルホスフィン、トリ-tert-ブチルホスフィン、トリヘキシルホスフィン、トリオクチルホスフィン、トリシクロヘキシルホスフィン、フェノキシジフェニルホスフィン、イソプロピルジフェニルホスフィン、ジフェニル-2-ピリジルホスフィン、4-(ジメチルアミノ)フェニルジフェニルホスフィン、ジエチルフェニルホスフィン、ジシクロヘキシルフェニルホスフィン等が挙げられる。
化合物(V)又は(VI)の使用量は、化合物(II)1モルに対して、0.5~3モル、好ましくは、1~2モルである。アゾジカルボン酸エステルの使用量は、化合物(II)1モルに対して、0.5~3モル、好ましくは、1~2モルである。ホスフィンの使用量は、化合物(II)1モルに対して、0.5~3モル、好ましくは、1~2モルである。
本反応は溶媒中で行うことが好ましい。溶媒は、反応が進行する限り特に限定されず、例えば、トルエン、キシレン、ベンゼン等の芳香族炭化水素類;テトラヒドロフラン、tert-ブチルメチルエーテル、ジエチエルエーテル等のエーテル類;ジクロロメタン、1,2-ジクロロエタン、クロロホルム等のハロゲン化炭化水素類;又はその混合物等が挙げられる。
反応温度は、反応が進行しさえすれば特に制限はないが、下限値は10℃以上が好ましく、20℃以上がより好ましく、30℃以上が更に好ましく、40℃以上が更に一層好ましい。一方、上限値は80℃以下が好ましく、70℃以下がより好ましい。反応時間は、反応が進行しさえすれば特に制限はないが、下限値は、10分以上が好ましく、30分以上がより好ましく、1時間以上が更に好ましく、2時間以上が更に一層好ましい。一方、上限値は72時間以下が好ましく、48時間以下がより好ましく、24時間以下が更に好ましく、20時間以下が更に一層好ましい。
R20が水酸基の保護基の場合、化合物(VII)又は(VIII)は、化合物(II)と、化合物(V)又は(VI)をルイス酸の存在下で反応させることにより製造することができる。
ルイス酸としては、BF3、BF3・OEt2、BCl3、TiCl4、TiBr4、SnCl4、SbCl5、SbF5、FeCl3、ZnCl2、ZnBr2、AlCl3、AlBr3等が挙げられる。好ましくは、BF3、BF3・OEt2が用いられる。
化合物(V)又は(VI)の使用量は、化合物(II)1モルに対して、0.5~3モル、好ましくは、1~2モルである。ルイス酸の使用量は、化合物(II)1モルに対して、0.01~10モル、好ましくは、0.05~5モルである。
本反応は溶媒中で行うことが好ましい。溶媒は、反応が進行する限り特に限定されず、例えば、ジクロロメタン、1,2-ジクロロエタン、クロロホルム等のハロゲン化炭化水素類;トルエン、キシレン、ベンゼン等の芳香族炭化水素類;ヘキサン、ヘプタン等の脂肪族炭化水素類;又はその混合物等が挙げられる。
反応温度は、-100℃~140℃、好ましくは、-80℃~80℃である。反応時間は、1時間~48時間、好ましくは、2時間~24時間である。
化合物(I-1)又は(I-2)は、化合物(VII)又は(VIII)の水酸基の保護基を脱保護することにより製造することができる。
保護基の脱保護は、自体公知の方法で行うことができる。例えば、保護基がC1-6アルキル-カルボニル基の場合、塩基の存在下で加水分解することにより脱保護することができる。塩基としては、トリエチルアミン、ジイソプロピルエチルアミン等の有機アミンが挙げられる。
塩基の使用量は、化合物(VII)又は(VIII)1モルに対して、5~200モル、好ましくは、40~140モルである。
本反応は溶媒中で行うことが好ましい。溶媒は、反応が進行する限り特に限定されず、例えば、メタノール、エタノール、イソプロパノール等のアルコール類;水;又はその混合物等が挙げられる。
反応温度は、10℃~90℃、好ましくは、50℃~70℃である。反応時間は、5時間~48時間、好ましくは、20時間~30時間である。
リパーゼの使用量は、化合物(VII)又は(VIII)1gに対して、0.001~1g、好ましくは、0.01~0.5gである。
反応温度は、10℃~80℃、好ましくは、25℃~70℃である。反応時間は、1時間~96時間、好ましくは、10時間~48時間である。
化合物(X)又は(XI)は、化合物(IX)と、化合物(V)又は(VI)を反応させることにより製造することができる。
本反応は、製造方法6の工程1と同様の方法で行うことができる。
化合物(XII)又は(XIII)は、化合物(X)又は(XI)の水酸基の保護基を脱保護することにより得ることができる。
保護基の脱保護は、自体公知の方法で行うことができる。例えば、保護基がC1-6アルキル-カルボニル基の場合、塩基の存在下で加水分解することにより行うことができる。塩基としては、ナトリウムメトキシド、ナトリウムエトキシド、カリウムtert-ブトキシド等の金属アルコキシド;水酸化ナトリウム、水酸化カリウム等のアルカリ金属水酸化物等が挙げられる。
塩基の使用量は、化合物(X)又は(XI)1モルに対して、0.01~10モル、好ましくは、0.05~1モルである。
本反応は溶媒中で行うことが好ましい。溶媒は、反応が進行する限り特に限定されず、例えば、メタノール、エタノール、イソプロパノール等のアルコール類;水;又はその混合物等が挙げられる。
反応温度は、10℃~80℃、好ましくは、20℃~30℃である。反応時間は、30分間~15時間、好ましくは、1時間~5時間である。
反応終了後、反応混合物を強酸性陽イオン交換樹脂で中和し、樹脂を濾別し、濾液を濃縮することにより、化合物(XII)又は(XIII)を得ることができる。
化合物(I-1)又は(I-2)は、化合物(XII)又は(XIII)と、化合物(IV)又はその塩を反応させることにより製造することができる。
本反応は、エステラーゼ、特にリパーゼの存在下で行うことが好ましい。リパーゼとしては、Novozym 435(ノボザイムズ社)、Lipozyme RM IM(ノボザイムズ社)、リパーゼPS Amano(天野エンザイム社)等の固定化酵素を使用することができる。
R10が水素原子である化合物(IV)を使用する場合、硫酸マグネシウム等の脱水剤を反応液中に添加することが好ましい。
化合物(IV)又はその塩の使用量は、化合物(XII)又は(XIII)1モルに対して、0.5~50モル、好ましくは、1.0~15モルである。リパーゼの使用量は、化合物(XII)又は(XIII)1gに対して、0.001~1g、好ましくは、0.01~0.5gである。脱水剤の使用量は、化合物(XII)又は(XIII)1gに対して、0.1~10g、好ましくは、0.5~5gである。
本反応は無溶媒で行うことが好ましいが、溶媒を用いることもできる。溶媒は、反応が進行する限り特に限定されず、例えば、アセトン、エチルメチルケトン等のアセトン類;酢酸エチル、酢酸イソプロピル等のエステル類;1,4-ジオキサン、テトラヒドロフラン、ジエチルエーテル等のエーテル類;ベンゼン、トルエン等の芳香族炭化水素類;ヘキサン、ヘプタン等の脂肪族炭化水素類;又はその混合物等が挙げられる。
反応温度は、10℃~80℃、好ましくは、25℃~70℃である。反応時間は、1時間~96時間、好ましくは、10時間~48時間である。
例えば、本発明の化合物を経口用製剤として調製する場合には賦形剤、さらに必要に応じて結合剤、崩壊剤、滑沢剤、着色剤、矯味矯臭剤等を加えた後、常法により例えば錠剤、散剤、丸剤、顆粒剤、カプセル剤、坐剤、溶液剤、糖衣剤、デポー剤、またはシロップ剤等とする。賦形剤としては、例えば乳糖、コーンスターチ、白糖、ブドウ糖、ソルビット、結晶セルロース等が、結合剤としては例えば、ポリビニルアルコール、ポリビニルエーテル、エチルセルロース、メチルセルロース、アラビアゴム、トラガカント、ゼラチン、シェラック、ヒドロキシプロピルセルロース、ヒドロキシプロピルスターチ、ポリビニルピロリドン等が、崩壊剤としては例えばデンプン、寒天、ゼラチン末、結晶セルロース、炭酸カルシウム、炭酸水素ナトリウム、クエン酸カルシウム、デキストラン、ペクチン等が、滑沢剤としては例えば、ステアリン酸マグネシウム、タルク、ポリエチレングリコール、シリカ、硬化植物油等が、着色剤としては医薬品に添加することが許可されているものが、矯味矯臭剤としては、ココア末、ハッカ脳、芳香酸、ハッカ油、竜脳、桂皮末等が用いられる。これらの錠剤または顆粒剤には、糖衣、ゼラチン衣、その他必要により適宜コーティングすることはもちろん差しつかえない。
本発明の食品組成物の形態は特に限定はなく、経口摂取できる形態であればいずれの形態であってもよい。
例えば、粉末、顆粒、タブレット、ハードカプセル、ソフトカプセル、液体(飲料、ゼリー飲料など)、キャンディ、チョコレート等を挙げることができ、いずれも、当該技術分野で自体公知の方法により製造することができる。
食品組成物における本発明の化合物の配合量は、指示された範囲の適当な用量が得られるように適宜決められる。
その剤型も特に制限はなく、溶液状、ペースト状、ゲル状、固体状、粉末状等の剤型を取ることができ、本発明の化合物の安定性を更に向上できるという観点で、固体状や粉末状が好ましい。
本発明の化粧料組成物は、皮膚毛髪用化粧品、入浴剤、あるいはトイレタリー用品等の各種化粧品に使用できる。具体的には、オイル、ローション、クリーム、乳液、ゲル、シャンプー、ヘアリンス、ヘアコンディショナー、エナメル、ファンデーション、リップスティック、おしろい、パック、軟膏、顆粒、カプセル、香水、パウダー、オーデコロン、歯磨、石鹸、エアゾル、クレンジングフォーム等を挙げることができる。
本発明の化粧料組成物は、養毛剤、皮膚老化防止改善剤、皮膚美容液、あかぎれ・ひびわれ等による肌荒れの防止改善剤等の各種皮膚疾患の防止あるいは改善に用いられる医薬品、あるいは医薬部外品に用いることもできる。
2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)
1,2,3,4,6-ペンタ-O-アセチル-β-D-グルコピラノース(1)(50.0 g, 128 mmol)をN,N-ジメチルホルムアミド(120 ml)に室温にて溶解した後、氷浴を用いて冷却した。この溶液に酢酸アンモニウム(20.0 g, 260 mmol)を加えた後、氷浴を外し、室温にて21.5時間攪拌した。薄層クロマトグラフィー(TLC)にて原料の残存を確認したため、氷浴を用いて反応液を冷却し、酢酸アンモニウム(5.0 g, 65 mmol)を加えた。続いて氷浴を外し、室温にて3時間攪拌後、TLCにて原料消失を確認した。反応容器を氷浴にて冷却して水(600 ml)をゆっくりと加えた後、氷浴を外し、室温にてジエチルエーテル(400 ml)で5回抽出を行った。合わせた有機層を15%食塩水(100 ml)で洗浄し、有機層を硫酸マグネシウムで乾燥した後、濾過を行い、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 40:60 → 68:32)にて精製し、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(38.5 g, 111 mmol, 収率86%)を無色透明の油状物として得た。1H-NMRの解析結果、α体:β体の比が約3:2の混合物であった。
1H-NMR(400 MHz, CDCl3)δ:2.02(s, 3H),2.04(s, 3H),2.09(s, 3H),2.10(s, 3H),3.76(ddd, 1/2H, J=2.4 Hz, 4.9 Hz, 10.1 Hz),3.78-3.95(brs, 1H),4.01-4.10 (m, 1/2H),4.10-4.31 (m, 2H),4.71-4.79 (m, 1/2H),4.86-4.93(m, 1H),5.08(dd, 1H, J=10.1 Hz, 10.1 Hz),5.25(dd, 1/2H, J=10.1 Hz, 10.1 Hz),5.43-5.49(m, 1/2H),5.54(dd, 1/2H, J=10.1 Hz, 10.1 Hz). ESIMS(m/z):371.1([M+Na]+).
アルゴン雰囲気下、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(21.6 g, 62.0 mmol)をトルエン(160 ml)に溶解し、トリフェニルホスフィン(16.2 g, 61.8 mmol)及びジヒドロカプシエイト(12.0 g, 38.9 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(28 ml, 61.6 mmol)を滴下した。20分間攪拌した後に氷浴を外して室温に昇温し、更に16時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 15:85 → 46:54)で精製し、β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(3)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;18.9 g, 29.6 mmol, 収率76%)を淡黄色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:0.86(d, 6H, J=6.6 Hz),1.10-1.19 (m, 2H),1.23-1.37 (m, 6H),1.44-1.58(m, 1H),1.64(tt, 2H, J=7.5 Hz, 7.5 Hz),2.04(s, 3H),2.05(s, 3H),2.08(s, 3H),2.08(s, 3H),2.35(t, 2H, J=7.5 Hz),3.77(ddd, 1H, J=2.5 Hz, 5.0 Hz, 10.0 Hz),3.83(s, 3H),4.17(dd, 1H, J=2.5 Hz, 12.2 Hz),4.29(dd, 1H, J=5.0 Hz, 12.2 Hz),4.94-4.98(m, 1H),5.05(s, 2H),5.12-5.22(m, 1H),5.26-5.31(m, 2H),6.85-6.92(m, 2H),7.10(d, 1H, J=8.1 Hz). ESIMS(m/z):661.2([M+Na]+),677.2([M+K]+).
β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(3)とα体の混合物(β体:α体の比が約7:1;18.9 g, 29.6 mmol)を室温にてメタノール(250 ml)に溶解した後、氷浴を用いて反応液を冷却した。トリエチルアミン(250 ml, 1.79 mol)を加えた後、氷浴を外して17時間加熱還流を行った。反応液を室温に戻し、溶媒を減圧濃縮した後、残渣をシリカゲルカラムクロマトグラフィー(グラジエント; メタノール:酢酸エチル = 2:98 → 11:89)にて精製し、β体O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(4)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約8:1;7.24 g, 15.4 mmol, 収率52%)を淡黄色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.90(d, 6H, J=6.7 Hz),1.14-1.23 (m, 2H),1.26-1.39 (m, 6H),1.46-1.58(m, 1H),1.63(tt, 2H, J=7.5 Hz, 7.5 Hz),2.36(t, 2H, J=7.5 Hz),3.40-3.55(m, 4H),3.68-3.74(m, 1H),3.85-3.92(m, 1H),3.88(s, 3H),4.92(d, 1H, J=7.5 Hz),5.07(s, 2H),6.93(dd, 1H, J=2.0 Hz, 8.3 Hz),7.03(d, 1H, J=2.0 Hz),7.16(d, 1H, J=8.3 Hz). ESIMS(m/z):493.1([M+Na]+),509.0([M+K]+).
本固体を特許文献1(特許第3506466号公報)と同じ方法により、濃度>10-3モルで辛味の官能評価を行ったが、「-」すなわち、辛味を全く呈さなかった。
4-アセトキシメチル-2-メトキシフェノール(6)
バニリルアルコール(5)(10.3 g, 66.8 mmol)を室温にて酢酸エチル(160 ml)に溶解した後、Novozym 435(2.00 g)を加え、65℃で69時間攪拌した。続いて反応液を室温に戻し、酵素を濾別して濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 19:81 → 40:60)にて精製し、4-アセトキシメチル-2-メトキシフェノール(6)(11.8 g, 59.8 mmol, 収率89%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:2.10(s, 3H),3.91(s, 3H),5.04(s, 2H),5.79(brs, 1H),6.88-6.94(m, 3H).
アルゴン雰囲気下、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(576 mg, 1.65 mmol)を室温にてトルエン(5 ml)に溶解し、トリフェニルホスフィン(423 mg, 1.61 mmol)及び4-アセトキシメチル-2-メトキシフェノール(6)(204 mg, 1.04 mmol)を加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(0.75 ml, 1.65 mmol)を滴下した後、氷浴を外して室温に昇温し、3時間攪拌した。反応溶液を減圧濃縮し、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 20:80 → 61:39)にて精製し、4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジルアセテート(7)(335 mg, 0.637 mmol, 収率61%)を無色油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:2.05(s, 3H),2.05(s, 3H),2.09(s, 3H),2.09(s, 3H),2.11(s, 3H),3.77(ddd, 1H, J=2.5 Hz, 5.1 Hz, 9.9 Hz),3.84(s, 3H),4.17(dd, 1H, J=2.5 Hz, 12.2 Hz),4.29(dd, 1H, J=5.1 Hz, 12.2 Hz),4.94-4.98(m, 1H),5.05(s, 2H),5.14-5.20(m, 1H),5.26-5.33(m, 2H),6.89(dd, 1H, J=2.0 Hz, 8.0 Hz),6.92(d, 1H, J=2.0 Hz),7.10(d, 1H, J=8.0 Hz). ESIMS(m/z):549.0([M+Na]+),565.0([M+K]+).
4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル アセテート(7)(333 mg, 0.632 mmol)をメタノール(2 ml)に懸濁させ、氷浴中でナトリウムメトキシド 5 Mメタノール溶液(20 μl, 0.10 mmol)を加えた。氷浴を外して室温に昇温して2時間攪拌した後、更にナトリウムメトキシド0.5 Mメタノール溶液(0.12 ml, 0.06 mmol)を加えて1時間攪拌した。反応溶液を強酸性陽イオン交換樹脂(Amberlite IR120B H AG)で中和処理した後、樹脂を濾別し、濾液を減圧濃縮して4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジルアルコール(8)(147 mg, 0.465 mmol, 収率74%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:3.40-3.55(m, 4H),3.67-3.75(m, 1H),3.85-3.92(m, 1H),3.89(s, 3H),4.56(s, 2H),4.89(d, 1H, J=7.9 Hz),6.90(dd, 1H, J=1.9 Hz, 8.1 Hz),7.04(d, 1H, J=1.9 Hz),7.15(d, 1H, J=8.1 Hz). ESIMS(m/z):339.2([M+Na]+).
4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジルアルコール(8)(142 mg, 0.447 mmol)を室温にてアセトン(5 ml)に溶解し、8-メチルノナン酸(94.5 mg, 0.548 mmol)、Novozym 435(30.9 mg)及び硫酸マグネシウム(143 mg)を加えた後、50℃に昇温して26時間攪拌した。反応途中にアセトンが蒸発したため、適宜アセトンを加えて補充した。続いて反応液を室温に戻し、固体を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; メタノール:酢酸エチル:n-ヘキサン = 0:41:59 → 0:100:0 → 11:89:0)にて精製し、β体O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(4)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;117 mg, 0.249 mmol, 収率56%)を淡黄色固体として得た。
D-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)
α-D-セロビオース オクタアセテート(9)(2.01 g, 2.96 mmol)を室温にてN,N-ジメチルホルムアミド(8 ml)に溶解した後、氷浴を用いて反応液を冷却し、酢酸アンモニウム(473.5 mg, 6.14 mmol)を加えた。氷浴を外して室温に昇温して17時間攪拌した後、反応液を60℃に昇温して更に3.5時間攪拌した。氷浴を用いて反応液を冷却し、水(45 ml)をゆっくり加えた後、氷浴を外して室温にて酢酸エチル(40 ml)で4回抽出を行った。合わせた有機層を水(40 ml)、続いて15%食塩水(40 ml)で洗浄した。有機層を硫酸マグネシウムで乾燥し、固体を濾別後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 62:38 → 83:17)にて精製し、D-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(1.33 g, 2.09 mmol, 収率71%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.03(s, 3H),2.07(s, 3H),2.08(s, 3H),2.13(s, 3H),3.67(ddd, 1H, J=2.3, 4.3 Hz, 9.8 Hz),3.72-3.81(m, 1H),3.80(dd, 1H, J=9.4 Hz, 9.8 Hz),4.04(dd, 1H, J=2.3 Hz, 12.4 Hz),4.11(dd, 1H, J=4.3 Hz, 11.9 Hz),4.17(ddd, 1H, J=1.7 Hz, 4.3 Hz, 9.8 Hz),4.37(dd, 1H, J=4.3 Hz, 12.4 Hz),4.48-4.57(m, 2H),4.82(dd, 1H, J=3.7 Hz, 10.2 Hz),4.89-4.96(m, 1H),5.04-5.25(m, 2H),5.36(d, 1H, J=3.7 Hz)5.50(dd, 1H, J=9.4 Hz, 10.2 Hz). ESIMS(m/z):659.0([M+Na]+),675.1([M+K]+).
アルゴン雰囲気下、D-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(1.47 g, 2.31 mmol)を室温にてテトラヒドロフラン(7.5 ml)とトルエン(7.5 ml)に溶解し、トリフェニルホスフィン(978 mg, 3.73 mmol)及びジヒドロカプシエイト(1.15 g, 3.73 mmol)を加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(1.7 ml, 3.74 mmol)を滴下した後、室温に昇温して6時間攪拌した。反応溶液を減圧濃縮し、不溶物を濾別した後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 41:59 → 62:38)にて精製し、β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(11)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約5:1;1.39 g, 1.50 mmol, 収率65%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.86(d, 6H, J=6.7 Hz),1.11-1.19 (m, 2H),1.22-1.37 (m, 6H),1.44-1.59(m, 1H),1.60-1.69(m, 2H),1.99(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.07(s, 3H),2.10(s, 3H),2.12(s, 3H),2.35(t, 2H, J=7.5 Hz),3.63-3.72(m, 2H),3.77-3.91(m, 1H),3.82(s, 3H),4.07(dd, 1H, J=2.4 Hz, 12.4 Hz),4.11-4.35(m, 2H),4.38(dd, 1H, J=4.4 Hz, 12.4 Hz),4.46-4.58(m, 1H),4.54(d, 1H, J=7.9 Hz),4.91(d, 1H, J=9.1 Hz),4.94(dd, 1H, J=7.9 Hz, 9.4 Hz),5.05(s, 2H),5.05-5.29(m, 3H), 6.87(dd, 1H, J=2.0 Hz, 8.1 Hz),6.89(d, 1H, J=2.0 Hz),7.06(d, 1H, J=8.1 Hz). ESIMS(m/z):949.5([M+Na]+),965.5([M+K]+).
β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(11)とα体の混合物(β体:α体の比が約5:1;225 mg, 0.243 mmol)を室温にてメタノール(2 ml)に溶解し、氷浴を用いて反応液を冷却した。トリエチルアミン(2 ml, 14.3 mmol)を加えた後、氷浴を外して18時間加熱還流を行った。続いて反応液にメタノール(2 ml)、トリエチルアミン(2 ml, 14.3 mmol)を加え、更に7時間加熱還流した。反応液を室温に戻し、減圧濃縮した後、残渣をODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 57:43 → 32:68)にて精製した。精製が不十分であったため、得られたサンプルを更にシリカゲルカラムクロマトグラフィー(グラジエント; メタノール: 酢酸エチル = 12:88 → 21:79)にて精製し、β体O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(12)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;52.3 mg, 0.0827 mmol, 収率34%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.7 Hz),1.14-1.23 (m, 2H),1.25-1.39 (m, 6H),1.46-1.57(m, 1H),1.58-1.68(m, 2H),2.36(t, 2H, J=7.5 Hz),3.22-3.44(m, 4H),3.53-3.76(m, 5H),3.85-3.98(m, 3H),3.88(s, 3H),4.47(d, 1H, J=7.9 Hz),4.96(d, 1H, J=7.3 Hz),5.07(s, 2H),6.93(dd, 1H, J=1.9 Hz, 8.3 Hz),7.03(d, 1H, J=1.9 Hz),7.14(d, 1H, J=8.3 Hz). ESIMS(m/z):655.2([M+Na]+),670.9([M+K]+).
4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル アセテート(13)
アルゴン雰囲気下、D-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(500 mg, 0.785 mmol)を室温にてテトラヒドロフラン(1.5 ml)とトルエン(1.5 ml)に溶解し、トリフェニルホスフィン(333 mg, 1.27 mmol)及び4-アセトキシメチル-2-メトキシフェノール(6)(244 mg, 1.24 mmol)を加えた。氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(0.58 ml, 1.28 mmol)を滴下した後、氷浴を外して室温に昇温し、4時間攪拌した。反応溶液を減圧濃縮し、不溶物を濾別した後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 53:47 → 74:26)にて精製し、4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル アセテート(13)(360 mg, 0.442 mmol, 収率56%)を無色油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:1.99(s, 3H),2.02(s, 3H),2.04(s, 3H),2.05(s, 3H),2.07(s, 3H),2.10(s, 3H),2.10(s, 3H),2.11(s, 3H),3.64-3.72(m, 2H),3.81-3.92(m, 1H),3.82(s, 3H), 4.07(dd, 1H, J=2.2 Hz, 12.4 Hz),4.14(dd, 1H, J=5.4 Hz, 11.9 Hz),4.39(dd, 1H, J=4.5 Hz, 12.4 Hz),4.53(dd, 1H, J=2.1 Hz, 11.9 Hz),4.54(d, 1H, J=8.0 Hz),4.91(d, 1H, J=7.6 Hz),4.94(dd, 1H, J=8.0 Hz, 9.2 Hz),5.02-5.09(m, 4H),5.04(s, 2H),6.87(dd, 1H, J=1.9 Hz, 8.1 Hz),6.90(d, 1H, J=1.9 Hz),7.06(d, 1H, J=8.1 Hz). ESIMS(m/z):837.2([M+Na]+),853.2([M+K]+).
4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル アセテート(13)(355 mg, 0.436 mmol)を室温にてメタノール(1 ml)に溶解し、氷浴を用いて反応液を冷却した。ナトリウムメトキシド 0.5 Mメタノール溶液(260 μl, 0.13 mmol)を加えた後、氷浴を外して室温に昇温して1.5時間攪拌した。反応溶液を強酸性陽イオン交換樹脂(Amberlite IR120B H AG)で中和処理した後、樹脂を濾別し、濾液を減圧濃縮してβ体4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジルアルコール(14)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;207 mg, 0.435 mmol, 収率>99%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:3.23-3.45(m, 5H),3.52-3.75(m, 5H),3.85-3.95(m, 2H),3.88(s, 3H),4.46(d, 1H, J=7.9 Hz),4.56(s, 2H),4.94(d, 1H, J=7.5 Hz),6.90(dd, 1H, J=1.8 Hz, 8.3 Hz),7.04(d, 1H, J=1.8 Hz),7.13(d, 1H, J=8.3 Hz). ESIMS(m/z):501.1([M+Na]+), 542.9([M+K]+).
β体4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシル-(1→4)-2,3,6-トリ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジルアルコール(14)とα体の混合物(β体:α体の比が約7:1;216 mg, 0.452 mmol)と8-メチルノナン酸メチルエステル(866 mg, 4.65 mmol)を室温にて混合した後、Novozym 435(46.8 mg)を加えた。反応液を50℃で40時間攪拌した後、昇温して加熱還流条件下、更に8時間攪拌した。続いてアセトン(5 ml)を加え、更に16時間加熱還流を行った。続いて反応液を室温に戻し、反応液にメタノール(20 ml)を加えた後、酵素を濾別し、濾液を減圧濃縮した。残渣をODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 58:42 →33:67)にて精製し、β体O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(12)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;75.1 mg, 0.119 mmol, 収率26%)を無色固体として得た。
O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル(15)
アルゴン雰囲気下、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(5.72 g, 16.4 mmol)をトルエン(35 ml)に溶解し、トリフェニルホスフィン(4.28 g, 16.3 mmol)及びバニリル デカノエイト(3.16 g, 10.2 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(7.5 ml, 16.5 mmol)を滴下した。5分間攪拌した後に氷浴を外して室温に昇温し、22時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 15:85 → 46:54)で精製し、β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル(15)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;4.71 g, 7.37 mmol, 収率72%)を淡黄色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:0.88(t, 3H, J=6.9 Hz),1.20-1.34 (m, 12H),1.59-1.65 (m, 2H), 2.04(s, 3H),2.04(s, 3H),2.08(s, 3H),2.08(s, 3H),2.34(t, 2H, J=7.5 Hz),3.76(ddd, 1H, J=2.4 Hz, 5.0 Hz, 10.0 Hz),3.82(s, 3H),4.16(dd, 1H, J=2.4 Hz, 12.2 Hz),4.28(dd, 1H, J=5.0 Hz, 12.2 Hz),4.93-4.98(m, 1H),5.05(s, 2H),5.13-5.19(m, 1H),5.25-5.31(m, 2H),6.86(dd, 1H, J=1.9 Hz, 8.1 Hz),6.89(d, 1H, J=1.9 Hz),7.09(d, 1H, J=8.1 Hz). ESIMS(m/z):661.0([M+Na]+), 677.3([M+K]+).
β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル(15)とα体の混合物(β体:α体の比が約7:1;3.90 g, 6.11 mmol)を室温にてメタノール(51 ml)に溶解した後、氷浴を用いて反応液を冷却した。トリエチルアミン(51.2 ml, 367 mmol)を加えた後、氷浴を外して22時間加熱還流を行った。反応液を室温に戻し、溶媒を減圧濃縮した後、残渣をシリカゲルカラムクロマトグラフィー(グラジエント; メタノール:酢酸エチル = 2:98 → 11:89)にて精製し、β体O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-デカン酸エステル(16)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;2.01 g, 4.27 mmol, 収率70%)を淡黄色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.90(t, 3H, J=6.6Hz),1.24-1.36 (m, 12H),1.61(tt, 2H, J=7.3 Hz, 7.3 Hz),2.34(t, 2H, J=7.3 Hz),3.35-3.56(m, 4H),3.65-3.73(m, 1H), 3.86(s, 3H),3.86-3.89(m, 1H),4.90(d, 1H, J=7.3 Hz), 5.05(s, 2H),6.91(dd, 1H, J=1.9 Hz, 8.3 Hz),7.00(d, 1H, J=1.9 Hz),7.15(d, 1H, J=8.3 Hz). ESIMS(m/z):493.2([M+Na]+),509.2([M+K]+).
O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル(17)
アルゴン雰囲気下、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(5.62 g, 16.1 mmol)をトルエン(35 ml)に溶解し、トリフェニルホスフィン(4.28 g, 16.3 mmol)及びノルジヒドロカプシエイト(2.98 g, 10.1 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(7.5 ml, 16.5 mmol)を滴下した。5分間攪拌した後に氷浴を外して室温に昇温し、18時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 24:76 → 45:55)で精製し、β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル(17)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;4.16 g, 6.66 mmol, 収率66%)を淡黄色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.7 Hz),1.11-1.19 (m, 2H),1.23-1.36 (m, 4H),1.45-1.56 (m, 1H),1.60-1.68 (m, 2H),2.04(s, 3H),2.04(s, 3H),2.08(s, 3H),2.08(s, 3H),2.34(t, 2H, J=7.5 Hz),3.76(ddd, 1H, J=2.5 Hz, 5.0 Hz, 10.0 Hz),3.82 (s, 3H),4.16(dd, 1H, J=2.5 Hz, 12.2 Hz),4.28(dd, 1H, J=5.0 Hz, 12.2 Hz),4.93-4.97(m, 1H),5.05(s, 2H),5.10-5.21(m, 1H),5.23-5.32(m, 2H),6.86(dd, 1H, J=1.9 Hz, 8.0 Hz),6.90(d, 1H, J=1.9 Hz),7.09(d, 1H, J=8.0 Hz). ESIMS(m/z):647.2([M+Na]+), 663.3([M+K]+).
β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル(17)とα体の混合物(β体:α体の比が約7:1;3.36 g, 5.38 mmol)を室温にてメタノール(46 ml)に溶解した後、氷浴を用いて反応液を冷却した。トリエチルアミン(46.0 ml, 330 mmol)を加え、氷浴を外して23時間加熱還流を行った。反応液を室温に戻し、溶媒を減圧濃縮した後、残渣をシリカゲルカラムクロマトグラフィー(グラジエント; メタノール:酢酸エチル = 2:98 → 11:89)にて精製し、β体O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル(18)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;1.71 g, 3.75 mmol, 収率70%)を淡黄色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.7 Hz),1.14-1.23 (m, 2H),1.25-1.37 (m, 4H),1.46-1.58(m, 1H),1.58-1.68(m, 2H),2.36(t, 2H, J=7.4 Hz),3.40-3.58(m, 4H),3.68-3.76(m, 1H),3.86-3.90(m, 1H),3.87(s, 3H),4.92(d, 1H, J=7.3 Hz),5.07(s, 2H),6.93(dd, 1H, J=1.9 Hz, 8.3 Hz),7.03(d, 1H, J=1.9 Hz),7.16(d, 1H, J=8.3 Hz). ESIMS(m/z):479.0([M+Na]+),495.2([M+K]+).
O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル(19)
アルゴン雰囲気下、2,3,4,6-テトラ-O-アセチル-D-グルコピラノース(2)(6.03 g, 17.3 mmol)をトルエン(35 ml)に溶解し、トリフェニルホスフィン(4.54 g, 17.3 mmol)及びカプシエイト(3.27 g, 10.7 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(7.8 ml, 17.2 mmol)を滴下した。5分間攪拌した後に氷浴を外して室温に昇温し、17時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 25:75 → 46:54)で精製し、β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル(19)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約6:1;4.58 g, 7.19 mmol, 収率67%)を淡黄色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:0.95(d, 6H, J=6.7 Hz),1.33-1.43 (m, 2H),1.60-1.68 (m, 2H),1.94-2.02 (m, 2H),2.04(s, 3H),2.04(s, 3H),2.08(s, 3H),2.08(s, 3H),2.16-2.27 (m, 1H),2.35(t, 2H, J=7.5 Hz),3.76(ddd, 1H, J=2.4 Hz, 5.0 Hz, 9.9 Hz),3.82(s, 3H),4.16(dd, 1H, J=2.4 Hz, 12.2 Hz),4.28(dd, 1H, J=5.0 Hz, 12.2 Hz),4.94-4.97(m, 1H),5.05(s, 2H),5.16(dd, 1H, J=9.9, 9.9 Hz),5.25-5.41(m, 4H),6.87(dd, 1H, J=1.8 Hz, 8.1 Hz),6.89(d, 1H, J=1.8 Hz),7.09(d, 1H, J=8.1 Hz). ESIMS(m/z):659.3([M+Na]+), 675.3([M+K]+).
β体O-[4-(2,3,4,6-テトラ-O-アセチル-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル(19)とα体の混合物(β体:α体の比が約6:1;4.00 g, 6.28 mmol)を室温にてメタノール(53 ml)に溶解した後、氷浴を用いて反応液を冷却した。トリエチルアミン(53.0 ml, 380 mmol)を加え、氷浴を外して70℃に昇温し、23時間攪拌した。反応液を室温に戻し、溶媒を減圧濃縮した後、残渣をシリカゲルカラムクロマトグラフィー(グラジエント; メタノール:酢酸エチル = 2:98 → 11:89)にて精製し、β体O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル(20)とα体の混合物(1H-NMRの解析結果、β体:α体の比が約6:1;2.08 g, 4.44 mmol, 収率71%)を淡黄色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.97(d, 6H, J=6.8 Hz),1.33-1.43 (m, 2H),1.58-1.68 (m, 2H),1.96-2.04(m, 2H),2.17-2.31(m, 1H),2.37(t, 2H, J=7.3 Hz),3.40-3.59(m, 4H),3.67-3.76(m, 1H),3.86-3.93(m, 1H),3.88(s, 3H),4.92(d, 1H, J=7.5 Hz), 5.07(s, 2H),5.30-5.48(m, 2H),6.93(dd, 1H, J=2.1 Hz, 8.3 Hz),7.03(d, 1H, J=2.1 Hz),7.16(d, 1H, J=8.3 Hz). ESIMS(m/z):491.1([M+Na]+),507.1([M+K]+).
O-8-メチルノニル-2-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]酢酸エステル(22)
アルゴン雰囲気下、化合物21(740 mg, 5.84 mmol)をトルエン(toluene, 5 ml)及びテトラヒドロフラン(THF, 5 ml)の混合溶媒に溶解し、トリフェニルホスフィン(PPh3, 1.54 g, 5.86 mmol)及びD-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(2.32 g, 3.65 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(DEAD, 2.65 ml, 5.84 mmol)を滴下した。10分間攪拌した後に氷浴を外して室温に昇温し、更に22時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:9 → 1:1)で精製し、化合物22-1のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;2.49 g, 2.64 mmol, 収率72%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.10-1.52(m, 2H),1.29-1.32(m, 8H),1.46-1.56(m, 3H),1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),3.55-3.58(m, 2H),3.63-3.69(m, 2H),3.79(s, 3H),3.79-3.88(m, 1H),4.04-4.15(m, 5H),4.35-4.40(m, 1H),4.50-4.55(m, 2H),4.87-4.98(m, 2H),5.04-5.27(m, 3H),6.75(dd, 1H, J=2.0Hz, 9.2 Hz),6.83(d, 1H, J=2.0 Hz),7.01(d, 1H, J=9.2 Hz). ESIMS(m/z):963.4([M+Na]+),979.4([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.18(m, 2H),1.30(m, 8H),1.48-1.63(m, 3H),3.22-3.40(m, 3H),3.51-3.73(m, 7H),3.84-4.03(m, 4H),3.85(s, 3H),4.08(t, 2H, J=6.6 Hz),4.44(d, 1H, J=7.8 Hz),4.91(d, 1H, J=7.6 Hz),6.81(dd, 1H, J=1.7 Hz, 8.2 Hz),6.95(d, 1H, J=1.7 Hz),7.10(d, 1H, J=8.2 Hz). ESIMS(m/z):669.3([M+Na]+).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル(23)
アルゴン雰囲気下、化合物23-1(755 mg, 2.34 mmol)をトルエン(2.5 ml)及びTHF(2.5 ml)の混合溶媒に溶解し、トリフェニルホスフィン(966 mg, 3.68 mmol)及びD-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(2.30 g, 3.62 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(1.70 ml, 3.74 mmol)を滴下した。10分間攪拌した後に氷浴を外して室温に昇温し、更に14時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:9 → 1:1)で精製し、化合物23-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;1.01 g, 1.08 mmol, 収率46%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.86(d, 6H, J=6.6 Hz),1.12-1.17(m, 2H),1.23-1.31(m, 6H),1.42-1.54(m, 1H),1.56-1.63(m, 2H),1.98(s, 3H),2.01(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.07(s, 3H),2.10(s, 3H),2.28(t, 2H, J=7.7 Hz),2.87(t, 2H, J=7.1 Hz),3.63-3.69(m, 2H),3.78(s, 3H),3.78-3.87(m, 2H),4.03-4.26(m, 3H),4.35-4.40(m, 1H),4.51-4.54(m, 2H),4.87-5.27(m, 6H),6.70(dd, 1H, J=1.7Hz,8.1 Hz),6,73(d, 1H, J=1.7 Hz),7.00(d, 1H, J=8.1 Hz). ESIMS(m/z):963.4([M+Na]+),979.4([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.15-1.20(m, 2H),1.24-1.31(m, 6H),1.48-1.59(m, 3H),2.29(t, 2H, J=7.4 Hz),2.88(t, 2H, J=6.8 Hz),3.24(t, 1H, J=8.4 Hz),3.28-3.40(m, 3H),3.50-3.70(m, 5H),3.85(s, 3H),3.85-3.91(m, 3H),4.26(t, 2H, J=6.9 Hz),4.44(d, 1H, J=7.8 Hz),4.90(d, 1H, J=7.6 Hz),6.78(dd, 1H, J=1.9 Hz,8.4 Hz),6.90(d, 1H, J=1.9 Hz),7.08(d, 1H, J=8.4 Hz). ESIMS(m/z):669.3([M+Na]+).
O-[2-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(24)
アルゴン雰囲気下、化合物24-1(698 mg, 2.26 mmol)をトルエン(3.5 ml)及びTHF(3.5 ml)の混合溶媒に溶解し、トリフェニルホスフィン(829 mg, 3.16 mmol)及びD-セロビオース 2,2',3,3',4',6,6'-ヘプタアセテート(10)(2.31 g, 3.62 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(1.43 ml, 3.15 mmol)を滴下した。10分間攪拌した後に氷浴を外して室温に昇温し、更に14時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:9 → 1:1)で精製し、化合物24-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約3:2;607 mg, 0.655 mmol, 収率29%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.86(d, 6H, J=6.6 Hz),1.11-1.17(m, 2H),1.25-1.33(m, 6H),1.47-1.54(m, 1H)1.60-1.68(m, 2H,)1.97(s, 3H),1.98(s, 3H),2.01(s, 3H),2.05(s, 3H),2.08(s, 3H),2.09(s, 3H),2.10(s, 3H),2.35(t, 2H, J=7.8 Hz),3.44-3.48(m, 1H),3.65-3.69(m, 1H),3.82(s, 3H),3.82-3.89(m, 1H),4.00-4.08(m, 2H),4.36-4.40(m, 1H),4.46-4.53(m, 2H),4.90-4.94(m, 1H),5.02-5.08(m, 3H),5.12-5.18(m, 2H),5.23-5.29(m, 2H),6.85-6.87(m, 1H),6.92-6.94(m, 1H),7.09(d, 1H, J=8.0 Hz). ESIMS(m/z):949.4([M+Na]+),965.3([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.14-1.20(m, 2H),1.26-1.38(m, 6H),1.47-1.57(m, 1H),1.60-1.67(m, 2H),2.38(t, 2H, J=7.4 Hz),3.22(t, 1H, J=8.4 Hz),3.28-3.39(m, 4H),3.51-3.69(m, 4H),3.76-3.91(m, 6H),4.43(d, 1H, J=7.9 Hz),4.92(d, 1H, J=5.8 Hz),5.30(d, 1H, J=13.2 Hz),5.36(d, 1H, J=13.1 Hz),6.92(dd, 1H, J=1.5 Hz,7.8 Hz),7.01(dd, 1H, J=1.5 Hz,7.8 Hz),7.10(d, 1H, J=7.8 Hz). ESIMS(m/z):655.3([M+Na]+).
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(25)
D-マルトトリオース(25-1)(5.0 g, 9.91 mmol)を室温にてピリジン(pyridine, 30 ml)に溶解し、氷浴を用いて反応液を冷却した。無水酢酸(Ac2O, 15 ml, 149 mmol)を滴下ロートを用いてゆっくり加え10分間攪拌した後、氷浴を外して室温に昇温し20時間攪拌した。反応容器を氷浴にて冷却して水(50 ml)をゆっくりと加えた後、室温にて酢酸エチル(50 ml)で5回抽出を行った。その後合わせた有機層に3N HCl(50 ml)を加え2回洗浄を行い、続いて水(50 ml)、炭酸水素ナトリウム水溶液(50 ml)、15%食塩水(30 ml)の順で加えそれぞれ1回ずつ有機層の洗浄を行った。有機層を無水硫酸マグネシウムで乾燥した後、濾過を行い、濾液を減圧濃縮した。薄層クロマトグラフィー(TLC)にて3つのスポットが確認され、アセチル基(Ac基)が1つ足りないMS分析値が得られたことから再びアセチル化を行った。得られた粗生成物を室温にてピリジン(25 ml)に溶解し、氷浴を用いて反応液を冷却した。N,N-ジメチル-4-アミノピリジン(DMAP, 229 mg, 1.88 mmol)、無水酢酸(5 ml, 49.5 mmol)を滴下ロートを用いてゆっくり加えた。氷浴を外して室温に昇温し12時間加熱還流を行った。反応容器を氷浴にて冷却して水(50 ml)をゆっくりと加えた後、室温にて酢酸エチル(50 ml)で5回抽出を行った。その後合わせた有機層を3N HCl(50 ml)にて2回洗浄を行い、続いて水(50 ml)にて2回、炭酸水素ナトリウム水溶液(50 ml)、15%食塩水(30 ml)にてそれぞれ1回ずつ洗浄し、有機層を無水硫酸マグネシウムで乾燥した後、濾過を行い、濾液を減圧濃縮して化合物25-2のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;8.71 g, 9.01 mol, 収率91%)を無色固体として得た。この化合物25-2(4.0 g, 4.32 mmol)をN,N-ジメチルホルムアミド(8 ml)に室温にて溶解した後、氷浴を用いて冷却した。この溶液に酢酸アンモニウム(793 mg, 10.8 mmol)を加えた後、氷浴を外し室温に昇温して21時間攪拌した。反応容器を氷浴にて冷却して水(50 ml)をゆっくりと加えた後、氷浴を外し、室温にて酢酸エチル(50 ml)で5回抽出を行った。合わせた有機層を15%食塩水(50 ml)で洗浄し、有機層を無水硫酸マグネシウムで乾燥した後、濾過を行い、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 3:7 → 3:2)にて精製し、化合物25-3のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;3.44 g, 3.72 mmol, 収率86%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:1.99-2.06(m, 24H),2.13(s, 3H),2.14(s, 3H),3.93-3.99(m, 2H),4.04-4.14(m, 3H),4.19-4.27(m, 3H),4.29-4.34(m, 1H),4.41-4.50(m, 2H),4.67-4.79(m, 2H),5.05(t, 1H, J=9.7 Hz),5.24-5.45(m, 6H),5.55(t, 1H, J=9.7 Hz). ESIMS(m/z):941.9([M+NH4]+),946.9([M+K]+),963.0([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.16-1.20(m, 2H),1.29(m, 6H),1.49-1.63(m, 3H),2.35(t, 2H, J=7.4 Hz),3.42-3.89(m, 18H),3.86(s, 3H),4.93(d, 1H, J=7.8 Hz),5.06(s, 2H),5.15(d, 1H, J=3.8 Hz),5.21(d, 1H, J=3.8 Hz),6.92(dd, 1H, J=1.9 Hz,8.3 Hz),7.02(d, 1H, J=1.9 Hz)7.14(d, 1H, J=8.3 Hz). ESIMS(m/z):812.0([M+NH4]+),817.0([M+Na]+),832.9([M+K]+).
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(26)
O=PPh3との混合物である化合物25-5(250 mg, 0.390 mmol)を室温にてアセトン(8 ml)に溶解し、n-ヘキサン酸(456 mg, 3.92 mmol)を加えた後、氷浴を用いて反応液を冷却した。Novozym 435(50 mg)及びモレキュラーシーブ3A(256 mg)を加えた後、10分間攪拌した後に氷浴を外して19時間加熱還流した。反応途中にアセトンが蒸発したため、適宜アセトンを加えて補充した。続いて反応液を室温に戻し、固体を濾別した。濾液に析出物が生じたため固体を濾別し、メタノールで溶解させ、減圧濃縮して得た残渣をODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 17:3 → 1:4)にて精製した。精製が不十分であったため、得られたサンプルに対して更にジエチルエーテルにてスラリー洗浄を行い、O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(26)のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;17.8 mg, 0.024 mmol, 収率13%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.86(t, 3H, J=7.0 Hz),1.28-1.35(m, 4H),1.58-1.66(m, 2H),2.35(t, 2H, J=7.4 Hz),3.42-3.89(m, 18H),3.86(s, 3H),4.94(d, 1H, J=7.7 Hz),5.15(d, 1H, J=3.8 Hz),5.21(d, 1H, J=3.8 Hz),6.92(dd, 1H, J=2.0 Hz, 8.3 Hz),7.02(d, 1H, J=2.0 Hz),7.14(d, 1H, J=8.3 Hz). ESIMS(m/z):755.9([M+NH4]+),760.9([M+Na]+).
N-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナンアミド(27)
4-ヒドロキシ-3-メトキシベンジルアミン塩酸塩(27-1)(316 mg, 1.67 mmol)を室温にてジクロロメタン(CH2Cl2, 4 ml)及び水(H2O, 4 ml)の混合溶媒に溶解し、氷浴を用いて反応液を冷却した。炭酸水素ナトリウム(741 mg, 8.35 mmol)及びカルボベンゾキシクロライド(Cbz-Cl, 0.715 ml, 5.01 mmol)を加え、10分間攪拌した後に氷浴を外して室温に昇温し、1時間攪拌した。ジクロロメタン(5 ml)で2回抽出を行った後、合わせた有機層を15%食塩水(30 ml)で洗浄した。合わせた有機層を無水硫酸マグネシウムで乾燥した後、濾過を行い、濾液を減圧濃縮した。残渣をシリカゲルクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 4:21 →7:28)にて精製し、化合物27-2(375 mg, 1.31 mmol, 収率78%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:3.86(s, 3H),4.30(d, 2H, J=5.8 Hz),5.00(s, 0.7H),5.14(s, 2H),5.57(s, 0.9H),6.76-6.78(m, 2H),6.86(d, 1H, J=8.0 Hz),7.31-7.38(m, 5H). ESIMS(m/z):288.0([M+H]+),310.0([M+Na]+),326.0([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:1.98(s, 3H),2.01(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),3.62-3.69(m, 2H),3.77(m, 3H),3.84(t, 1H, J=9.4 Hz),4.06(dd, 1H, J=2.2 Hz,12.4 Hz),4,32(d, 2H, J=5.8 Hz),4.38(dd, 1H, J=4.5 Hz,12.5 Hz),4.50-4.54(m, 2H),4.87(d, 1H, J=7.7 Hz),4.93(dd, 1H, J=8.0 Hz, 9.3 Hz),5.07(t, 1H, J=9.4 Hz),5.13-5.20(m, 4H),5.25(t, 1H, J=9.4 Hz),6.75-6.81(m, 2H),7.02(d, 1H, J=8.1 Hz),7.29-7.36(m, 5H). ESIMS(m/z):923.0([M+NH4]+),928.0([M+Na]+),943.7([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:1.98(s, 3H),2.01(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.11(s, 3H),3.64-3.70(m, 2H),3.75-3.88(m, 4H),4.04-4.15(m, 3H),4.38(dd, 1H, J=4.0 Hz,12.1 Hz),4.52-4.54(m, 2H),4.84-4.95(m, 2H),5.07(t, 1H, J=9.6 Hz),5.13-5.20(m, 3H),5.25(t, 1H, J=9.6 Hz),6,81(m, 1H),6.93(m, 1H),7.03(m, 1H). ESIMS(m/z):772.0([M+H]+),793.9([M+Na]+).
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.13-1.17(m, 2H),1.27-1.33(m, 6H),1.49-1.53(m, 1H),1.61-1.67(m, 2H),1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.06(s, 3H),2,09(s, 3H),2.11(s, 3H),2.20(t, 2H, J=7.6 Hz),3.63-3.69(m, 2H),3.77-3.87(m, 1H),3.79(s, 3H),4.04-4.15(m, 2H),4.36-4.40(m, 3H),4.51-4.55(m, 2H),4.87-4.95(m, 2H),5.05-5.27(m, 4H),6.75(dd, 1H, J=2.0 Hz, 8.2 Hz),6.82(d, 1H, J=2.0 Hz),7.02(d, 1H, J=8.2 Hz). ESIMS(m/z):926.1([M+H]+),948.1([M+Na]+),964.1([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=7.5 Hz),1.15-1.20(m, 2H),1,26-1,38(m, 6H),1.48-1.57(m, 1H),1.59-1.67(m, 2H),2.22(t, 2H, J=7.5 Hz),3.24(t, 1H, J=8.4 Hz),3.29-3.40(m, 3H),3.51-3.70(m, 5H),3.83-3.90(m, 3H),3.85(s, 3H),4,30(s, 2H),4.44(d, 1H, J=7.8 Hz),4.91(d, 1H, J=7.6 Hz),6.82(dd, 1H, J=2.0 Hz, 8.3 Hz),6.94(d, 1H, J=2.0 Hz),7.09(d, 1H, J=8.3 Hz). ESIMS(m/z):632.1([M+H]+),654.2([M+Na]+).
N-[4-(β-D-マルトトリオシルオキシ)-3-メトキシベンジル]-8-メチルノナンアミド(28)
アルゴン雰囲気下、化合物27-2(104 mg, 0.374 mmol)をトルエン(2 ml)及びTHF(1.5 ml)の混合溶媒に溶解し、トリフェニルホスフィン(119 mg, 0.454mmol)及び化合物25-3(404 mg, 0.457 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(0.2 ml, 0.440 mmol)を滴下した。10分間攪拌した後に氷浴を外して室温に昇温し、更に14時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:5 → 11:9)で精製し、化合物28-1のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;407 mg, 0.526 mmol, 収率>99%)をO=PPh3と化合物25-3との混合物で無色固体として得た。この化合物28-1(407 mg, 0.526 mmol)をメタノール(7 ml)に溶解させ、氷浴中でナトリウムメトキシド 5 Mメタノール溶液(100 μl, 0.5 mmol)を加えた。氷浴を外して室温に昇温して1時間攪拌した後、反応溶液を強酸性陽イオン交換樹脂(Amberlite IR120B H AG)で中和処理した。樹脂を濾別し、濾液を減圧濃縮したが1H-NMRにてアセチル基のピークを確認したため、得られた化合物を再びMeOH(7 ml)に溶解させ氷浴中でナトリウムメトキシド 5 Mメタノール溶液(75 μl, 0.375 mmol)を加えた。氷浴を外して室温に昇温して1時間攪拌した後、反応溶液を強酸性陽イオン交換樹脂(Amberlite IR120B H AG)で中和処理した。樹脂を濾別し、濾液を減圧濃縮しODSカラムクロマトグラフィー(グラジエント; メタノール:水 = 1:19 → 1:3 → 4:1)で精製し化合物28-2のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;47.2 mg, 0.0610 mmol, 収率14%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:3.42(m, 18H),3.81(s, 3H),4.24(s, 2H),4.89(d, 1H, J=7.8 Hz),5.15(d, 1H, J=3.8 Hz),5.21(d, 1H, J=3.8 Hz),6.80-6.83(m, 1H),6.92-6.93(m, 1H),7.10(d, 1H, J=8.3 Hz),7.29-7.37(m, 5H). ESIMS(m/z):772.0([M+H]+),796.0([M+Na]+),811.8([M+K]+).
1H-NMR(400 MHz, methanol-d4)β体とα体を共に記載 δ:3.43-3.89(m, 21H),4.91(d, 1/2H, J=3.2 Hz),4.93(d, 1/2H, J=3.2 Hz),5.15(d, 1H, J=3.8 Hz),5.21(d, 1H, J=3.8 Hz),6.88-6.91(m, 1H),7.04(d, 1/2H, J=2.1 Hz),7.05(d, 1/2H, J=2.2 Hz),7.14(d, 1/2H, J=8.3 Hz),7.15(d, 1/2H, J=8.2 Hz). ESIMS(m/z):640.0([M+H]+).
1H-NMR(400 MHz, methanol-d4)δ:0.87-0.89(m, 6H),1.10-1.20(m, 2H),1.29-1.44(m, 6H),1.48-1.68(m, 3H),2.21-2.46(m, 2H),3.42-3.91(m, 21H),4.29-4.58(m, 2H),4.89(d, 1/2H, J=5.2 Hz),4.91(d, 1/2H, J=5.1 Hz),5.15(d, 1H, J=3.8 Hz),6.71(d, 1H, J=3.9 Hz),6.78-6.84(m, 1H),6.90(d, 1/2H, J=1.8 Hz),6.95(d, 1/2H, J=2.1 Hz),7.11(d, 1/2H, J=8.3 Hz),7.12(d, 1/2H, J=8.2 Hz). ESIMS(m/z):792.1([M+H]-).
O-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-3-シクロヘキシルプロピオン酸エステル(29)
アルゴン雰囲気下、化合物29-1(1.01 g, 3.46 mmol)をトルエン(13 ml)に溶解し、トリフェニルホスフィン(1.49 g, 5.68 mmol)及び化合物2(1.93 g, 5.54 mmol)を室温にて加えた。続いて氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(2.5 ml, 5.50 mmol)を滴下した。10分間攪拌した後に氷浴を外して室温に昇温し、更に22時間攪拌した。反応溶液を減圧濃縮した後、不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:9 → 3:2)で精製し、化合物29-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:3;932.3 mg, 1.49 mmol, 収率43%)を無色固体として得た。
1H-NMR(400 MHz,CDCl3)δ:0.84-0.92(m, 2H),1.16-1.28(m, 4H),1.51-1.56(m, 2H),1.63-1.76(m, 5H),2.04-2.08(m, 12H),2.35(t, 2H, J=7.84 Hz),3.73-3.78(m, 1H),3.82(s, 3H),4.07-4.18(m, 1H),4.24-4.33(m, 1H),4.91-5.00(m, 1H),5.04(s, 2H),5.11-5.20(m, 1H),5.23-5.31(m, 1H),5.67-5.75(m, 1H),6.86-6.90(m, 2H),7.09(d, 1H, J=7.66 Hz). ESIMS(m/z):645.2([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.87-0.93(m, 2H),1.17-1.24(m, 4H),1.51(q, 2H, J=7.3 Hz),1.64-1.71(m, 5H),2.36(t, 2H, J=7.7 Hz),3.39-3.56(m, 4H),3.67-3.72(m, 1H),3.80-3.90(m, 1H),3.86(s, 3H),4.90(d, 1H, J=7.4 Hz),5.05(s, 2H),6.92(dd, 1H, J=1.8 Hz, 8.3 Hz),7.02(d, 1H, J=1.8 Hz),7.15(d, 1H, J=8.3 Hz).
O-8-メチルノニル-3-[4-(β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル(30)
化合物30-1(1.06 g, 3.16 mmol)を用いて、化合物29-2の合成と同様の操作を行い、化合物30-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;1.71 g, 2.56 mmol, 収率81%)を無色の油状物質として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.86(d, 6H, J=6.6 Hz),1.14-1.17(m, 2H),1.30-1.35(m, 8H),1.48-1.54(m, 1H),1.56-1.62(m, 2H),2.03-2.07(m, 12H),2.60(t, 2H, J=7.8 Hz),2.90(t, 2H, J=7.8 Hz),3.72-3.77(m, 1H),3.80(s, 3H),4.06(t, 2H, J=6.8 Hz),4.11-4.17(m, 1H),4.28(dd, 1H, J=5.0 Hz, 12.2 Hz),4.90-4.92(m, 1H),5.13-5.18(m, 1H),5.26-5.28(m, 2H),6.72(dd, 1H, J=2.0 Hz, 8.1 Hz),6.74(d, 1H, J=2.0 Hz),7.02(d, 1H, J=8.1 Hz). ESIMS(m/z):689.2([M+Na]+),705.2([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:0.86(t, 6H, J=6.6),1.12-1.27(m, 2H),1.27-1.33(m, 8H),1.48-1.62(m, 3H),2.61(t, 2H, J=7.8 Hz),2.92(t, 2H, J=7.7 Hz),3.44-3.48(m, 1H),3.60-3.68(m, 3H),3.83-3.87(m, 1H),3.86(s, 3H),3.95(dd, 1H, J=3.6 Hz, 12.0 Hz),4.07(t, 2H, J=6.8 Hz),4.68-4.70(m, 1H),6.74(dd, 1H, J=1.9 Hz, 8.1 Hz),6.78(d, 1H, J=1.9 Hz),7.06(d, 1H, J=8.1 Hz). ESIMS(m/z):521.2([M+Na]+),537.0([M+K]+).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-トリデカン酸エステル(31)
化合物31-1(306 mg, 0.860 mmol)用いて、化合物22-1の合成と同様の操作を行い、化合物31-2のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;723 mg, 0.75 mmol, 収率87%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.88(t, 3H, J=6.8),1.25(m, 18H),1.61-1.64(m, 2H),1.98(s, 3H),2.01(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),2.33(t, 2H, J=7.6 Hz),3.64-3.69(m, 2H),3.81(s, 3H),3.81-3.88(m, 1H),4.04-4.07(m, 1H),4.13(dd, 1H, J=5.1 Hz, 11.9 Hz),4.38(dd, 1H, J=4.6 Hz, 12.4 Hz),4.52-4.53(m, 2H),4.92(q, 2H, J=7.8 Hz),5.04-5.27(m, 6H),6.82-6.88(m, 2H),7.05(d, 1H, J=8.1 Hz). ESIMS(m/z):991.4([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.90(d, 3H, J=6.9 Hz),1.26-1.32(m, 18H),1.60-1.63(m, 2H),2.35(t, 2H, J=7.4 Hz),3.22-3.38(m, 3H),3.54-3.70(m, 6H),3.86(s, 3H),3.86-3.91(s, 3H),4.45(d, 1H, J=7.8 Hz),4.95(d, 1H, J=7.6 Hz),5.05(s, 2H),6.91(dd, 1H, J=2.0 Hz, 8.3 Hz),7.02(d, 1H, J=2.0 Hz),7.13(d, 1H, J=8.3 Hz). ESIMS(m/z):697.3([M+Na]+).
O-8-メチルノニル-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]プロピオン酸エステル(32)
化合物32-1(305 mg, 0.910 mmol)を用いて、化合物22-1の合成と同様の操作を行い、化合物32-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;448 mg, 0.47 mmol, 収率52%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.86(d, 6H, J=6.6 Hz),1.12-1.27(m, 2H),1.48-1.54(m, 1H),1.98(s, 3H),2.01(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),2.59(t, 2H, J=7.8 Hz),2.89(t, 2H, J=7.8 Hz),3.63-3.70(m, 2H),3.78(s, 3H),3.82-3.87(m, 1H),4.04-4.07(m, 3H),4.11-4.15(m, 1H),4.37(dd, 1H, J=4.4 Hz, 12.5 Hz),4.50-4.55(m, 2H),4.87(d, 1H, J=7.7 Hz),4.91-4.95(m, 1H),5.06(t, 1H, J=9.6),5.11-5.19(m, 2H),5.24(t, 1H, J=9.2 Hz),6.68(dd, 1H, J=2.0 Hz,8.1 Hz),6.73(d, 1H, J=2.0 Hz),6.98(d, 1H, J=8.1 Hz). ESIMS(m/z):977.4([M+Na]+),993.4([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.15-1.20(m, 2H),1.29-1.32(m, 8H),1.49-1.61(m, 3H),2.62(t, 2H, J=7.2 Hz),2.88(d, 2H, J=7.5 Hz),3.22-3.26(m, 1H),3.30-3.40(m, 3H),3.50-3.70(m, 5H),3.84(s, 3H),3.84-3.90(m, 3H),4.05(t, 2H, J=6.6 Hz),4.44(d, 1H, J=7.8 Hz),4.87(d, 1H, J=7.7Hz),6.76(dd, 1H, J=1.9 Hz,8.2 Hz),6.88(d, 1H, J=1.9 Hz),7.06(d, 1H, J=8.2 Hz).
O-[3-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル(33)
化合物33-2(2.02 g, 11.8 mmol)と化合物33-l(1.80 g, 11.8 mmol)を室温にて混合した後、Novozym 435(90 mg)を加えて50℃に昇温し、ポンプを用い減圧条件下で21時間攪拌した。反応液を室温に戻し、反応液にヘキサン(9 ml)を加えて不溶物を濾別し、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:19 → 1:5)で精製し、化合物33-3(3.13 g, 10.2 mmol, 収率86%)を無色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.13-1.16(m, 2H),1.20-1.36 (m, 6H),1.47-1.57(m, 1H),1.59-1.64(m, 2H),2.33(t, 2H, J=7.6 Hz),5.64(s, 1H),6.82(d, 1H, J=8.2 Hz),6.85(dd, 1H, J=1.8 Hz, 8.2 Hz),6.94(d, 1H, J=1.8 Hz). ESIMS(m/z):331.2([M+Na]+),437.2([M+K]+),639.4([2M+Na]+).
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.13-1.14(m, 2H),1.26-1.30(m, 6H),1.49-1.52(m, 1H),1.58-1.63(m, 2H),1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),2.32(t, 2H, J=7.6 Hz),3.66-3.70(m, 2H),3.83-3.89(m, 1H),3.80(s, 3H),4.40-4.25(m, 3H),4.38(dd, 1H, J=4.4 Hz,12.4 Hz),4.52-4.54(s, 2H),4.91-4.69(m, 2H),4.99(s, 2H),5.02-5.28(m, 3H),6.86(d, 1H, J=8.1 Hz),7.05-7.08(m, 2H). ESIMS(m/z):949.5([M+Na]+),965.5([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.87(d, 6H, J=6.6 Hz),1.14-1.19(m, 2H),1.24-1.32(m, 6H),1.48-1.55(m, 1H),1.57-1.63(m, 2H),2.34(t, 2H, J=7.3 Hz),3.23-3.40(m, 5H),3.52-3.71(m, 6H),3.85-3.90(m, 3H),3.86(s, 3H),4.45(d, 1H, J=7.9),4.49(d, 1H, J=7.6 Hz),5.01(d, 1H, J=12.1 Hz),5.05(d, 1H, J=12.1 Hz),6.98(d, 1H, J=8.4 Hz),7.03(dd, 1H, J=1.8 Hz, 8.4 Hz),7.18(d, 1H, J=1.8 Hz). ESIMS(m/z):655.2([M+Na]+).
O-[3-(β-D-グルコピラノシルオキシ)-4-メトキシベンジル]-8-メチルノナン酸エステル(34)
化合物33-3(715 mg, 2.32 mmol)を用いて、化合物29-2の合成と同様の操作を行い、化合物34-1のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;928 mg, 1.45 mmol, 収率63%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.13-1.15(m, 2H),1.24-1.34(m, 6H),1.47-1.54(m, 1H),1.58-1.65(m, 2H),2.04-2.08(m, 12H),2.32(t, 2H, J=7.6 Hz),3.76-3.84(m, 1H),3.82(s, 3H),4.07-4.21(m, 1H),4.26-4.31(m, 1H),4.97-5.02(m, 1H),5.00(s, 2H),5.12-5.19(m, 1H),5.26-5.30(m, 2H),6.86-6.89(m, 1H),7.06-7.09(m, 1H),7.13(d, 1H, J=2.0 Hz). ESIMS(m/z):661.4([M+Na]+),677.1([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.86(d, 6H, J=1.4 Hz),1.13-1.19(m, 2H),1.23-1.34(m, 6H),1.48-1.55(m, 1H),1.57-1.64(m, 2H),2.34(t, 2H, J=7.2 Hz),3.40-3.52(m, 4H),3.68-3.72(m, 1H),3.86-3.90(m, 1H),3.86(s, 3H),4.90(d, 1H, J=7.5 Hz),5.01(d, 1H, J=12.1 Hz),5.05(d, 1H, J=12.1 Hz),6.98(d, 1H, J=8.3 Hz),7.02(dd, 1H, J=1.8 Hz, 8.3 Hz),7.20(d, 1H, J=1.8 Hz). ESIMS(m/z):493.0([M+Na]+),509.0([M+K]+),963.2([2M+Na]+).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチル-6-ノネン酸エステル(35)
化合物35-1(346 mg, 1.13 mmol)を用いて化合物22-1の合成と同様の操作を行い、化合物35-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;191 mg, 0.21 mmol, 収率19%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.94(d, 6H, J=6.8 Hz),1.23-1.31(m, 1H),1.33-1.41(m, 2H),1.59-1.67(m, 3H),1.98(s, 3H),2.00(s, 3H),2.02(s, 3H),2.04(s, 3H),2.06(s, 3H),2.08(s, 3H),2.10(s, 3H),2.17-2.25(m, 1H),2.34(t, 2H, J=7.5 Hz),3.64-3.69(m, 2H),3.80(s, 3H),3.78-3.87(m, 1H),4.04-4.07(m, 1H),4.13(dd, 1H, J=5.2 Hz,11.8 Hz),4.37 (dd, 1H, J=4.4 Hz,12.4 Hz),4.51-4.53(m, 2H),4.88-4.95(m, 2H),5.03-5.39(m, 6H),5.03(s, 2H),6.84-6.88(m, 2H),7.04(d, 1H, J=8.1 Hz). ESIMS(m/z):947.3([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.95(d, 6H, J=6.7 Hz),1.33-1.40(m, 2H),1.58-1.65(m, 2H),1.96-2.00(m, 2H),2.17-2.25(m, 1H),2.35(t, 2H, J=7.4 Hz),3.22-3.40(m, 2H),3.53-3.70(m, 6H),3.86(s, 3H),3.86-3.90(m, 4H),4.45(d, 1H, J=7.8 Hz)4.95(d, 1H, J=7.6 Hz),5.06(s, 2H),5.53-5.37(m, 2H),6.91(dd, 1H, J=1.7 Hz, 8.2 Hz),7.02(d, 1H, J=1.7 Hz),7.13(d, 1H, J=8.2 Hz). ESIMS(m/z):653.2([M+Na]+),669.0([M+K]+).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-7-メチルオクタン酸エステル(36)
化合物36-1(544 mg, 1.84 mmol)を用いて、化合物22-1の合成と同様の操作を行い、化合物36-2のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;403 mg, 0.44 mmol, 収率24%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:0.85(d, 6H, J=6.6 Hz),1.12-1.17(m, 2H),1.24-1.33(m, 4H),1.45-1.55(m, 1H),1.59-1.67(m, 2H),1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),2.34(t, 2H, J=7.6 Hz),3.64-6.69(m, 2H),3.79-3.90(m, 1H),3.81(s, 3H),4.06(dd, 1H, J=2.3 Hz, 12.5 Hz),4.09-4.16(m, 1H),4.38(dd, 1H, J=4.4 Hz, 12.5 Hz),4.51-4,55(m, 2H),4.89-4.95(m, 2H),5.04(s, 2H),5.04-5.23(m, 4H),6.85(dd, 1H, J=2.0 Hz, 8.1 Hz),6.88(d, 1H, J=2.0 Hz),7.10(d, 1H, J=8.1 Hz). ESIMS(m/z):935.3([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.88(d, 6H, J=6.6 Hz),1.14-1.19(m, 2H),1.29-1.32(m, 4H),1.46-1.55(m, 1H),1.56-1.64(m, 2H),2.35(t, 2H, J=7.5 Hz),3.22-3.40(m, 4H),3.52-3.70(m, 5H),3.86-3.92(m, 3H),3.86(s, 3H),4.45(d, 1H, J=7.9 Hz),4.95(d, 1H, J=7.6 Hz),5.06(s, 2H),6.91(dd, 1H, J=1.9 Hz, 8.3 Hz),7.02(d, 1H, J=1.9 Hz),7.13(d, 1H, J=8.3 Hz).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-プロピオン酸エステル(38)
n-プロピオン酸(37)(1.73 g, 23.4 mmol)とバニリルアルコール(5)(3.50 g, 22.7 mmol)を室温にて混合した後、Novozym 435(350 mg)とアセトン(7 ml)を加え、14時間加熱還流した。TLCにて原料の残存を確認したため、再びアセトン(7 ml)及びNovozym 435(349 mg)を加え、更に48時間加熱攪拌した。反応途中にアセトンが蒸発したため適宜アセトンを加えて補充した。反応液を室温に戻し、反応液にヘキサン(20 ml)を加えた後、不溶物を濾別し、濾液を減圧濃縮した。残渣をODSカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:99 → 17:3)にて精製し、化合物38-1(3.94 mg, 17.6 mmol, 収率78%)を無色液体として得た。
1H-NMR(400 MHz, CDCl3)δ:1.45(t, 3H, J=7.6 Hz),2.36(q, 2H, J=7.6 Hz),3.90(s, 3H),5.03(t, 2H),5.63(s, 1H),6.87-6.91(m, 3H).
1H-NMR(400 MHz, CDCl3)δ:1.16(t, 3H, J=7.6 Hz),1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.06(s, 3H),2.09(s, 3H),2.10(s, 3H),2.37(q, 2H, J=7.6 Hz),3.65-3.69(m, 2H),3.81(s, 3H),3.81-3.87(m, 1H),4.06(dd, 1H, J=2.0 Hz, 12.4 Hz),4.13(dd, 1H, J=5.3 Hz, 11.8 Hz),4.38(dd, 1H, J=4.4 Hz, 12.4 Hz),4.52-4.54(m, 2H),4.89-4.95(m, 2H),5.04(s, 2H),5.04-5.09(m, 1H),5.12-5.28(m, 3H),6.84-6.87(m, 1H),6.89(d, 1H, J=1.8 Hz),7.05(d, 1H, J=8.1 Hz). ESIMS(m/z):850.9([M+Na]+),867.0([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:1.12(t, 3H, J=7.6 Hz),2.37(q, 2H, J=7.6 Hz),3.19(m, 4H),3.52-3.71(m, 5H),3.86(s, 3H),3.81-3.95(m, 3H),4.45(d, 1H, J=7.8 Hz),4.95(d, 1H, J=7.6 Hz),5.06(s, 2H),6.87-6.93(m, 1H),7.02-7.03(m, 1H),7.13(d, 1H, J=8.3 Hz). ESIMS(m/z):556.8([M+Na]+).
O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(39)
4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジルアルコール(14)のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約7:1;219 mg, 0.457 mmol)を室温にてアセトン(8 ml)に溶解し、n-ヘキサン酸(531 mg, 4.57 mmol)を加えた後、氷浴を用いて反応液を冷却した。Novozym 435(45.8 mg)及び無水硫酸マグネシウム(224 mg)を加え、10分間攪拌した後に氷浴を外して16時間加熱還流した。反応途中にアセトンが蒸発したため、適宜アセトンを加えて補充した。続いて反応液を室温に戻し、固体を濾別した。ODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 57:43 →3:17)にて精製し、O-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(39)のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約9:1;103 mg, 0.179 mmol, 収率39%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.89(t, 3H, J=7.0 Hz),1.28-1.35(m, 4H),1.58-1.66(m, 2H),2.35(t, 2H, J=7.4 Hz),3.22-3.40(m, 4H),3.53-3.71(m, 5H),3.85-3.91(m, 3H),3.86(s, 3H),4.44(d, 1H, J=7.8 Hz),4.95(d, 1H, J=7.6 Hz),5.06(s, 2H),6.91(dd, 1H, J=1.9 Hz, 8.3 Hz),7.02(d, 1H, J=1.9 Hz),7.13(d, 1H, J=8.3 Hz). ESIMS(m/z):599.1([M+Na]+).
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシフェネチル]-8-メチルノナン酸エステル(40)
化合物40-1(5.00 g, 29.7 mmol)を室温にて酢酸エチル(40 ml)に溶解し、氷浴を用いて反応液を冷却した。Novozym 435(1.00 g)を加え、10分間攪拌した後に氷浴を外して18時間加熱還流した。続いて反応液を室温に戻し、固体を濾別した。濾液を減圧濃縮し、残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 1:19 → 1:3)にて精製し化合物40-2(4.59 g, 21.8 mmol, 収率73%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:2.00(s, 3H),2.83(t, 2H, J=7.1 Hz),3.84(s, 3H),4.21(t, 2H, J=7.1 Hz),6.65(dd, 1H, J=1.9 Hz, 8.0 Hz),6.72(d, 1H, J=8.0 Hz),6.80(d, 1H, J=1.9 Hz). ESIMS(m/z):233.0([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.6 Hz),1.16-1.21(m, 2H),1.29-1.32(m, 6H),1.49-1.60(m, 3H),2.30(t, 2H, J=7.4 Hz),2.89(t, 2H, J=6.9 Hz),3.44-3.94(m, 18H),3.86(m, 3H),4.27(t, 2H, J=6.9 Hz),4.90(d, 1H, J=7.3 Hz),5.16(d, 1H, J=3.9 Hz),5.20(d, 1H, J=3.8 Hz),6.79(dd, 1H, J=2.0 Hz, 8.3 Hz),6.91(d, 1H, J=2.0 Hz),7.10(d, 1H, J=8.3 Hz). ESIMS(m/z):808.9([M+H]+),830.9([M+Na]+),846.7([M+K]+).
O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシフェネチル]-n-ヘキサン酸エステル(41)
混合物である化合物40-4(118 mg, 0.169 mmol)を室温にてアセトン(5 ml)及びジオキサン(3 ml)の混合溶媒に溶解し、n-ヘキサン酸(196 mg, 1.69 mmol)を加えた後、氷浴を用いて反応液を冷却した。Novozym 435(36.6 mg)及び無水硫酸マグネシウム(118 mg)を加え、10分間攪拌した後に氷浴を外して17時間50℃にて加熱攪拌した。反応途中にアセトンが蒸発したため、適宜アセトンを加えて補充した。続いて反応液を室温に戻し、固体を濾別した。ODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 100:0 →17:3 → 0:100)にて精製した。精製が不十分であったため、得られたサンプルに対して更にジエチルエーテルにてスラリー洗浄を行い、O-[4-(β-D-マルトトリオシルオキシ)-3-メトキシフェネチル]-n-ヘキサン酸エステル(41)のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約4:1;51.5 mg, 0.0684 mmol, 収率94%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.91(t, 3H, J=7.0 Hz),1.23-1.35(m, 4H),1.55-1.62(m, 2H),2,29(t, 2H, J=7.4 Hz),2.89(t, 2H, J=6.8 Hz),3.43-3.93(m, 18H),3.87(s, 3H),4.27(t, 2H, J=6.8 Hz),4.90(d, 1H, J=7.8 Hz),5.16(d, 1H, J=3.8 Hz),5.22(d, 1H, J=3.9 Hz),6.74(dd, 1H, J=1.9 Hz, 9.8 Hz),6.91(d, 1H, J=1.9 Hz),7.11(d, 1H, J=9.8 Hz). ESIMS(m/z):775.0([M+Na]+).
O-[4-(β-D-マルトシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(42)
D-マルトース(42-1)(10.1 g, 28.2 mmol)を室温にてピリジン(40 ml)に溶解した後、氷浴を用いて反応液を冷却し、無水酢酸(19.6 ml, 207 mmol)を加え、反応液を室温に昇温して20.5時間攪拌した。薄層クロマトグラフィー(TLC)にて原料の残存を確認したため、氷浴を用いて反応液を冷却し、ピリジン(24 ml)と無水酢酸(12 ml, 127 mmol)を加え、氷浴を外して室温にて3時間攪拌した。氷浴を用いて反応液を冷却し、水(100 ml)をゆっくり加えた後、氷浴を外して室温にて酢酸エチル(100 ml)で5回抽出を行った。合わせた有機層を3N HCl(100 ml)で2回、続いて水(100 ml)、飽和炭酸水素ナトリウム水溶液(100 ml)、15%食塩水(100 ml)で洗浄した。有機層を無水硫酸マグネシウムで乾燥し、固体を濾別後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 46:54 → 66:34)にて精製し、D-マルトースオクタアセテート(3.29 g)、及びD-マルトースヘプタアセテートと化合物42-2の混合物(13.6 g)を無色固体として得た。混合物については室温にてピリジン(21 ml)に溶解した後、氷浴を用いて反応液を冷却し、無水酢酸(10.5 ml, 111 mmol)とN,N-ジメチル-4-アミノピリジン(266 mg, 2.17 mmol)を加え、反応液を室温に昇温して4時間攪拌した。氷浴を用いて反応液を冷却し、水(100 ml)をゆっくり加えた後、氷浴を外して室温にて酢酸エチル(100 ml)で5回抽出を行った。合わせた有機層を3N HCl(100 ml)で2回、水(100 ml)、飽和炭酸水素ナトリウム水溶液(100 ml)続いて15%食塩水(100 ml)で洗浄した。有機層を無水硫酸マグネシウムで乾燥し、固体を濾別後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 46:54 → 66:34)にて精製し、化合物42-2のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;14.3 g)を白色固体として得た(計17.6 g, 26.0 mmol, 収率92%)。
1H-NMR(400 MHz, CDCl3)δ:2.00(s, 3H),2.02(s, 3H),2.02(s, 3H),2.03(s, 3H),2.05(s, 3H),2.10(s, 3H),2.10(s, 3H),2.14(s, 3H),3.84(ddd, 1H, J=2.6 Hz, 4.2 Hz, 10.1 Hz),3.94(ddd, 1H, J=2.4 Hz, 4.2 Hz, 10.1 Hz),4.01-4.07(m, 2H),4.21-4.26(m, 2H),4.46(dd, 1H, J=2.4 Hz, 12.3 Hz),4.86(dd, 1H, J=4.0 Hz, 10.5 Hz),4.98(dd, 1H, J=4.0 Hz, 10.5 Hz),4.98(dd, 1H, J=8.2 Hz, 9.2 Hz),5.06(dd, 1H, J=10.0 Hz, 10.0 Hz),5.27-5.38(m, 2H),5.41(d, 1H, J=4.0 Hz),5.74(d, 1H, J=8.2 Hz). ESIMS(m/z):701.0([M+Na]+),716.8([M+K]+ ).
1H-NMR(400 MHz, CDCl3)δ:2.01(s, 3H),2.02(s, 3H),2.03(s, 3H),2.06(s, 3H),2.07(s, 3H),2.10(s, 3H),2.15(s, 3H),3.95-4.02(m, 2H),4.06(dd, 1H, J=2.2 Hz, 12.4 Hz),4.21-4.26(m, 3H),4.28-4.52(m, 1H),4.78-4.81(m, 1H),4.87(dd, 1H, J=4.0 Hz, 10.5 Hz),5.06(dd, 1H, J=9.8 Hz, 9.8 Hz),5.28-5.41(m, 2H),5.45(d, 1H, J=4.0 Hz),5.59(dd, 1H, J=8.9 Hz, 10.2Hz). ESIMS(m/z):659.0([M+Na]+),675.0([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:2.01(s, 3H),2.03(s, 3H),2.04(s, 3H),2.05(s, 3H),2.05(s, 3H),2.10(s, 3H),2.11(s, 3H),2.11(s, 3H),3.77(ddd, 1H, J=2.5 Hz, 4.6 Hz, 10.0 Hz),3.82(s, 3H),3.97(ddd, 1H, J=2.3 Hz, 3.9 Hz, 10.0 Hz),4.04-4.13(m, 2H),4.23-4.30(m, 2H),4.49(dd, 1H, J=2.9 Hz, 12.0 Hz),4.87(dd, 1H, J=4.0 Hz, 10.5 Hz), 5.00-5.14(m, 3H),5.04(s, 2H),5.32(dd, 1H, J=8.9 Hz, 8.9 Hz),5.37(dd, 1H, J=9.6 Hz, 10.4 Hz),5.44(d, 1H, J=4 Hz),6.88-6.91(m, 2H),7.07(d, 1H, J=7.9 Hz). ESIMS(m/z):837.0([M+Na]+),852.8([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:3.26-3.32(m, 1H),3.82(s, 3H),3.47(dd, 1H, J=3.8 Hz, 9.8 Hz),3.51-3.59(m, 2H),3.61-3.78(m, 5H),3.82-3.92(m, 3H),3.82(s, 3H),4.56(s, 2H),4.93(d, 1H, J=7.8 Hz),5.22(d, 1H, J=3.8 Hz),6.90(dd, 1H, J=1.9 Hz, 8.3 Hz),7.05(d, 1H, J=1.9 Hz),7.15(d, 1H, J=8.3 Hz). ESIMS(m/z):500.8([M+Na]+),516.9([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.91(t, 3H, J=7.0 Hz),1.27-1.40 (m, 4H),1.60-1.68 (m, 2H),2.37(t, 2H, J=7.4 Hz),3.26-3.36(m, 1H),3.47(dd, 1H, J=3.8 Hz, 9.7 Hz),3.52-3.60(m, 2H),3.61-3.79(m, 5H),3.82-3.93(m, 3H),3.88(s, 3H),4.95(d, 1H, J=7.8 Hz),5.07(s, 2H),5.22(d, 1H, J=3.8 Hz),6.93(dd, 1H, J=2.1 Hz, 8.3 Hz),7.04(d, 1H, J=2.1 Hz),7.16(d, 1H, J=8.3 Hz). ESIMS(m/z):598.9([M+Na]+),615.0([M+K]+).
O-[4-(β-D-マルトシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(43)
化合物42-5(99.0 mg, 0.207 mmol)を室温にてアセトン(4 ml)に懸濁させ、8-MNA(364 mg, 2.11 mmol)を室温にて混合した後、Novozym 435(52.5 mg)とモレキュラーシーブ 3A(102 mg)を加えた。更にアセトン(4 ml)を加え、反応液を加熱還流条件下、17時間攪拌した。続いて反応液を室温に戻し、反応液にメタノール(10 ml)を加えた後、酵素とモレキュラーシーブを濾別し、濾液を減圧濃縮した。残渣をODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 70:30 → 35:65)にて精製した。精製が不十分であったため、得られた油状物質をPTLCで精製しO-[4-(β-D-マルトシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(43)のβ体とα体の混合物(1H-NMRの解析結果、β体:α体の比が約10:1;8.00 mg, 0.0126 mmol, 収率6%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.5 Hz),1.15-1.23 (m, 2H),1.28-1.39 (m, 6H),1.48-1.58(m, 1H),1.59-1.67(m, 2H),2.37(t, 2H, J=7.3 Hz),3.29-3.36(m, 1H),3.47(dd, 1H, J=3.8 Hz, 9.7 Hz),3.52-3.59(m, 2H),3.60-3.78(m, 5H),3.82-3.93(m, 3H),3.88(s, 3H),4.95(d, 1H, J=7.8 Hz),5.07(s, 2H),5.22(d, 1H, J=3.7 Hz),6.93(dd, 1H, J=2.1 Hz, 8.3 Hz),7.04(d, 1H, J=2.1 Hz),7.16(d, 1H, J=8.3 Hz). ESIMS(m/z):655.1([M+Na]+),671.0([M+K]+).
O-3-[4-(β-D-グルコピラノシル-(1→4)-β-D-グルコピラノシルオキシ)-3-メトキシフェニル]-2-プロペニル-8-メチルノナン酸エステル(44)
化合物44-1(615 mg, 3.41 mmol)を室温にて酢酸エチル(12 ml)に溶解した後、Novozym 435(185 mg)を加え、19時間加熱還流を行った。薄層クロマトグラフィー(TLC)にて原料の残存を確認したため、Novozym 435(90.3 mg)と酢酸エチル(10 ml)を加え、更に6時間過熱還流した。続いて反応液を室温に戻し、Novozym 435を濾別して濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 25:75 → 45:55)にて精製し、化合物44-2(733 mg, 3.30 mmol, 収率97%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:2.10 (s, 3H),3.91 (s, 3H),1.44-1.58(m, 1H),4.71(dd, 2H, J=1.3 Hz, 6.6 Hz),6.14(ddd, 1H, J=15.8 Hz, 6.6 Hz, 6.6 Hz),6.58(d, 1H, J=15.8 Hz),6.85-6.92(m, 3H).
1H-NMR(400 MHz, CDCl3)δ:1.98(s, 3H),2.01(s, 3H),2.03(s, 3H),2.05(s, 3H),2.07(s, 3H),2.09(s, 3H),2.10(s, 3H),2.11(s, 3H),3.41-3.64(m, 2H),3.82(s, 3H),3.82-3.88(m, 1H),4.06(dd, 1H, J=2.1 Hz, 12.4 Hz),4.11-4.14(m, 1H),4.38(dd, 1H, J=4.6 Hz, 12.4 Hz),4.51-4.56(m, 2H),4.71(dd, 2H, J=1.0 Hz, 6.5 Hz),4.90-4.96(m, 2H),5.07(dd, 1H, J=9.7 Hz, 9.7 Hz),5.13-5.28(m, 3H),6.19(ddd, 1H, J=15.8 Hz, 6.5 Hz, 6.5 Hz),6.58(d, 1H, J=15.8 Hz),6.87(dd, 1H, J=1.9 Hz, 8.3 Hz),6.92(d, 1H, J=1.9 Hz),7.02(d, 1H, J=8.3 Hz). ESIMS(m/z):862.9([M+Na]+),879.0([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:3.19-3.37(m, 3H),3.51-3.76(m, 6H),3.90(s, 3H),3.86-3.95(m, 3H),4.23(dd, 2H, J=1.5 Hz, 5.9 Hz),4.46(d, 1H, J=7.9 Hz),4.95(d, 1H, J=7.5 Hz),6.30(ddd, 1H, J=16.0 Hz, 5.9 Hz, 5.9 Hz),6.57(d, 1H, J=16.0 Hz), 6.96(dd, 1H, J=2.0 Hz, 8.4 Hz),7.09-7.12(m, 2H). ESIMS(m/z):527.0([M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.7 Hz),1.15-1.25 (m, 2H),1.26-1.41 (m, 6H),1.48-1.57(m, 1H),1.61-1.69(m, 2H),2.38(t, 2H, J=7.5 Hz),3.24-3.42(m, 4H),3.54-3.75(m, 5H),3.88-3.995(m, 3H),3.89(s, 3H),4.46(d, 1H, J=7.8 Hz),4.72-4.74(dd, 2H, J=0.6 Hz, 6.4 Hz),4.96(d, 1H, J=7.6 Hz),6.27(ddd, 1H, J=15.9 Hz, 6.4 Hz, 6.4 Hz),6.64(d, 1H, J=15.9 Hz),6.98(dd, 1H, J=1.9 Hz, 8.3 Hz),7.00-7.13(m, 2H). ESIMS(m/z):681.0([M+Na]+),697.0([M+K]+).
O-[4-(α-L-ラムノシルオキシ)-3-メトキシベンジル]-n-ヘキサン酸エステル(45)
L-ラムノース一水和物(45-1)(5.00 g, 27.5 mmol)を室温にてピリジン(31 ml)に溶解した後、氷浴を用いて反応液を冷却し、無水酢酸(15.5 ml, 164 mmol)を加え、反応液を室温に昇温して13時間攪拌した。氷浴を用いて反応液を冷却し、水(50 ml)をゆっくり加えた後、氷浴を外して室温にて酢酸エチル(50 ml)で3回抽出を行った。合わせた有機層を3N HCl(50 ml)で2回、続いて水(50 ml)、飽和炭酸水素ナトリウム水溶液(50 ml)、15%食塩水(50 ml)で洗浄した。有機層を無水硫酸マグネシウムで乾燥し、固体を濾別後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 5:95 → 30:70)にて精製し、化合物45-2のα体とβ体の混合物(1H-NMRの解析結果よりα体:β体の比を求めることは困難;9.07 g, 27.3 mmol, 収率99%)を無色の油状物質として得た。
1H-NMR(400 MHz, CDCl3)δ:1.24(d, 3H, J=6.2 Hz),2.01(s, 3H),2.06(s, 3H), 2.16(s, 3H),2.17(s, 3H),3.94(ddd, 1H, J=0.5 Hz, 6.2 Hz, 10.0 Hz),5.18-5.15(m, 1H),5.25(dd, 1H, J=1.8 Hz, 3.5 Hz),5.31(dd, 1H, J=3.5 Hz, 10.0 Hz),6.02(d, 1H, J=1.8 Hz). ESIMS(m/z):355.0([M+Na]+),370.9([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:1.23(d, 3H, J=6.4 Hz),2.00(s, 3H),2.06(s, 3H), 2.20(s, 3H),2.81(d, 1H, J=3.9 Hz),4.08-4.17(m, 1H),5.17(dd, 1H, J=1.9 Hz, 3.9 Hz),5.28(dd, 1H, J=1.9 Hz, 3.5 Hz),5.38(dd, 1H, J=3.5 Hz, 10.2 Hz). ESIMS(m/z):12.9([M+Na]+),328.9([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:1.29(d, 3H, J=7.1 Hz),2.01(s, 3H),2.06(s, 3H),2.10(s, 3H),2.28(s, 3H),3.54(dd, 1H, J=6.2 Hz, 9.2 Hz),3.83(s, 3H),5.04(s, 2H),5.04-5.13(m, 3H),5.71(dd, 1H, J=1.1 Hz, 3.2 Hz),6.87(dd, 1H, J=2.0 Hz, 8.2 Hz),6.90(d, 1H, J=2.0 Hz),7.05(d, 1H, J=8.1 Hz). ESIMS(m/z):490.9([M+Na]+),506.7([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:1.33(d, 3H, J=6.0 Hz),3.34-3.45(m, 2H),3.50(dd, 1H, J=3.2, 9.3Hz),3.89(s, 3H),4.12(dd, 1H, J=0.9 Hz, 3.2Hz),4.57(s, 2H),5.06(d, 1H, J=0.9 Hz),6.89(dd, 1H, J=1.9 Hz, 8.3 Hz),7.05(d, 1H, J=1.9 Hz),7.09(d, 1H, J=8.3 Hz). ESIMS(m/z):323.0([M+Na]+),338.9([M+K]+).
1H-NMR(400 MHz, methanol-d4)δ:0.91(t, 3H, J=6.7 Hz),1.27-1.39 (m, 4H),1.34(d, 3H, J=6.2 Hz),1.59-1.68(m, 2H),2.37(t, 2H, J=7.4 Hz),3.35-3.46(m, 2H),3.51(dd, 1H, J=3.2 Hz, 9.0 Hz),3.88(s, 3H),4.12(brd, 1H, J=2.7 Hz),5.08(s, 2H),5.09(brs, 1H),6.92(dd, 1H, J=1.9 Hz, 8.2 Hz),7.04(d, 1H, J=1.9 Hz),7.10(d, 1H, J=8.2 Hz). ESIMS(m/z):420.9([M+Na]+),436.9([M+K]+).
O-[4-(α-L-ラムノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(46)
化合物45-5(100 mg, 0.334 mmol)を室温にてアセトン(5 ml)に懸濁させ、8-MNA(572 mg, 3.32 mmol)を室温にて加えた後、Novozym 435(50.4 mg)とモレキュラーシーブ 3A(99.5 mg)を加えた。更にアセトン(5 ml)を加え、反応液を加熱還流条件下、16時間攪拌した。続いて反応液を室温に戻し、メタノール(10 ml)を加えた後、Novozym 435とモレキュラーシーブを濾別し、濾液を減圧濃縮した。得られた油状物質に-78℃でヘキサン(20 ml)を加えた後、室温まで昇温し固体を濾取した。この固体をODSカラムクロマトグラフィー(グラジエント; 水:メタノール = 70:30 → 10:90)にて精製し、O-[4-(α-L-ラムノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(46)のα体(62.6 mg, 0.137 mmol, 収率41%)を無色固体として得た。
1H-NMR(400 MHz, methanol-d4)δ:0.89(d, 6H, J=6.7 Hz),1.15-1.23 (m, 2H),1.28-1.39 (m, 6H),1.34(d, 3H, J=5.9 Hz),1.50-1.57(m, 1H),1.59-1.67(m, 2H),2.37(t, 2H, J=7.3 Hz),3.35-3.44(m, 2H),3.51(dd, 1H, J=3.2 Hz, 9.1 Hz),3.89(s, 3H),4.12(dd, 1H, J=1.0 Hz, 3.2 Hz),5.08(s, 2H),5.09(d, 1H, J=1.0 Hz),6.93(dd, 1H, J=2.1 Hz, 8.2 Hz),7.05(d, 1H, J=2.1 Hz),7.10(d, 1H, J=8.2 Hz). ESIMS(m/z):477.0([M+Na]+),492.8([M+K]+).
N-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナンアミド(47)
アルゴン雰囲気下、化合物2(159 mg, 0.458 mmol)を室温にてトルエン(2.0 ml)に溶解し、トリフェニルホスフィン(118 mg, 0.347 mmol)及び化合物27-2(99.8 mg, 0.450 mmol)を加えた。氷浴を用いて反応液を冷却し、アゾジカルボン酸ジエチル2.2 Mトルエン溶液(0.21 ml, 0.462 mmol)を滴下した後、氷浴を外して室温に昇温し、3時間攪拌した。反応溶液を減圧濃縮し、不溶物を濾別した後、濾液を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(グラジエント; 酢酸エチル:n-ヘキサン = 27:73 → 43:57)にて精製し、化合物47-1のβ体とα体の混合物(1H-NMRの解析結果よりβ体:α体の比を求めることは困難;48.1 mg, 0.0779 mmol, 収率22%)を無色固体として得た。
1H-NMR(400 MHz, CDCl3)δ:3.85(s, 3H), 4.30(d, 2H, J=5.9 Hz),5.13(s, 2H), 5.60(brs, 1H), 6.75-6.83(m, 2H),6.85(d, 1H, J=8.1 Hz), 7.29-7.37(m, 5H). ESIMS(m/z):310.0([M+Na]+),326.0([M+K]+).
1H-NMR(400 MHz, CDCl3)δ:2.04(s, 3H),2.04(s, 3H),2.12(s, 3H),2.12(s, 3H),3.75(ddd, 1H, J=2.5 Hz, 5.1 Hz, 10.0 Hz),3.83(s, 2H),3.83(s, 3H),4.16(dd, 1H, J=2.5 Hz, 12.2 Hz),4.28(dd, 1H, J=5.1 Hz, 12.2 Hz),4.91-4.94(m, 1H),5.14-5.19(m, 1H),5.24-5.32(m, 2H),6.81(dd, 1H, J=1.9 Hz, 8.1 Hz),6.89(d, 1H, J=1.9 Hz),7.08(d, 1H, J=8.1 Hz). ESIMS(m/z):483.8([M+Na]+),505.8([M+K]+),967.0([2M+H]+),989.0([2M+Na]+).
1H-NMR(400 MHz, methanol-d4)δ:0.90(d, 6H, J=6.7 Hz),1.15-1.23(m, 2H),1.27-1.40(m, 6H),1.48-1.58(m, 1H),1.60-1.69(m, 2H),2.24(t, 2H, J=7.3 Hz),3.39-3.52(m, 4H),3.67-3.73(m, 1H),3.87(s, 3H),3.86-3.90(m, 1H),4.32(s, 2H),4.86-4.89(m, 1H),6.84(dd, 1H, J=1.9 Hz, 8.3 Hz),6.96(d, 1H, J=1.9 Hz),7.13(d, 1H, J=8.3 Hz). ESIMS(m/z):491.9([M+Na]+),507.9([M+K]+).
継代培養したヒト大腸がん由来細胞株NCI-H716(ATCC)を、poly-D-lysineコーティング96ウェルプレートに1ウェルあたり1 x 105個の割合で播種した。37℃、5%CO2条件下で48時間培養後、培地を緩衝液(146 mM NaCl、5 mM KCl、1 mM MgSO4、5.5 mM Glucose、20 mM HEPES、1.5 mM CaCl2、0.2% BSA 、pH 7.4)に置換し、dimethyl sulfoxide(DMSO)にて一定濃度に調製したジヒドロカプシエイト(DCT)、ジヒドロカプシエイト配糖体およびそれらの構造類縁体である化合物4、12、47、27、20、18、16、30、32、32-3、34、35、36、24-2、33、14、22、23、24を添加した。37℃、5%CO2条件下で60分間処理した後、上清を回収し、上清中のGLP-1濃度をELISA法により測定した。対照群(0.1%DMSO処理群)におけるGLP-1濃度を1として各化合物の活性強度を表し、対照群よりもGLP-1濃度が高いものを活性ありとした。
試験例2で使用した配糖体ジヒドロカプシエイト(配糖体DCTと略す)は、実施例1で製造したO-[4-(β-D-グルコピラノシルオキシ)-3-メトキシベンジル]-8-メチルノナン酸エステル(4)(1H-NMRの解析結果、β体:α体の比が約8:1)である。
配糖体DCTを配合比0.459%(w/w)で30%ラードを含むAIN-93組成の餌に配合し(配糖体DCT食、又は配糖体食と略す)、マウスに摂取させたところ、配糖体DCTの長期摂取がマウスの摂食カロリー量を抑えることを確認した。対照として、7%ラードを含むAIN-93組成の餌(通常食と略す)、30%ラードを含むAIN-93組成の餌(高脂肪食と略す)、ジヒドロカプシエイト(DCT)0.3%(w/w)を配合した高脂肪食(DCT食と略す)をマウスに摂取させた。
本発明がその好ましい態様を参照して提示又は記載される一方、本明細書中において、添付の請求の範囲で包含される発明の範囲を逸脱することなく、形態や詳細の様々な変更をなし得ることは当業者に理解されるであろう。本明細書中に示され又は参照されたすべての特許、特許公報及びその他の刊行物は、参照によりその全体が取り込まれる。
Claims (26)
- 式(I'’)で表されることを特徴とする、化合物。
(式中、R11、R12、R13、R14及びR15は、その少なくとも1つがG-O-基である(ここで、Gは糖残基を示す。)以外は、それぞれ独立して、水素原子、水酸基、C1-6アルキル基、C1-6アルコキシ基、C1-6アルキル-カルボニルオキシ基又はG-O-基を示し、
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y1はメチレン基、エチレン基又は1~3個の二重結合を含む炭素数2~15のアルケニレン基を示し(ここで、二重結合はシス又はトランスのいずれでもよい。)、
R16及びR17は、それぞれ独立して、水素原子、メチル基又はエチル基を示し、又はR16及びR17は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。) - 式(I''-b)で表されることを特徴とする、請求項1記載の化合物。
(式中、
R21は水素原子、R22はメトキシ基、R23はG-O-基を示すか、又は
R21はG-O-基、R22はメトキシ基、R23は水素原子を示すか、又は
R21は水素原子、R22はG-O-基、R23はメトキシ基を示し(ここで、Gは糖残基を示す。)、
X3はメチレン基、エチレン基又は-CH=CH-CH2-を示し、
X2は-CO-O-又は-O-CO-を示し、
p及びqはそれぞれp+q=0~8の関係を満たす0から7の整数を示し、
Y2はメチレン基、エチレン基又はビニレン基を示し、
R24及びR25は、それぞれ独立して、水素原子又はメチル基を示し、又はR24及びR25は、それらが結合する炭素原子と一緒になってC3-6シクロアルカンを形成する。) - 請求項1~9のいずれか1項に記載の化合物を含有することを特徴とする、GLP-1分泌促進剤。
- 請求項1~9のいずれか1項に記載の化合物を含有することを特徴とする、医薬品組成物。
- 請求項1~9のいずれか1項に記載の化合物を含有することを特徴とする、食品組成物。
- 請求項1~9のいずれか1項に記載の化合物を含有することを特徴とする、化粧料組成物。
- 下記(a工程)及び(b工程)を含有することを特徴とする、請求項4記載の化合物の製造方法。
(a工程)式(II)
(式中、Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)で表される化合物と、式(V)又は(VI)
(式中、R1、R2、R3、R4、R5、R6、R7及びR8は、それぞれ独立して、水酸基の保護基を示し、
R20は水素原子又は水酸基の保護基を示す。)で表される化合物を反応させて、式(VII)又は(VIII)で表される化合物を得る工程、
(式中、R1、R2、R3、R4、R5、R6、R7及びR8は、それぞれ独立して、水酸基の保護基を示し、
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。)
(b工程)式(VII)又は(VIII)で表される化合物の水酸基の保護基を脱保護する工程。 - (b工程)の脱保護をリパーゼの存在下で行うことを特徴とする、請求項19記載の製造方法。
- 下記(a工程)、(b工程)及び(c工程)を含有することを特徴とする、請求項4記載の化合物の製造方法。
(a工程)式(IX)で表される化合物と、
(式中、R9は水酸基の保護基を示す。)
式(V)又は(VI)で表される化合物を反応させて、式(X)又は(XI)で表される化合物を得る工程、
(式中、R1、R2、R3、R4、R5、R6、R7及びR8は、それぞれ独立して、水酸基の保護基を示し、
R20は水素原子又は水酸基の保護基を示す。)
(式中、R1、R2、R3、R4、R5、R6、R7、R8及びR9は、それぞれ独立して、水酸基の保護基を示す。)
(b工程)式(X)又は(XI)で表される化合物の水酸基の保護基を脱保護して、式(XII)又は(XIII)で表される化合物を得る工程、
(c工程)式(XII)又は(XIII)で表される化合物と、式(IV)で表される化合物又はその塩を反応させる工程。
(式中、R10は水素原子又はC1-6アルキル基を示し、
Yはエチレン基又はビニレン基を示し、
Rは水素原子又はメチル基を示し、
nは3~5の整数を示す。) - 請求項1~9のいずれか1項に記載の化合物を哺乳動物に有効量投与することを特徴とする、該哺乳動物におけるGLP-1分泌促進方法。
- GLP-1分泌促進剤を製造するための請求項1~9のいずれか1項に記載の化合物の使用。
- 式(XV-1)で表されることを特徴とする、化合物。
(式中、R11、R12、R13、R14及びR15は、その少なくとも1つがG-O-基である(ここで、Gは糖残基を示し、保護基を有する糖残基も含まれる。)以外は、それぞれ独立して、水素原子、水酸基、C1-6アルキル基、C1-6アルコキシ基、C1-6アルキル-カルボニルオキシ基又はG-O-基を示し、
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示す。
但し、次の化合物を除く。
(1)R13がG-O-基を、Gがグルコシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(2)R13がG-O-基を、Gがグルコシル基を、R12が水酸基を、R11、R14及びR15が水素原子を、X1がメチレン基を示す化合物、
(3)R13がG-O-基を、Gがグルコシル基を、R12がメトキシ基を、R11、R14及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(4)R13がG-O-基を、Gがグルコシル基を、R12及びR14がメトキシ基を、R11及びR15が水素原子を、X1がメチレン基又はエチレン基を示す化合物、
(5)R13がG-O-基を、Gがマルトシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基を示す化合物、
(6)R11がG-O-基を、Gがグルコシル基又はマルトシル基を、R12、R13、R14及びR15が水素原子を、X1がメチレン基を示す化合物、及び
(7)R11がG-O-基を、Gがグルコシル基を、R12が水酸基又はメトキシ基を、R13、R14及びR15が水素原子を、X1がメチレン基を示す化合物。) - 式(XVII-1)で表されることを特徴とする、化合物又はその塩。
(式中、R11、R12、R13、R14及びR15は、その少なくとも1つがG-O-基である(ここで、Gは糖残基を示し、保護基を有する糖残基も含まれる。)以外は、それぞれ独立して、水素原子、水酸基、C1-6アルキル基、C1-6アルコキシ基、C1-6アルキル-カルボニルオキシ基又はG-O-基を示し、
X1は単結合、或いは、メチレン基、エチレン基、トリメチレン基、ビニレン基又は-CH=CH-CH2-を示し、
R19は水素原子又はC1-6アルキル基を示す。
但し、次の化合物を除く。
(1)R13がG-O-基を、Gがグルコシル基又はマンノシル基を、R11、R12、R14及びR15が水素原子を、X1がメチレン基を、R19が水素原子を示す化合物、
(2)R13がG-O-基を、Gがグルコシル基を、R11が水酸基を、R12、R14及びR15が水素原子を、X1がメチレン基を、R19が水素原子を示す化合物、
(3)R13がG-O-基を、Gがグルコシル基を、R12がメトキシ基を、R11、R14及びR15が水素原子を、X1がメチレン基またはエチレン基を、R19が水素原子を示す化合物、及び
(4)R13がG-O-基を、Gがグルコシル基を、R11、R12、R14及びR15が水素原子を、X1がエチレン基を、R19が水素原子を示す化合物。)
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| JP7020265B2 (ja) | 2018-04-18 | 2022-02-16 | 味の素株式会社 | カプシノイドの抽出方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103380140B (zh) | 2016-05-25 |
| CN103380140A (zh) | 2013-10-30 |
| WO2012086811A1 (ja) | 2012-06-28 |
| KR20140004142A (ko) | 2014-01-10 |
| JP5857975B2 (ja) | 2016-02-10 |
| KR102052874B1 (ko) | 2019-12-09 |
| EP2657244A1 (en) | 2013-10-30 |
| US9175028B2 (en) | 2015-11-03 |
| EP2657244B8 (en) | 2016-08-31 |
| JPWO2012086812A1 (ja) | 2014-06-05 |
| EP2657244B1 (en) | 2016-04-06 |
| EP2657244A4 (en) | 2014-06-25 |
| US20130288992A1 (en) | 2013-10-31 |
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