WO1999040081A1 - Novel antifungal compounds and process for producing the same - Google Patents
Novel antifungal compounds and process for producing the same Download PDFInfo
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- WO1999040081A1 WO1999040081A1 PCT/JP1999/000541 JP9900541W WO9940081A1 WO 1999040081 A1 WO1999040081 A1 WO 1999040081A1 JP 9900541 W JP9900541 W JP 9900541W WO 9940081 A1 WO9940081 A1 WO 9940081A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the present invention relates to a novel compound having antifungal activity or a salt thereof, a method for producing the compound, and a use thereof.
- fungi have been shown to be pathogenic to humans and animals and have been attributed to fungal infections. Fungal pathogens are generally weak, but can cause severe symptoms in patients with reduced resistance. Therefore, development of new drugs useful for the treatment is expected.
- certain fungi are known as phytopathogenic fungi, and development of new agricultural and horticultural antifungal agents is also awaited in terms of protection against plant diseases.
- due to the recent housing situation there is a problem of fungal fungi in houses.
- the invasion of filamentous fungi can cause symptoms such as allergies in humans, and the development of antifungal agents, especially new antibacterial agents, to prevent the occurrence of such symptoms is awaited. I have.
- JP-A-7-233165 discloses a part of a compound represented by the following formula (II). Generally, the compound of formula (II) is referred to as DK-2.
- R 1 represents a straight-chain or branched-chain saturated aliphatic hydrocarbon group or unsaturated aliphatic hydrocarbon group.
- a compound in which R 1 is an isoptyryl group (hereinafter referred to as UK-2A) and a compound in which R 1 is a tigloyl group (hereinafter referred to as UK- 2B), a compound in which R 1 is an isovaleryl group (hereinafter, referred to as UK-2C), and a compound in which R 1 is a 2-methylbutanoyl group (hereinafter, referred to as UK-2D) are disclosed as examples.
- UK-2A is an isoptyryl group
- UK- 2B a compound in which R 1 is a tigloyl group
- UK-2C a compound in which R 1 is an isovaleryl group
- UK-2D 2-methylbutanoyl group
- UK-2 has a 9-membered ring dilactone structure, and is compared with antimycins having a structure represented by the following formula (III): yeast perspergillus such as Candida, penicillium, mucoryl , against fungi including filamentous fungi such as Cladosporium, Rhizobus, Sucrechina, Trichoderma, etc., and has the same or higher antibacterial activity, and its cytotoxicity against cultured cells such as P388 is lower than that of antimycins. Its usefulness is expected to be much lower.
- yeast perspergillus such as Candida, penicillium, mucoryl
- fungi including filamentous fungi such as Cladosporium, Rhizobus, Sucrechina, Trichoderma, etc.
- cytotoxicity against cultured cells such as P388 is lower than that of antimycins. Its usefulness is expected to be much lower.
- Antimycin AR 6 -(CH 2 ) 5 CH 3
- Antimycin A 3 R 6 -(CH 2 ) 3 CH 3
- M-2 is isolated and produced as a fermentation product from a substance belonging to Streptoverticillium.
- the present inventor has now proposed a novel compound, which has a strong antifungal activity against fungal diseases, starting from UK-2, and is a target for the control of livestock and livestock. It has been found that it does not cause phytotoxicity to horticultural plants and has high photostability even when used for agricultural and horticultural plants.
- the present invention is based on such findings.
- an object of the present invention is to provide a novel compound useful for the prophylactic control of fungal diseases, a method for producing the same, and a novel antifungal agent using the novel compound.
- the compound according to the present invention is represented by the following formula (I):
- R 1 represents an isoptyryl group, a tigloyl group, an isovaleryl group, or a 2-methylbutanoyl group,
- R 2 represents a hydrogen atom, an aromatic carboxylic acid residue, or an amino protecting group
- R 3 represents a hydrogen atom, a nitro group, an amino group, an acylamino group, or an N, N-dialkylamino group (provided that R 1 is an isoptyryl group, a tigloyl group, an isovaleryl group, or a 2-methylbutanol group;
- R 3 is a hydrogen atom
- R 2 is a 3-hydroxypicolinic acid residue, 3-hydroxy-14-methoxypicolin Acid residue or 3,4-dimethoxypicolinic acid residue)]
- the strain Streptovertici Ilium sp. SAM2084 which is a microorganism producing the compound of formula (II), is based on FERM BP-6446 under the Institute of Biotechnology, National Institute of Advanced Industrial Science and Technology (1-1-3 Higashi, Tsukuba, Ibaraki, Japan) ).
- the depositary of this deposit is Santori Ichi Co., Ltd. (2-1-1, Dojimahama, Kita-ku, Osaka-shi, Japan).
- the original deposit of this deposit was made on February 17, 1994, and has the accession number FERM P-14154. The date of receipt of the transfer request to the deposit based on the Budapest Treaty was received on August 3, 1998. It is.
- an alkyl group and an alkoxy group as a group or a part of a group may be linear or branched.
- “halogen” means fluorine, chlorine, bromine or iodine.
- R 1 represents an isoptyryl group, a tigloyl group, an isopallinole group, or a 2-methylbutanoyl group.
- R 2 represents a hydrogen atom, an aromatic carboxylic acid residue, or an amino protecting group.
- R 3 represents a hydrogen atom, a nitro group, an amino group, an acylamino group, or an N, N-dialkylamino group.
- R 1 is an isoptyryl group, a tigloyl group, an isovaleryl group, or a 2-methylbutanol group
- R 3 is a hydrogen atom
- R 2 is a 3-hydroxypicolinic acid residue, and 3-hydroxy-4-methoxyethoxy group.
- Compounds that are choline residues or 3,4-dimethoxypicolinate residues are excluded from the scope of the present invention.
- the aromatic carboxylic acid residue represented by R 2 is preferably an aromatic heterocyclic carboxylic acid residue or a benzoic acid residue (ie, a benzoyl group).
- Aromatic heterocyclic carboxylic acid residue Specific examples of the group include a picolinic acid residue, a nicotinic acid residue, a 4-quinolinecarboxylic acid residue, a 5-pyrimidinecarboxylic acid residue, and a 2-quinoxalinecarboxylic acid residue.
- One or more hydrogen atoms on the aromatic ring of these aromatic carboxylic acid residues may be substituted.
- the substituent include a hydroxyl group, a halogen atom, a nitro group, an amino group, a di d- 6 alkylamino group (preferably, dimethylamino), a formylamino group, a d-6 alkyl group (preferably, a CH alkyl group, More preferably, methyl or ethyl), d-6 alkoxy group (preferably ⁇ ⁇ 4 alkoxy group, more preferably, methoxy or ethoxy), benzyloxy group, d—t.
- Fatty acid oxy group (One or more hydrogen atoms on the alkyl group of the aliphatic oxy group may be substituted.
- substituents include a carboxyl group, a benzyloxy carbonyl group, and a d- 4 alkyl group.
- aromatic carboxylic acid residue examples include:
- hydroxybenzoic acid residue preferably 2-hydroxybenzoic acid residue
- d-6 alkoxy group (preferably d-4 alkoxy group, more preferably methoxy or ethoxy),
- alkylcarbonyloxy group (preferably d- 4 alkylcarbonyl Oxy group, more preferably acetyloxy or propionyloxy, and the alkyl group portion may be further substituted by benzyloxycarbonylamino).
- d-6 alkoxycarbonyloxy group (preferably d-4 alkoxycarbonyloxy group)
- Alkylcarbonyloxy group (preferably d- 4 alkyl (more preferably methyl or ethyl) oxycarbonyl d-alkyl (preferably Ci-8 alkyl, more preferably d- 6 alkyl) carbonyloxy group ,
- Carboxy d-! O alkyl (preferably d- 6 alkyl) carboxy group
- a nicotinic acid residue substituted with a hydroxy group (preferably a 2-hydroxynicotinic acid residue)
- Ci-6 alkyl group (preferably d-4 alkyl, more preferably methyl or ethyl)
- a pyrimidine carboxylic acid residue substituted with a hydroxy group preferably a 4-hydroxy-15-pyrimidine carboxylic acid residue
- the hydroxybenzoic acid residue may be further substituted with one or more substituents, and examples of the substituent include a nitro group, an amino group and a di ⁇ group.
- substituents include a nitro group, an amino group and a di ⁇ group.
- - 6 alkylamino preferably Arukiruamino, the more favorable Mashiku methyl or Echiru
- formylamino group a halogen atom
- d - 6 alkoxy group preferably d-4 alkoxy group, more preferably main butoxy Or ethoxy.
- (2) more preferred examples of picolinic acid residues include those substituted with a d- 6 alkoxy group (most preferably a methoxy group).
- Preferred examples include those substituted with a d- 6 alkoxy group, and further having a hydroxy group, a d- 6 alkylcarbonyloxy group, a benzoyloxy group, a d- 6 alkoxycarbonyloxy group, and a d-6 alkyloxycarbonyl C i W a.
- Examples include those substituted with an alkylcarbonyloxy group, a di (d- 6 ) alkylphosphoryloxy group, or a diphenylphosphoryloxy group. Particularly, a picolinic acid residue having a d- 6 alkoxy group at the 4-position and further having the other substituent at the 3-position is mentioned.
- the amino protecting group represented by R 2 refers to a protecting group that can be removed and removed under a reducing condition or an acid treatment among ordinary amino protecting groups.
- Preferred amino protecting groups are, for example, benzyloxycarbonyl, p-nitrobenzoyloxycarbonyl, methoxy A carbonyl group and a t-butyloxycarbonyl group.
- a more preferred amino protecting group is a benzyloxycarbonyl group.
- the acyl of the acylamino group represented by R 3 includes, for example, Ci- 6 saturated and unsaturated aliphatic acyl groups (preferably, formyl group, acetyl group, propionyl group), and aromatic acyl groups (preferably having a substituent group). And a benzoyl group which may be possessed, for example, a benzoyl group, a P-methoxybenzoyl group and a p-nitrobenzoyl group), and particularly preferably a formyl group.
- Examples of the alkyl of the N, N-dialkylamino group represented by R 3 include a C- 4 alkyl group (preferably, a methyl group and an ethyl group).
- R 1 is Isopuchiriru group, tigloyl group, an isovaleryl group or a 2-Mechirubutanoiru group
- R 2 represents a hydrogen atom, an aromatic carboxylic acid residue or Amino protecting group
- R 3 A compound group representing a hydrogen atom is exemplified.
- R 1 in the formula (I) represents an isoptyryl group, a tigloyl group, an isovaleryl group, or a 2-methylptanoyl group
- R 2 is a hydroxyl group at the 3-position and a methyl group at the 4-position.
- Examples include compounds that represent a picolinyl group having a toxic group, and R 3 represents a nitro group, an amino group, an acylamino group, or an N, N-dialkylamino group.
- R 1 represents an isoptyryl group, a tigloyl group, an isovaleryl group, or a 2-methylbutanoyl group
- R 2 represents an acyloxy group at the 3-position and a methoxy group at the 4-position.
- R 3 Is a compound that represents a hydrogen atom, R 1 is an isoptyryl group, R 2 represents a picolinyl group having a hydroxy group at the 3-position and a methoxy group at the 4-position; R 3 represents a formylamino group or N , N-dimethylamino group.
- the compound of formula (I) may be present as a salt.
- the salt examples include a pharmaceutically acceptable salt.
- Specific examples of such salts include, for example, lithium, sodium, potassium, magnesium, calcium, and salts with ammonia and suitable non-toxic amines, such as d-6 alkylamine (eg, triethylamine) salt, d — 6 alkanolamines
- Carboxylic acids such as salt, acetic acid, trichloroacetic acid, trifluoroacetic acid, hydroxyacetic acid, lactic acid, citric acid, tartaric acid, oxalic acid, benzoic acid, mandelic acid, butyric acid, maleic acid, propionic acid, formic acid, and malic acid Salts, amino acids such as arginic acid, aspartic acid, gluta
- the compound of the formula (I) can be produced by carrying out various iridical reactions using 2-2 as a starting material.
- a process for producing a compound of formula (I) and a salt thereof is provided.
- the present inventors have conducted the following studies with the aim of producing a more useful, high-L, novel derivative using UK-2 having the above-mentioned great characteristics as a starting material. Done 0
- UK-2 has a form in which a 9-membered lactone moiety and a substituted pyridine ring moiety are linked via a carboxylic acid amide bond.
- the present inventors have succeeded in obtaining a 9-membered lactone having an amino group by chemically cleaving the carboxylic acid amide bond.
- This amino compound can be an important intermediate in producing UK-2 derivatives.
- the present inventors have succeeded in producing a novel compound useful as an antifungal agent by condensing an aromatic carboxylic acid different from UK-2 to this amino compound.
- the present inventors applied this iminoetherification method to M-2, and succeeded in obtaining the desired amino derivative as shown below.
- This method of obtaining amino derivatives from UK-2 using this iminoetherification method was the first success with compounds having a chemically unstable 9-membered dilactone structure such as UK-2 and antimycins. It is an example.
- the compounds of the formula (I) can preferably be prepared by the following methods.
- UK-2 can be used as a starting material for the compound of formula (I).
- M-2 can be obtained from a microorganism belonging to Streptovertici Ilium.
- a product belonging to the streptovatus strain can be obtained by isolating actinomycetes from a material separation source such as soil according to an ordinary method, and then selecting a strain that produces the compound of the above formula (II) from these strains. Can be.
- actinomycetes named Streptovertici Ilium sp. SAM2084 described in the section of the deposit of the above-mentioned substance can be mentioned.
- the method for culturing bacteria of the microorganism SAM2084 and isolating and purifying UK-2, which is the compound of the formula (II), from the culture broth should be carried out in accordance with the description in JP-A-7-232331. Can be.
- a UK-2 amino derivative can be produced by chemical cleavage of a carboxylic acid amide bond of M-2.
- the starting material UK-2 is dissolved in an inert organic solvent, a chlorinating agent is added, and the mixture is heated to reflux to carry out the reaction.
- the amount of the chlorinating agent to be added is 1 to 10 molar equivalents, preferably 2 to 3 molar equivalents.
- the reaction time is 1 hour to 5 hours, preferably 1 to 3 hours.
- the reaction temperature is 0 ° C to 80 ° C, preferably 30 ° C to 40 ° C.
- the corresponding iminochlor form is formed by this reaction.
- After completion of the reaction cool the reaction solution to 130 ° C to 120 ° C.
- To the cooled reaction solution add 10- to 100-fold lower alcohol (cooled to 0 ° C to 5 ° C) of the starting material, UK-2, to react.
- the reaction time is 1 hour to 15 hours, preferably 2 hours to 3 hours, and the reaction temperature is 0 ° C to 50 ° C, preferably 15 ° C to 25 ° C. This results in the formation of the corresponding imino ether.
- the imino ether form is easily hydrolyzed by treatment with water to produce the desired 11-2 amino derivative.
- This chemical reaction is as shown in the following chemical reaction formula 1.
- the chlorinating agent used is typically phosphorus pentachloride.
- the lower alcohol to be used includes linear or branched alcohols, for example, methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol and isoptyl alcohol.
- the resulting 9-membered ring dilactone / ⁇ -2amino derivative has a free amino group and a dilactone structure. Structures are coexisting, and it is easy to cause decomposition. Therefore, it is problematic to perform isolation and purification operations in this form, and to store them for a long period of time.
- the free amino group of the desired UK-2 amino derivative is converted into a salt, for example, p-toluenesulfonate or hydrochloride, and a protecting group which can be easily introduced and removed, for example, a benzyloxycarbonyl group, Purify and isolate in a form protected by nitrobenzyloxycarbonyl group, methoxycarbonyl group, t-butyloxycarbonyl group, etc., and store it.Return to the free amino group immediately before use or in the reaction system. Desirable to be subjected to condensation reaction 0
- R 1 is a group defined in the formula
- R 2 is an aromatic carboxylic acid residue
- R 3 is From the compound which is a nitro group or an N, N-dialkylamino group, the corresponding amino compound and its protected amino compound can be obtained by the above reaction.
- the UK-2 amino derivative obtained by the above method may be any aromatic carboxylic acid, aromatic carboxylic acid chloride, aromatic carboxylic anhydride, or aromatic carboxylic acid active ester. Reacts easily with etc.
- a compound of the formula (I) in which R 1 is a group defined in the formula, R 2 is an aromatic carboxylic acid residue, and R 3 is a hydrogen atom can be produced.
- a compound of the formula (I) having a corresponding aromatic carboxylic acid residue can be obtained by treating a UK-2 amino derivative with an aromatic carboxylic acid in an inert solvent with a dehydration-condensation reagent and performing an ester condensation reaction. Can be manufactured.
- Examples of the dehydration-condensation reagent include dicyclohexyl rubodiimide, 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride, and a combination of dicyclohexyl carbodiimide and 1-hydroxybenzotriazole. And the like.
- aromatic carboxylic acid chloride When an aromatic carboxylic acid chloride, an aromatic carboxylic acid anhydride, or an aromatic carboxylic acid active ester in which the reactivity of the aromatic carboxylic acid has been activated in advance is used, the aromatic carboxylic acid is converted into a salt.
- R 1 is a group as defined in the formula
- R 2 is a hydrogen atom
- R 3 is a nitro group, an acylamino group or an N, N-dialkylamino group.
- the corresponding aromatic carboxylic acid amide is obtained in the same manner from the compound of the formula (I).
- carboxylic acid amides exhibit strong antifungal activity and have an excellent preventive or therapeutic effect on various plant diseases without phytotoxicity.
- a heterocyclic carboxylic acid derivative having a hydroxyl group at the carbon atom adjacent to the carbon atom to which the amide group is bonded, and having at least one nitrogen atom as a ring-constituting atom, unsubstituted or nitrogen-containing at the 3- and 5-positions
- Salicylic acid derivatives substituted with a group (nitro group, forminoreamino group, N, N-dimethylamino group, etc.), phenol, etc. showed particularly high activity.
- R 1 and R 3 are the respective groups defined in the formula, and R 2 is an aromatic carboxylic acid residue having an acyloxy group as a substituent.
- the compound (I) can be produced by the following method.
- acylation methods for hydroxyl groups can be applied to the acylation method used in the present invention.
- acid anhydrides such as benzoic acid, d- 6 saturated or unsaturated aliphatic carboxylic acids, and aromatic carboxylic acids in or without an inert solvent such as methylene chloride, chloroform, 1,4-dioxane, and tetrahydrofuran.
- acetic anhydride, propionic anhydride, benzoic anhydride, etc. and a tertiary organic base such as pyridine, triethylamine, or the corresponding acid chloride (for example, chloridasecetyl, propionyl chloride, bivaloyl chloride, chloride) Benzoyl) and the above tertiary organic base Or a combination of a corresponding free carboxylic acid or an amino acid protected with an amino group and a dehydrating condensing agent such as dicyclohexylcarbodiimide.
- a tertiary organic base such as pyridine, triethylamine, or the corresponding acid chloride (for example, chloridasecetyl, propionyl chloride, bivaloyl chloride, chloride) Benzoyl) and the above tertiary organic base Or a combination of a corresponding free carboxylic acid or an amino acid protected with an amino group and a dehydrating
- a dicarboxylic acid dichloride represented by succinic acid dichloride, pimelic acid dichloride, etc.
- a monochloride (compound C) can be efficiently formed by reacting compound A with 1 molar equivalent or a slight excess of chloride.
- the alcohols used include, for example, primary alcohols such as methanol, ethanol and benzyl alcohol, secondary alcohols such as isopropanol, and tertiary alcohols such as t-butyl alcohol.
- the obtained compound D can produce free rubonic acid type compound E by a deesterification reaction according to the properties of each ester.
- R 1 and R 3 are each groups defined in the formula,
- a compound of the formula (I) wherein R 2 is an aromatic carboxylic acid residue having a phosphoryloxy group as a substituent (compound F; R 6 represents a d- 6 alkyl group or a phenyl group) is prepared by the following method Can also be manufactured.
- UK-2 or R 1 and R 3 are each group defined in the formula, and R 2 is an aromatic carboxylic acid residue having a hydroxyl group as a substituent.
- the compound (I) of formula (I) is subjected to phosphorylation of a hydroxyl group.
- the corresponding compound of the formula (I) (compound F) in which the hydroxyl group of the aromatic carboxylic acid residue represented by R 2 is phosphorylated is obtained at a high yield.
- This chemical reaction is as shown in the following chemical reaction formula 4.
- the phosphorylation method used in the present invention most of known phosphoryl esterification can be applied.
- a tertiary organic base such as pyridine or triethylamine
- an inert solvent such as methylene chloride, chloroform-form, 1,4-dioxane, or tetrahydrofuran
- phosphoric acid diester monochloride diphenyl phosphate chloride, (Getyl phosphate chloride).
- dimethylaminopyridine can be added as a reaction accelerator.
- R 1 is a group as defined in the formula
- R 2 is an aromatic carboxylic acid residue
- R 3 is a nitro group, an amino group, an acylamino group, or N
- the compound of formula (I), which is an N-dialkylamino group, can be produced by the following chemical reaction (modification).
- a compound (compound G) in which R 3 is a hydrogen atom (compound G) among the compounds (for example, compound A) obtained by the production method of the above (2) or (3) is used as a starting material .
- nitro substitution without decomposing, nitro group is selectively introduced into the benzene ring (para position) of compound G.
- R 1 is a group defined in the formula. Wherein R 2 is an aromatic carboxylic group and R 3 is a nitro group) in high yield.
- the nitration reaction used in the present invention a commonly used reaction can be used.
- fuming nitric acid as a strong nitrating agent in a low-temperature (120 ° C to 150 ° C) methylene chloride or chloroform solvent.
- the nitration reaction time is preferably 1 hour to 2 hours.
- the obtained compound H can be subjected to a chemical transformation that can be performed on a normal aromatic nitrous compound.
- an amino compound (compound I) can be produced by reducing compound H by a known means.
- the obtained compound I is subjected to a known N-acylation (formylation, acetylation, etc.) or N-alkylation (N, N-dimethylation, N, N-ethylation, etc.) reaction.
- R 1 is a group defined in the formula
- R 2 is an aromatic carboxylic acid residue
- R 3 is an amino group (compound I), an acylamino group ( In the case of formylui dani, the compound]) or N
- a compound which is an N-dialkylamino group (compound K in the case of dimethylamine) is obtained.
- the compound represented by the above formula (I) has a potent antifungal activity against fungal diseases, and is a human, livestock, agricultural or horticultural product which is a target for prevention and control of the diseases. It is based on having the property of not causing phytotoxicity to plants. That is, the compound represented by the above formula (I) has a strong antifungal activity against fungi by undergoing a chemical reaction described below using UK-2 as a starting material. It has properties as an active ingredient of antifungal agents for agricultural use, agricultural and horticultural force-proofing agents and industrial force-proofing agents.
- the compound of the formula (1) according to the present invention has a strong antifungal activity and an excellent preventive or therapeutic effect against various plant diseases. Therefore, the compound of the formula (1) is useful as an active ingredient of an antifungal agent for the treatment of a fungal infection caused by a fungus sensitive to the present compound, an agricultural / horticultural antifungal agent or an industrial antifungal agent. It is.
- the antifungal agent containing the compound of the formula (I) according to the present invention as an active ingredient can be administered orally or parenterally (for example, subcutaneous administration, intravenous injection, intramuscular injection, rectal administration, transdermal administration). And can be administered to humans and non-human animals.
- the antifungal agent for treating a fungal infection comprising the compound of the formula (I) as an active ingredient according to the present invention is preferably provided in an appropriate dosage form depending on the administration route.
- injections such as intravenous injections and intramuscular injections, capsules, tablets, granules, powders, pills, fine granules, lozenges and other oral preparations, ointments, lotions, vaginal suppositories, etc. , Rectal administration, oily suppository, aqueous suppository, etc. are preferable.
- an antifungal agent for example, excipients, bulking agents, binding , Humectants, disintegrants, surfactants, lubricants, dispersants, buffers, preservatives, dissolution aids, flavoring agents, soothing agents, stabilizers, etc. It is desirable to manufacture by appropriately selecting and combining them.
- the non-toxic additives which can be used include, for example, lactose, fructose, glucose, starch, zeolite Latin, magnesium carbonate, synthetic magnesium gaylate, talc, magnesium stearate, methylcellulose, carboxymethylcellulose or a salt thereof, arabia gum, polyethylene glycol, syrup vaseline, glycerin, ethanol, propylene glycol, citric acid, sodium chloride, sulfite Examples include soda and sodium phosphate.
- the dosage of the antifungal agent comprising the compound of the formula (I) according to the present invention is preferably determined appropriately according to individual cases in consideration of symptoms, age, sex and the like.
- a therapeutic or prophylactic agent especially a contraceptive agent or a therapeutic agent for breast or ovarian cancer, comprising a compound of formula (I) according to the present invention, when administered intravenously, will usually have about 0.01- L OOOmg, preferably 0.1 to: It is desirable to administer LOOmg.
- LOOmg In the case of intramuscular administration, it is usually desirable to administer about 0.01 to 1000 mg / day, preferably 0.1 to: 00 mg / day for an adult.
- oral administration it is usually desirable to administer about 0.5 to 2000 mg, preferably 1 to 1000 mg, per day for an adult. In any case of these administrations, it is desirable to administer once or several times a day.
- the antifungal agent for agricultural and horticultural use comprising the compound of the formula (I) according to the present invention can be prepared by using a carrier in accordance with various administration forms, and further blending an appropriate additive as necessary, It is preferably provided in form.
- a carrier in accordance with various administration forms, and further blending an appropriate additive as necessary, It is preferably provided in form.
- it is preferable to formulate a solid preparation such as powder, granule, granule and the like, a solution, an oil preparation, an emulsion, a wettable powder, a suspending agent, a liquid preparation such as an aerosol preparation, and dilute the liquid preparation as appropriate.
- Carriers preferably used include clay, talc, diatomaceous earth, terra alba, calcium carbonate, silicic acid anhydride, bentonite, sodium sulfate, sily gel, organic acid salts, saccharides, starch, resins, and solids such as synthetic or natural polymers.
- Powder or granular carrier aromatic hydrocarbon atoms such as xylene, aliphatic hydrocarbon atoms such as kerosene, ketones such as methylethyl ketone, cyclohexanone, isophorone, lactams, Liquid carriers such as ethers such as disole, alcohols such as ethanol, propanol and ethylene glycol, esters such as ethyl acetate and butyl acetate, dimethyl sulfoxide, dimethylformamide, and water.
- aromatic hydrocarbon atoms such as xylene
- aliphatic hydrocarbon atoms such as kerosene
- ketones such as methylethyl ketone
- cyclohexanone isophorone
- lactams Liquid carriers such as ethers such as disole, alcohols such as ethanol, propanol and ethylene glycol
- esters such as ethyl acetate and butyl acetate, di
- additives such as an emulsifier, a dispersant, a wetting agent, a binder, a lubricant and the like as appropriate according to the purpose and to combine them.
- Such additives include, for example, nonionic and ionic surfactants, carboxymethylcellulose, polyvinyl acetate, polyvinyl alcohol, gums, stearate salts, waxes, pastes and the like.
- the compound of the formula (I) is usually used in the form of powder, in an amount of about 0.01 to 10% by weight, preferably about 0.1 to 5% by weight.
- the antifungal agent for agricultural and horticultural use of the present invention can be used alone, but a pesticide such as a fungicide, an insecticide, a herbicide, a plant growth regulator, or a fertilizer, a soil conditioner It can also be used in combination with or as a mixture.
- a pesticide such as a fungicide, an insecticide, a herbicide, a plant growth regulator, or a fertilizer, a soil conditioner It can also be used in combination with or as a mixture.
- the application amount of the antifungal agent for agricultural and horticultural use according to the present invention is desirably appropriately determined in consideration of the form of the preparation and the method, purpose and timing of application.
- the specific application amount is usually converted to the amount of the compound of the formula (I), which is the active ingredient, and in the case of rice blast control, it is applied in the range of 10 to 2000 g per ha. And more preferably in the range of 50 to: L0000g.
- the antifungal agent for agricultural and horticultural use of the present invention can be used not only for agricultural and horticultural plants but also for their growing environment (for example, Enclosures) and agricultural and horticultural equipment.
- the compound of the formula (I) of the present invention may be combined with a known carrier and, if necessary, a known adjuvant in accordance with various forms of use. It may be formulated.
- industrial antifungal agents are used to prevent the propagation of harmful fungi, which are problematic in general industrial products and the manufacturing process of these products, and to prevent the contamination of harmful fungi. .
- an antifungal agent to prevent surface contamination of wood an antifungal agent for wood products, an antiseptic and antifungal agent added to paints, a wall covering agent, an antifungal agent added at the time of polymer processing, leather, Examples of fungicides used for processing fibers and woven fabrics can be given.
- Example 3 The title compound (41% yield) was obtained in the same manner as in Example 1 except that methanol was replaced with isobutanol.
- Example 3 The title compound (41% yield) was obtained in the same manner as in Example 1 except that methanol was replaced with isobutanol.
- OCOCH (CH 3 ) a OCH (CH 3 ) 2 , 4-CH 3 ), 2.50 to 2.80 (2H, m, _CH (CH 3 ) 2 , C 6 H 5 CH 2 ), 2.80 ⁇ 3.10 (2H, m,
- Test example 1 Antifungal activity evaluation test
- the antifungal activity was tested using Saccharomyces cerevisiae IFO0203 by the following method.
- the three-leaf stage rice seedlings (species: Toseki) grown six by six in plastic pots containing culture soil were tested, and a predetermined amount of the test compound was dissolved in acetone and Tween20 and water were added. By adding, a drug containing acetone 10% and Tween 20 0.05% was prepared.
- This drug was sprayed using a spray gun at a rate of 10 mL per 3 pots. After the drug was air-dried, a conidia suspension of rice blast (Pyric ularia oryzae), which had been previously cultured on an oatmeal agar medium, was uniformly sprayed and inoculated, and kept in a humidity chamber at 25 ° C for 24 hours. After that, the disease was transferred to an artificial weather chamber at 18 ° C at night; and at 25 ° C during the day to cause disease. The number of lesions that appeared on the inoculated leaves 7 days after inoculation was counted and investigated. The number of lesions was determined, and the control value was calculated by the following equation.
- Control value (1 average number of lesions in one treatment area Z number of lesions in non-treatment area) X100
- Example 4 100 86 Labside sol, which is widely used as a rice blast preventive at present, is as effective as or better than antimycin A, which is known as an excellent antifungal agent, when the novel compound of the present invention is applied at the same concentration. Showed sex. No phytotoxicity was found.
- Test example 3 Plant disease control effect test (Anthrax control effect test)
- Severity ⁇ (number of disease cases by index X index) / (5 X number of leaves surveyed) X 100
- Test example 4 Plant disease control effect test (Erythrophila and disease control effect test)
- Severity ⁇ Number of cases by each disease X index) / (5 X number of leaves surveyed) X 100
- Control value (1—degree of disease in treated area Z number of lesions in untreated area) X 100
- test plots were set for the purpose of comparing the residual efficacy of the control effect of Cucumber anthracnose, and the disease incidence and control value were calculated by the same method as described in Test Example 3. The results are as shown in Table 7.
- Test plot 1 Inoculation on the day of spraying: Inoculation on the day of air-drying, incubating for 24 hours under a humidity chamber condition of 26 ° C, then at 18 ° C at night and 25 ° C during the day Within 7 days.
- Test zone 2 Maintained under fluorescent light
- next day inoculation zone Air-dried and placed in an artificial weather device (18 ° C at night, 25 ° C during the day, 8 hours during the day) under indoor fluorescent light after air drying After spraying 24 hours after inoculation, inoculation was performed, and the samples were placed in a humidified room at 26 ° C for 24 hours and then placed in an artificial weather device at 18 ° C at night and 25 ° C during the day for 7 days.
- Test plot 3 Keep in sunlight, inoculate on the following day: In the day after air-drying (8 hours) After placing outdoors in sunlight, place in an artificial weather chamber at 18 ° C and spray 24 hours after inoculation. After being placed in a humid chamber at 26 ° C for hours, it was placed in a climate chamber at 18 ° C at night and 25 ° C during the day for 7 days.
- Table 7 Results of residual efficacy test for controlling Anthrax anthracnose
- the test was conducted by the following method to obtain photostability data by sun exposure.
- Sample preparation method 25 mg of each of the compounds of UK-2 ⁇ and Example 18 were dissolved in 5 mL of acetone, and each was spread on a Petri dish having a diameter of about 9 cm. Acetone evaporates shortly, and each sample becomes a white thin film. This was exposed to sunlight.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
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- Communicable Diseases (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99903901A EP1054011B1 (en) | 1998-02-06 | 1999-02-08 | Novel antifungal compounds and process for producing the same |
| US09/601,655 US7250389B1 (en) | 1998-02-06 | 1999-02-08 | Antifungal compound and process for producing the same |
| NZ506249A NZ506249A (en) | 1998-02-06 | 1999-02-08 | Antifungal compounds and process for producing the same from UK-2 |
| CA2319807A CA2319807C (en) | 1998-02-06 | 1999-02-08 | Novel antifungal compound and process for producing the same |
| DE69933198T DE69933198T2 (de) | 1998-02-06 | 1999-02-08 | Neue fungizide verbindungen und verfahren zu ihrer herstellung |
| AU24398/99A AU751098B2 (en) | 1998-02-06 | 1999-02-08 | Novel antifungal compounds and process for producing the same |
| JP2000530510A JP4463420B2 (ja) | 1998-02-06 | 1999-02-08 | 新規抗真菌化合物とその製法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10/26257 | 1998-02-06 | ||
| JP2625798 | 1998-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999040081A1 true WO1999040081A1 (en) | 1999-08-12 |
Family
ID=12188218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/000541 Ceased WO1999040081A1 (en) | 1998-02-06 | 1999-02-08 | Novel antifungal compounds and process for producing the same |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7250389B1 (ja) |
| EP (1) | EP1054011B1 (ja) |
| JP (1) | JP4463420B2 (ja) |
| AT (1) | ATE339410T1 (ja) |
| AU (1) | AU751098B2 (ja) |
| CA (1) | CA2319807C (ja) |
| DE (1) | DE69933198T2 (ja) |
| ES (1) | ES2272049T3 (ja) |
| NZ (1) | NZ506249A (ja) |
| WO (1) | WO1999040081A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2319807A1 (en) | 1999-08-12 |
| JP4463420B2 (ja) | 2010-05-19 |
| ES2272049T3 (es) | 2007-04-16 |
| ATE339410T1 (de) | 2006-10-15 |
| NZ506249A (en) | 2003-04-29 |
| AU2439899A (en) | 1999-08-23 |
| DE69933198D1 (de) | 2006-10-26 |
| EP1054011A1 (en) | 2000-11-22 |
| CA2319807C (en) | 2010-04-06 |
| US7250389B1 (en) | 2007-07-31 |
| EP1054011A4 (en) | 2003-02-19 |
| EP1054011B1 (en) | 2006-09-13 |
| AU751098B2 (en) | 2002-08-08 |
| DE69933198T2 (de) | 2007-09-13 |
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