WO2005073238A1 - ピリドベンズオキサジン誘導体 - Google Patents
ピリドベンズオキサジン誘導体 Download PDFInfo
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- WO2005073238A1 WO2005073238A1 PCT/JP2005/001400 JP2005001400W WO2005073238A1 WO 2005073238 A1 WO2005073238 A1 WO 2005073238A1 JP 2005001400 W JP2005001400 W JP 2005001400W WO 2005073238 A1 WO2005073238 A1 WO 2005073238A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/06—Peri-condensed systems
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B2/00—Preservation of foods or foodstuffs, in general
- A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
- A23B2/725—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of liquids or solids
- A23B2/729—Organic compounds; Microorganisms; Enzymes
- A23B2/771—Organic compounds containing hetero rings
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/111—Aromatic compounds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/195—Antibiotics
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5383—1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
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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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- 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
- A61P31/04—Antibacterial agents
Definitions
- the present invention relates to a synthetic quinoline antibacterial agent useful as a medicament, an animal drug, a marine drug, or an antibacterial preservative.
- quinolone synthetic antibacterial drugs have side effects that induce convulsions when used in combination with nonsteroidal anti-inflammatory drugs, or phototoxicity, hepatotoxicity, or cardiotoxicity (electrocardiograms that induce lethal arrhythmias). Side effects such as abnormalities observed as abnormalities) and abnormal blood sugar levels have been clarified, and the development of safer quinolone synthetic antibacterial drugs is also required.
- levofloxacin is known as a representative pyridobenzoxazine derivative, and is widely used in clinical settings as an antibacterial chemotherapeutic drug with excellent safety.
- This levofloxacin is characterized by having a 4-methylbiperazine-1-yl group at the 10-position of the pyridobenzoxazine nucleus.
- the antibacterial activity, pharmacokinetics, and safety of the synthetic quinolone antibacterial drugs depend on the substituent at the 7-position (or 10-position in the case of pyridobenzoxazine nucleus) of the quinolone skeleton. It is known that the structure has a significant effect. Among them, the 10-position of the pyridobenzoxazine nucleus A quinolone derivative having a 3-aminopyrrolidyl group as a substituent has, for example, a stronger antibacterial activity against gram-negative bacteria and gram-positive bacteria than a quinolone derivative having a piperazyl group as a substituent. It is known (see Non-Patent Documents 1 and 2).
- Non-patent Document 2 Although, although quinolone derivatives having a 3-aminomethylpyrrolidine 1-yl group or the like as a substituent exhibit strong antibacterial activity, many of these compounds have low selective toxicity (Non-patent Document 2). Therefore, in order to work on eukaryotic cells as well as bacteria and to use them as pharmaceuticals or veterinary drugs, drug designs with enhanced selective toxicity are required. Such strength! ⁇ High antibacterial activity! ⁇ There is a need in clinical settings for the entry of a compound with selective toxicity.
- a pyridobenzoxazine derivative having a 3-amino-4 alkyl-substituted pyrrolidine 1-yl group as a substituent at the 7-position is, for example, an example of a pyridobenzoxazine derivative at the 10-position of a pyridobenzoxazine nucleus
- Patent Document 1 describes a quinolone carboxylic acid derivative (A) having a cis-3-amino-4-methylpyrrolidine 1-yl group.
- Patent Documents 2 and Non-Patent Document 3 disclose quinolone carboxylic acid derivatives (B) having a cis-3-amino-4 fluoromethylpyrrolidine 1-yl group as a substituent at the 7-position. (Note that the definition of the substituent in the formula (B) is defined in Patent Document 2, and the same symbol is irrelevant to the definition of the substituent in the present specification.) [0007] [Formula 2]
- the substituent at the 8-position of the quinolone skeleton is limited to an alkoxy group having 1 to 6 carbon atoms represented by a methoxy group, or a halogenomethoxy group.
- Patent Document 2 discloses that pyridobenzoxazines include a derivative at the 10-position of the mother nucleus.
- the substituent is a cis-3-amino-4-fluorinated methylpyrrolidine-1-yl group.
- Non-Patent Document 4 discloses a quinolone carboxylic acid derivative having a cis-3-amino-4 fluoro-substituted methylpyrrolidine 1-yl group as a substituent at the 7-position.
- An 8-methoxyquinolone derivative (C) having a 3-amino-4 trifluoromethylpyrrolidine 1-yl group as a substituent is described.
- the compound described in Non-Patent Document 4 is only a quinolone carboxylic acid derivative.
- the substituent at the 10-position of the mother nucleus is cis-3-amino-4.
- cis 3-amino-4 fluorine-substituted pyrrolidine derivatives are exemplified in Patent Document 2 and Non-Patent Documents 3.4, but a quinolone having a cis 3-amino-4 difluoropyrrolidinine substituent included in the present invention. There is no description about derivatives. Further, the present invention provides a method for producing a cis-3-amino-4 difluoromethylpyrrolidine derivative and an intermediate for the production according to the present invention. There is no specific description or description of the embodiment.
- Patent Document 1 European Patent No. 208291 (JP-A-62-4284)
- Patent Document 2 International Publication No. 98Z58923 pamphlet
- Non-Patent Document 1 International Journal of Antimicrovial Agents, Vol. 16, p. 5 (2000)
- Non-Patent Document 2 Journal of Antimicrobial Chemotherapy, Vol. 33, p. 685 (1994)
- Non-Patent Document 3 Chemical Pharmaceutical Bretane, Vol. 48 (No. 11), p. 1667 (2000)
- Non-Patent Document 4 Bioorganic Medicinal Chemistry Letters, Vol. 8, pp. 2833 (1998)
- an object of the present invention is to provide a quinolone antibacterial agent and a therapeutic agent for infectious diseases, which exhibit strong antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, and have high safety. I do.
- the present inventors have found that the compound represented by the formula (1) of the present invention exhibits a broad and strong antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, and particularly includes MRSA and PRSP.
- the present invention has shown strong antibacterial activity against resistant bacteria represented by resistant Gram-positive cocci, and found safety that can be safely used as an antibacterial drug for human use, and completed the present invention.
- the present invention relates to a compound represented by the following formula (1), a salt thereof, or a hydrate thereof.
- formula (1) a compound represented by the following formula (1), a salt thereof, or a hydrate thereof.
- R 1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms, or a substituted carbonyl group derived from an amino acid, a dipeptide, or a tripeptide.
- the alkyl group may be a hydroxyl group, an amino group, a halogen atom, an alkylthio group having 1 to 6 carbon atoms, or an alkoxy group having 1 to 6 carbon atoms. You may have
- R 2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms, wherein the alkyl group is a hydroxyl group, an amino group, a halogen atom, An alkylthio group or an alkoxy group having 1 to 6 carbon atoms, a group selected from the group consisting of:
- R 3 represents a hydrogen atom, an amino group, a halogen atom, or an alkyl group having 1 to 6 carbon atoms, and the amino group is a formyl group, an alkyl group having 1 to 6 carbon atoms, or an alkyl group having 2 to 6 carbon atoms.
- a group of bases A group of bases It may have one or two selected groups as substituents
- R 4 represents a hydrogen atom, a phenyl group, an acetomethyl group, a bivaloyloxymethyl group, an ethoxycarbon group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a phthalidyl group, a 5-alkyl-2-oxo group -1,3-dioxol-4-ylmethyl group, 3-acetoxy-2-oxobutyl group, alkyl group having 1 to 6 carbon atoms, alkoxymethyl group having 2 to 7 carbon atoms, or alkylene group having 1 to 6 carbon atoms and phenol Represents a ferroalkyl group composed of
- X 1 and X 2 each independently represent a hydrogen atom or a halogen atom, and X represents a hydrogen atom or a halogen atom.
- the present invention provides the above compound, wherein the compound of the formula (1) is a stereochemically single compound. Or a salt thereof, or a hydrate thereof;
- X 1 and X 2 are each a hydrogen atom, the above compound, a salt thereof, or a hydrate thereof;
- one of X 1 and X 2 is a fluorine atom, and the other is a hydrogen atom, the above compound, a salt thereof, or a hydrate thereof;
- R 1 is a substituted carboxyl group derived from an amino acid, dipeptide or tripeptide
- R 2 is a hydrogen atom, the above compound, a salt thereof, or a hydrate thereof;
- one of R 1 and R 2 is a hydrogen atom, and the other is a cyclopropyl group, a salt thereof, or a hydrate thereof;
- X is a fluorine atom, the above compound, a salt thereof, or a hydrate thereof;
- a therapeutic drug for infectious diseases comprising the above compound, a salt thereof, or a hydrate thereof as an active ingredient;
- a method of treating a disease which comprises administering an effective amount of the above compound, a salt thereof, or a hydrate thereof;
- a method for treating an infectious disease which comprises administering an effective amount of the compound, a salt thereof, or a hydrate thereof;
- a method for producing an antibacterial agent comprising the above compound, a salt thereof, or a hydrate thereof as an active ingredient;
- a method for producing a therapeutic drug for infectious diseases comprising the above compound, a salt thereof, or a hydrate thereof as an active ingredient;
- the present invention also relates to a compound represented by the following formula (3), a salt thereof, or a hydrate thereof.
- R 11 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a power representing a cycloalkyl group having 3 to 6 carbon atoms, or a protecting group for an amino group, and is unsubstituted.
- the alkyl group may be a hydroxyl group, an amino group, a halogen atom, an alkylthio group having 1 to 6 carbon atoms, Or a group having 1 to 6 carbon atoms such as an alkoxy group.
- the group may have one or more selected groups as substituents.
- R 2 is the same as defined in formula (1).
- Q ′ represents a protecting group for an amino group or a hydrogen atom.
- the protecting group of the amino group may have an alkoxycarboxy group which may have a substituent, may have a substituent, or may have an aralkyloxycarbonyl group or a substituent! /, Or a group selected from the group consisting of an acyl group, an alkyl group which may have a substituent, an aralkyl group which may have a substituent, and a substituted silyl group.
- the protecting group of the amino group is a tertiary butoxycarbon group, a 2,2,2-trichloromouth ethoxycarbon group, a benzyloxycarbon group, a paramethoxybenzyloxycarbon group, Trobenzyloxycarbol, acetyl, methoxyacetyl, trifluoroacetyl, chloroacetyl, bivaloyl, formyl, benzoyl, tertiary butyl, benzyl, para-trobenzyl, paramethoxy Benzyl group, (R) -1-phenyl-ethyl group, (S) -1-phenyl-ethyl group, trifluoromethyl group, methoxymethyl group, tert-butoxymethyl group, tetrahydroviranyl group, 2, 2, 2-trichloro mouth ethoxymethyl group, trimethylsilyl group, isopropyldimethylsilyl group, tertiary butyld
- R 11 and Q ′ are protecting groups for an amino group, and the protecting groups are deprotected or cleaved under different reaction conditions;
- the pyridobenzoxazine derivative of the present invention has extremely excellent antibacterial activity against Gram-positive bacteria and Gram-negative bacteria. Therefore, the pyridobenzoxazine derivative of the present invention is useful as an antibacterial agent and a therapeutic agent for infectious diseases. Further, the pyridobenzoxazine derivative of the present invention has low acute toxicity and high safety.
- the substituent R 1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cyclic alkyl group having 3 to 6 carbon atoms, or a substituted carbonyl derived from an amino acid, a dipeptide or a tripeptide. Represents a group.
- the substituent R 2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms.
- R 1 or R 2 is an alkyl group
- these are selected from the group consisting of a hydroxyl group, an amino group, a halogen atom, an alkylthio group having 1 to 6 carbon atoms and an alkoxy group having 1 to 6 carbon atoms. It may have one or more groups as substituents.
- R 1 or R 2 is an alkyl group, it may be linear or branched, but preferably represents a methyl group, an ethyl group, a propyl group, or an isopropyl group. In the above, a methyl group and an ethyl group are preferred, and a methyl group is more preferred!
- the alkyl group having a hydroxyl group those having up to 3 carbon atoms, such as hydroxymethyl group, 2-hydroxyethyl group, 2-hydroxypropyl group and 3-hydroxypropyl group, are preferred.
- the alkyl group having an amino group those having up to 3 carbon atoms such as aminomethyl group, 2-aminoethyl group, 2-aminopropyl group and 3-aminopropyl group are preferred.
- the alkyl group When the alkyl group has a halogen atom as a substituent, the alkyl group is preferably a straight-chain or branched halogen atom having 1 to 6 carbon atoms, and a halogen atom is preferably a fluorine atom. Further, the number of fluorine atoms may be any one up to the mono-substitution force and the perfluoro-substitution. Examples thereof include a monofluoromethyl group, a difluoromethyl group, a trifluoromethyl group, and a 2,2,2-trifluoroethyl group.
- the alkyl group When the alkyl group has an alkylthio group or an alkoxy group as a substituent, the alkyl group may be linear or branched! /, And the alkylthio group or the alkoxy group may have a linear or branched alkyl group. It may be branched or misaligned.
- the alkyl group having an alkylthio group is preferably an alkylthiomethyl group, an alkylthioethyl group, or an alkylthiopyryl group, and more preferably an alkylthio group having 1 to 3 carbon atoms. More preferred are a methylthiomethyl group, an ethylthiomethyl group and a methylthioethyl group.
- the alkyl group having an alkoxy group is preferably an alkoxymethyl group, an alkoxyethyl group, or an alkoxypropyl group, and more preferably the alkoxy group has 1 to 3 carbon atoms. More preferred are a methoxymethyl group, an ethoxymethyl group and a methoxyethyl group.
- R 1 or R 2 is a cycloalkyl group
- a cyclopropyl group more preferably a cyclopropyl group, is preferably a cyclopropyl group.
- R 1 and R 2 are independently a hydrogen atom, an alkyl group, a cycloalkyl group, or a substituted carboyl group derived from an amino acid, dipeptide or tripeptide, and R 2 is a hydrogen atom Is preferred.
- R 1 is a hydrogen atom, an alkyl group, or a cycloalkyl group
- R 2 is a hydrogen atom.
- the alkyl group a methyl group or an ethyl group is particularly preferable, and a methyl group is particularly preferable.
- cycloalkyl group a cyclopropyl group or a cyclobutyl group is preferred, and a cyclopropyl group is particularly preferred.
- R 1 and R 2 are both hydrogen atoms, R 1 is a methylol group, a combination wherein R 2 is a hydrogen atom.
- R 1 is an amino acid, dipeptide or substituted from tripeptide carbonitrile, - Le group derconnection, quinolone derivatives wherein R 2 is a hydrogen atom are particularly useful as prodrugs. A specific example of this will be described later.
- substituent R 3 is a hydrogen atom, an amino group, a halogen atom, or represents an alkyl group having from 1 carbon atoms, the amino group, a formyl group, an alkyl group having 1 to 6 carbon atoms and coal, It may have 1 or 2 groups as substituents, each of which is selected from the group consisting of an acyl group having a prime number of 2 to 6.
- R 3 When R 3 is an alkyl group, it may be linear or branched having 1 to 6 carbon atoms, but is preferably a methyl group, an ethyl group, a propyl group, or an isopropyl group. Of these, a methyl group and an ethyl group are preferred, and a methyl group is more preferred.
- the substituent R 3 is preferably a hydrogen atom, an alkyl group, or an amino group. Of these, a hydrogen atom, a methyl group, or an unsubstituted amino group (1-NH 2) is more preferable.
- substituent R 4 is a hydrogen atom, Hue - group, Asetokishimechiru group, pivaloyl I Ruo carboxymethyl group, ethoxycarbonyl - group, choline group, dimethylaminoethyl group, 5-indanyl group, lid lysine - Alkyl group, 5 alkyl 2-oxo-1,3-dioxol-4-ylmethyl group, 3-acetoxy-2-oxobutyl group, alkyl group having 1 to 6 carbon atoms, alkoxymethyl group having 2 to 7 carbon atoms, or 1 to Represents a phenylalkyl group composed of an alkylene group of 6 and a phenyl group.
- the substituents X 1 and X 2 each independently represent a hydrogen atom or a halogen atom, and a halogen atom is particularly preferably a fluorine atom.
- the substituent X represents a hydrogen atom or a halogen atom, and a fluorine atom is particularly preferable as the halogen atom. X is more preferably a fluorine atom.
- the compound of the present invention includes a group having a structure represented by the following formula (5):
- the substituent represented by the formula (5) is characterized in that the amino substituent at the 3-position on the pyrrolidine ring and the fluoromethyl group at the 4-position have a cis configuration. (3S, 4S) —The absolute configuration of the body is more preferable.
- a single diastereomeric marker when the compound of formula (1), which is the compound of the present invention, has a structure in which a diastereomer is present, when the compound of the present invention is administered to humans or animals, a single diastereomeric marker must be administered. Is preferred.
- the phrase "a single diastereomeric marker is formed" is understood to include a case of containing only another diastereomer and having a degree of chemical purity that is not a case.
- stereoscopy single means that when a compound or the like contains an asymmetric carbon atom, and there are a plurality of types that are in an isomer relationship, only one of them is used. It means that it is composed of In this case, the “unity” is also considered in the same manner as above.
- Examples of the salt of the carboxy group include alkali metal salts such as lithium salt, sodium salt and potassium salt; alkaline earth metal salts such as magnesium salt and calcium salt; ammonium salt and triethylamine salt.
- alkali metal salts such as lithium salt, sodium salt and potassium salt
- alkaline earth metal salts such as magnesium salt and calcium salt
- ammonium salt and triethylamine salt N-methyldalcamine salt, tris- (hydroxymethylhydroxymethylaminoaminomethane salt) and the like can be exemplified. Any of the salts may be used.
- a carboxylic acid conjugate in which the substituent R 4 is a hydrogen atom When the compound of the present invention is used for antibacterial purposes, it is preferable to use a carboxylic acid conjugate in which the substituent R 4 is a hydrogen atom.
- Dobenzoxazine derivatives are useful as synthetic intermediates and prodrugs.
- alkyl esters, benzyl esters, alkoxyalkyl esters, phenylalkyl esters, and fluoresters are useful as synthetic intermediates.
- the ester used as a prodrug is an ester which is easily cleaved in a living body to produce a free carboxylic acid conjugate.
- a pyridobenzoxazine derivative in which the substituent R 1 is a substituted carboyl group derived from an amino acid, dipeptide or tripeptide and R 2 is a hydrogen atom is also useful as a prodrug. .
- the amino acids, dipeptides, and peptides used to obtain such prodrugs include the carboxyl group and the amino group present at the 10-position substitution group of the pyridobenzoxazine derivative.
- the peptide bond formed from is cleaved in vivo to produce a free amine compound.
- Substituents for obtaining such a prodrug include, for example, amino acids such as glycine, alanine, and aspartic acid, dipeptides such as glycine glycine, glycine-alanine, and alanine-alanine; and glycine glycine-alanine and glycine- Substituted carboyl groups derived from tripeptides such as alanine and alanine.
- the compound of the present invention represented by the formula (1) can be produced by various methods.
- One preferred example is, for example, a compound represented by the formula (6) [0042] [Formula 10]
- R 11 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a power representing a cycloalkyl group having 3 to 6 carbon atoms, or a protecting group for an amino group, and is unsubstituted.
- the alkyl group is a substituent selected from the group consisting of a hydroxyl group and an amino group which may be protected, a halogen atom, an alkylthio group having 1 to 6 carbon atoms, and an alkoxy group having 1 to 6 carbon atoms. You may have it.
- R 2 is the same as defined in formula (1).
- X 1 and X 2 each independently represent a hydrogen atom or a halogen atom.
- acid addition salts include inorganic acid salts such as hydrochloride, sulfate, nitrate, hydrobromide, hydroiodide and phosphate; or methanesulfonate, benzenesulfonate, and Organic acid salts such as ruene sulfonate (sulfonate); acetate, citrate, maleate, fumarate, lactate (carboxylate);
- the reaction can be carried out with or without a solvent.
- Solvents which do not adversely affect the reaction may be used, for example, dimethyl sulfoxide, pyridine, acetonitrile, ethanol, chloroform, dimethylformamide, dimethylacetamide, N-methylpyrrolidone, tetrahydrofuran, water, Methoxybutanol, or mixtures thereof, may be mentioned.
- the reaction is carried out by an acid acceptor such as an inorganic base or an organic base, for example, an inorganic basic compound such as an alkali metal or alkaline earth metal carbonate or a hydrogen bicarbonate, or the like. It is preferable to carry out the reaction in the presence of an organic basic compound such as triethylamine, pyridine, 1,8-diazabicycloundecene, N-methylbiberidine, N, N-diisopropylethylamine.
- an organic basic compound such as triethylamine, pyridine, 1,8-diazabicycloundecene, N-methylbiberidine, N, N-diisopropylethylamine.
- the reaction temperature is usually in the temperature range of room temperature to 200 ° C, preferably in the range of 25 to 150 ° C.
- the reaction time ranges from 30 minutes to 48 hours, and usually completes in about 30 minutes to 8 hours.
- the compound represented by the formula (7) is preferably used in the range of 0.5 to 3.0 equivalents to the compound represented by the formula (6) in the presence of a basic compound. Of these, 1.0 is preferred in the range of 2.0 equivalents, and it is more preferred to use in the range of 1.0 to 1.2 equivalents.
- R 11 is not a protecting group for an amino group and R 2 are the same as those shown in the formula (1), except that R 11 is an alkyl group, and the alkyl group is a hydroxyl group or When it has an amino group as a substituent, these are unsubstituted or may be protected and represent a hydroxyl group or an amino group.
- R 11 is a substituted carbonyl group derived from an amino acid, a dipeptide or a tripeptide
- the amino group present here is preferably protected by a protecting group, and is preferably protected for this purpose.
- the group may be the same as those shown in R 11.
- the substituents X 1 and X 2 are the same as those represented by the formula (1).
- the protecting group for the amino group may be any protecting group commonly used in this field, for example, a tertiary butoxycarbonyl group, a 2,2,2-trichloromouth ethoxycarbol group and the like.
- aralkyloxycarbonyl groups acetyl group, methoxy group; It has a substituent such as an acetyl group, a trifluoroacetyl group, a chloroacetyl group, a pivaloyl group, a formyl group, or a benzoyl group, and may be an acyl group; a tertiary butyl group, a benzyl group, or a nitronitro group.
- a substituent such as an benzyl group, a noramethoxybenzyl group, and a trimethyl group; or an alkyl group; or having a substituent, an aralkyl group; a methoxymethyl group Ethers having substituents such as tertiary butoxymethyl group, tetrahydroviranyl group, 2,2,2-trichloromouth ethoxymethyl group; ethers; trimethylsilyl group, isopropyldimethylsilyl group, Substituted silyl groups such as a tertiary butyldimethylsilyl group, a tribenzylsilyl group, and a tertiary butyldiphenylsilyl group;
- the target compound represented by the formula (1) can be obtained by selecting appropriate reaction conditions corresponding to the protecting group and removing the protecting group.
- Q ′ represents a protecting group for an amino group.
- the protecting group for the amino group may be an alkoxycarbyl group which may have a substituent, may have a substituent, and may have an aralkyloxycarbol group or a substituent.
- the base strength may be selected from the group consisting of a / phenyl group, an alkyl group which may have a substituent, an aralkyl group which may have a substituent, and a substituted silyl group.
- the compound force represented by can also be generated by removing Q '.
- the above compound may exist as a salt, a hydrate, or a hydrate of a salt.
- caro salts with acid include inorganic acid salts and organic acid salts. Specific examples thereof include inorganic salts such as hydrochloride, sulfate, nitrate, hydrobromide, hydroiodide and phosphate; or methanesulfonate, benzenesulfonate, and toluenesulfone.
- Organic acid salts such as
- R 11 is a substituted carboyl group derived from an amino acid, dipeptide or tripeptide
- both R 11 and Q ′ are protecting groups for an amino group, they may be the same or different, but each is removed under different reaction conditions, ie, one is selectively removed However, it is convenient for producing compound (1) that the other is a protecting group that remains without being removed.
- R 11 and Q ′ which are protecting groups for an amino group include the following. That is, an alkoxycarbol group which may have a substituent, an arylalkyloxycarbonyl group which may have a substituent, an acyl group which may have a substituent, An alkyl group which may have a substituent; an aralkyl group which may have a substituent; and a substituted silyl group.
- a substituent such as a tertiary butoxycarbol group, a 2,2,2-trichloromouth ethoxycarbyl group or the like, and may be an alkoxycarbol group; It may have a substituent such as a benzyloxycarbonyl group, a paramethoxybenzyloxycarbol group, a para-trobenzyloxycarboxyl group, or an aralkyloxycarbonyl group.
- Methoxymethyl group, tert-butoxymethyl Ethers such as benzyl, tetrahydroviranyl, 2,2,2-trichloromethyl ethoxymethyl, trimethylsilyl, isopropyldimethylsilyl, tertiary butyldimethylsilyl, tribenzylsilyl, tertiary butyldiphenyl -Substituted silyl groups such as -silyl group.
- B (OAc) chelate toys can also be used, and such boron chelate toys
- COOH compounds can be used in place of the compounds. Since the compound of the present invention has a strong antibacterial activity, it can be used as a medicament for humans, animals and fish, or as a pesticide or food preservative.
- the dose varies depending on the age, weight, type of infected pathogen, and degree of infection of the administration subject, but ranges from 50 mg to lg per day for an adult. The preferred range is 100 mg to 500 mg.
- the dosage for animals may vary depending on the purpose of administration (whether treatment or prevention, etc.), the type and size of the animal to be treated, the type of pathogen infected, and the degree of infection. Generally, it is in the range of lmg to 200mg / kg of animal body weight, preferably in the range of 5mg to lOOmg.
- This daily dose may be administered once a day or in 2 to 4 divided doses.
- the daily amount may exceed the above amount if necessary! ,.
- the compounds of the present invention are active against a wide range of microorganisms that cause various infectious diseases, and can treat, prevent or reduce diseases caused by these pathogens.
- bacteria or bacteria-like microorganisms in which the compound of the present invention is effective include Staphylococcus, Streptococcus pyogenes, Hemolytic streptococci, Enterococci, Pneumococci, Peptostreptococcus, Neisseria gonorrhoeae, Escherichia coli, Citropactor, Shigella spp., Klebsiella pneumoniae, Enterobacter spp., Serratia spp., Proteus spp., Pseudomonas aeruginosa, Infnoleenza spp., Acinetobacter spp., Campylobacter spp.
- Diseases caused by these pathogens include folliculitis, cough, sickness, erysipelas, cellulitis, lymphatic (node) inflammation, whitlow, subcutaneous abscess, sweat glanditis, acne conglomerate, Infectious nodules, perianal abscesses, mastitis, trauma, burns, superficial secondary infections such as surgical wounds, pharyngolaryngitis, acute bronchitis, tonsillitis, chronic bronchitis, bronchiectasis, diffuse generalized Bronchitis, secondary infection of chronic respiratory disease, pneumonia, pyelonephritis, cystitis, prostatitis, epididymitis, gonococcal urethritis, nongonococcal urethritis, cholecystitis, cholangitis, bacillary dysentery, enteritis, uterus Adnexitis, intrauterine infection, Bartholin's adenitis, ble
- tuberculosis bacteria mycobacterium (hereinafter abbreviated as M.) tuberculosis, M. bobius, M. africanum] and atypical acid-fast bacteria [ M. Kansasi, M. Marainam, M. Scrofasem, M. Avibum, M. Intracellulare, M. Xenobi, M. Fortiyutum, M. Churone-1] and the like.
- Mycobacterial infections caused by these pathogens are broadly classified into three groups, tuberculosis, atypical mycobacteriosis, and leprosy, depending on the causative bacteria.
- Mycobacterium tuberculosis infection includes lung, chest, trachea, bronchi, lymph nodes, systemic dissemination, bone joints, meninges, brain, digestive organs (intestines, liver), skin, mammary glands, eyes, middle ear It is found in the pharynx, urinary tract, male genitals, female genitals, etc.
- the main organ affected by atypical mycobacteriosis is the lung, and other examples include regional lymphadenitis, skin and soft tissue, osteoarthritis, and systemic dissemination. Can be.
- Illustrative examples of disease names include coliform illness, chick dysentery, chicken paratyphoidosis, poultry cholera, infectious coryza, staphylococcal disease, mycoplasma infection and the like in birds, and colicosis, salmonellosis and pastrella in pigs. Disease, hemophilus infection, atrophic rhinitis, exudative epidermitis, mycoplasma infection, etc., E. coli disease in cattle, salmonellosis, hemorrhagic sepsis, mycoplasma infection, bovine lung disease, mastitis, etc.
- the antibacterial preparation containing the compound of the present invention can be prepared by selecting an appropriate preparation according to the method of administration, and preparing a variety of commonly used preparations.
- Examples of the dosage form of the antibacterial preparation containing the compound of the present invention include tablets, powders, granules, capsules, solutions, syrups, elixirs, oily or aqueous suspensions, and the like, as oral preparations.
- the antimicrobial formulation may include a pharmaceutically acceptable carrier or diluent.
- Formulation can be performed by known formulation techniques, and some Can be added.
- Pharmaceutical additives may be appropriately added within a range not to impair the effects of the present invention.
- Pharmaceutical additives include, for example, excipients, disintegrants, binders, lubricants and the like.
- excipient examples include crystalline cellulose, powdered cellulose, corn starch, potato starch, light anhydrous silicic acid, hydrated silicon dioxide, silicon dioxide, precipitated calcium carbonate, anhydrous calcium hydrogen phosphate, magnesium oxide, calcium lactate, Calcium silicate, magnesium aluminate metasilicate, synthetic hydrotalcite, synthetic aluminum silicate, sucrose fatty acid ester, hydrogenated oil, lactose, sucrose, D-man-tol, trehalose, butyl sugar, fructose, etc. Can be.
- disintegrant examples include carmellose, carmellose calcium, croscarmellose sodium, low-substituted hydroxypropylcellulose, crospovidone, alginic acid, partially alpha-mono-starch, bentonite and the like.
- binder examples include methylcellulose, hydroxypropylcellulose, hydroxypropinolemethinoresenorelose, polyvinylinolenocore, povidone, macrogonore, arabia gum, sodium alginate, carboxyvinyl polymer, gelatin, dextrin, ⁇ Examples include cutin, sodium polyacrylate, and pullulan.
- lubricant examples include magnesium stearate, calcium stearate, talc, sucrose fatty acid ester, glycerin fatty acid ester, polyethylene glycol, and hardened oil. These pharmaceutical additives may be used alone or in combination of two or more.
- a stabilizer, a preservative, and a solubilizing agent may be used in the preparation, and a solution containing the adjuvant may be contained in a container, and then the solid preparation is freeze-dried or the like. It may be used as a preparation prepared at the time of use.
- One dose may be stored in a container, or multiple doses may be stored in the same container.
- Examples of the external preparation include solutions, suspensions, emulsions, ointments, gels, creams, lotions, and sprays.
- the solid preparation contains pharmaceutically acceptable additives together with the active compound, for example, fillers, extenders, binders, disintegrants, dissolution promoters, Wetting agents, lubrication Agents and the like can be selected and mixed as needed to form a formulation.
- pharmaceutically acceptable additives for example, fillers, extenders, binders, disintegrants, dissolution promoters, Wetting agents, lubrication Agents and the like can be selected and mixed as needed to form a formulation.
- liquid preparation examples include a solution, a suspension, an emulsion and the like, and may include a suspending agent, an emulsifier, and the like as an additive.
- the method of administering the compound of the present invention to animals may be the method of orally administering the compound directly or by mixing it in a feed, or the method of making a solution and then directly or adding it to drinking water or feed to give an oral solution. And a method of administration by injection.
- a powder, a fine granule, a soluble powder, a syrup, a solution, or a powder may be appropriately prepared by a technique usually used in this field. It can be an injection.
- Participant example 1 3-difluoromethyl-N— “1- (R) phenylethyl pyrrolidine 2-one (: A. ⁇ 3 ⁇ 4: B)
- Participant example 4 cis-3 tertiary butoxycarbonylamino-4 difluoromethyl-N— “1-1 (R) phenyl-pyrrolidine (optical subject A)
- Participant example 7 cis-3 tert-butoxycarbonylamino-4 difluoromethylpyrrolidine (: A. ⁇ 3 ⁇ 4: B)
- Example 1 10 —— (S) _A ⁇ / 4— (Si full; mouth Rupyrro 2-zine 1-yl 19 full O-2.3-dihydro-1- (S) -methyl 7-oxo 7H-pyrido "1.2.3-de,” l.41-nzoxazine 6-capillonic acid
- the pH of the aqueous layer was further adjusted to 7.4 with concentrated hydrochloric acid, and the aqueous layer was extracted with chloroform (300 ml ⁇ 3). The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure. The resulting residue was purified by recrystallization with 28% aqueous ammonia and ethanol to give 189 mg (50%) of the title compound.
- Example 2 10 (cis-3-amino-4 difluoromethylpyrrolidine 1 yl) -9 Fluoro 2.3-dihydro-1 3- (S) -methyl 7-oxo 7H-pyrido 1. 2.3—de, “l. 4-Benzoxazine 6-capillonic acid (optical isomer A)
- Example 3 10- (cis-3-amino-4 difluoromethylpyrrolidine 1 yl) -9 Fluoro 2.3-dihydro-1 3- (S) -methyl 7-oxo 7H-pyrido "1.2 .3—de, “l.4 ⁇ Benzoxazine 6-capillonic acid (optical isomer B)
- the antibacterial activity of the compound of the present invention was measured in accordance with the standard method specified by the Japanese Society of Chemotherapy, and the results are shown in Table 1 below in terms of MIC (microgram Zml).
- MIC microgram Zml
- the MIC values of levofloxacin (LVFX), ciprofloxacin (CPFX), and a comparative compound are also shown.
- Example compound had a broader and stronger antibacterial activity against both Gram-negative bacteria and Gram-positive bacteria including resistant bacteria, as compared with the Comparative Example.
- it has strong antibacterial activity against Gram-positive bacteria such as Staphylococcus aureus (MRSA) and pneumococcus (PRSP).
- MRSA Staphylococcus aureus
- PRSP pneumococcus
- a single intravenous dose toxicity test of the compound of the present invention in mice was performed as follows. Compound The product was dissolved and diluted with 0.1 mol / 1 NaOHZ saline. The diluted solution was sterilized by filtration with a 22 ⁇ m filter of Myrex G SO. Then, the solution was intravenously administered once to a 6-week-old Sic: ddY male mouse at an administration rate of 10 ml / kg and 0.2 mlZmin. Table 2 shows the results. As in Test Example 1, the compound of Example 2 of Patent Document 2 was used as a comparative compound.
- the compound of the present invention has a broad antibacterial activity against gram-negative bacteria and gram-positive bacteria, and has excellent antibacterial activity, particularly methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant pneumococcus (PRSP) It has strong antibacterial activity against gram-positive bacteria such as quinolone-resistant bacteria and quinolone-resistant bacteria, and is therefore useful as an antibacterial compound for chemotherapy against bacterial infections.
- MRSA methicillin-resistant Staphylococcus aureus
- PRSP penicillin-resistant pneumococcus
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Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005517558A JPWO2005073238A1 (ja) | 2004-02-02 | 2005-02-01 | ピリドベンズオキサジン誘導体 |
| US10/587,946 US20070191356A1 (en) | 2004-02-02 | 2005-02-01 | Pyridobenzoxazine derivative |
| EP05709546A EP1712554A1 (en) | 2004-02-02 | 2005-02-01 | Pyridobenzoxazine derivative |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| JP2004025982 | 2004-02-02 | ||
| JP2004-025982 | 2004-02-02 |
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| WO2005073238A1 true WO2005073238A1 (ja) | 2005-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/001400 Ceased WO2005073238A1 (ja) | 2004-02-02 | 2005-02-01 | ピリドベンズオキサジン誘導体 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070191356A1 (ja) |
| EP (1) | EP1712554A1 (ja) |
| JP (1) | JPWO2005073238A1 (ja) |
| WO (1) | WO2005073238A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7563805B2 (en) | 2005-05-19 | 2009-07-21 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4820290B2 (ja) * | 2004-05-13 | 2011-11-24 | 第一三共株式会社 | 置換ピロリジン誘導体 |
| CN102276628A (zh) * | 2011-06-21 | 2011-12-14 | 周崇科 | 氟喹诺酮类化合物及其合成方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624284A (ja) * | 1985-06-28 | 1987-01-10 | Kyorin Pharmaceut Co Ltd | ピリドンカルボン酸誘導体およびその製造方法 |
| JPS63152318A (ja) * | 1986-08-07 | 1988-06-24 | Dainippon Pharmaceut Co Ltd | 抗マイコプラズマ剤 |
| WO1995011902A1 (en) * | 1993-10-28 | 1995-05-04 | Kaken Pharmaceutical Co., Ltd. | Quinolinecarboxylic acid derivative and salt thereof |
| WO1998058923A1 (en) * | 1997-06-24 | 1998-12-30 | Daiichi Pharmaceutical Co., Ltd. | Cis-substituted fluoromethylpyrrolidine derivatives |
-
2005
- 2005-02-01 EP EP05709546A patent/EP1712554A1/en not_active Withdrawn
- 2005-02-01 WO PCT/JP2005/001400 patent/WO2005073238A1/ja not_active Ceased
- 2005-02-01 US US10/587,946 patent/US20070191356A1/en not_active Abandoned
- 2005-02-01 JP JP2005517558A patent/JPWO2005073238A1/ja not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624284A (ja) * | 1985-06-28 | 1987-01-10 | Kyorin Pharmaceut Co Ltd | ピリドンカルボン酸誘導体およびその製造方法 |
| JPS63152318A (ja) * | 1986-08-07 | 1988-06-24 | Dainippon Pharmaceut Co Ltd | 抗マイコプラズマ剤 |
| WO1995011902A1 (en) * | 1993-10-28 | 1995-05-04 | Kaken Pharmaceutical Co., Ltd. | Quinolinecarboxylic acid derivative and salt thereof |
| WO1998058923A1 (en) * | 1997-06-24 | 1998-12-30 | Daiichi Pharmaceutical Co., Ltd. | Cis-substituted fluoromethylpyrrolidine derivatives |
Non-Patent Citations (2)
| Title |
|---|
| FUKUI H. ET AL: "Synthesis and antibacterial activity of novel 7-(3-substituted 3(or 4)-(trifluoromethyl)-1-pyrrolidinyl)-8-methoxyfluoroquinolinones.", BIOORGANIC & MEDICINAL CHEMISTRY LETTERS., vol. 8, no. 20, 20 October 1998 (1998-10-20), pages 2833 - 2838, XP004139570 * |
| KAWAKAMI K. ET AL: "Studies on 8-methoxyquinolones: synthesis and antibacterial activity of 7-(3-amino-4-substituted)pyrrolidinyl derivatives.", CHEMICAL & PHARMACEUTICAL BULLETIN., vol. 48, no. 11, November 2000 (2000-11-01), pages 1667 - 1672, XP002989843 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7563805B2 (en) | 2005-05-19 | 2009-07-21 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
| US8211910B2 (en) | 2005-05-19 | 2012-07-03 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
| US8476429B2 (en) | 2005-05-19 | 2013-07-02 | Daiichi Sankyo Company, Limited | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1712554A1 (en) | 2006-10-18 |
| JPWO2005073238A1 (ja) | 2007-09-13 |
| US20070191356A1 (en) | 2007-08-16 |
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