WO2001062734A1 - Process for producing quinolonecarboxylic acids and intermediates thereof - Google Patents
Process for producing quinolonecarboxylic acids and intermediates thereof Download PDFInfo
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- WO2001062734A1 WO2001062734A1 PCT/JP2001/001370 JP0101370W WO0162734A1 WO 2001062734 A1 WO2001062734 A1 WO 2001062734A1 JP 0101370 W JP0101370 W JP 0101370W WO 0162734 A1 WO0162734 A1 WO 0162734A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
- C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
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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
- A01N43/42—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 condensed with carbocyclic rings
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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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
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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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4709—Non-condensed quinolines and containing further heterocyclic rings
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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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/96—Spiro-condensed ring systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/18—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Definitions
- the present invention relates to a method for efficiently producing a quinolone carboxylic acid-based synthetic antibacterial drug which is expected to be an excellent drug and agricultural chemical, and an intermediate compound used for the method.
- a quinolone carboxylic acid-based synthetic antibacterial drug which is expected to be an excellent drug and agricultural chemical
- an intermediate compound used for the method Among the quinoline synthetic antibacterial agents useful as antibacterial agents, 5-amino-18-methylquinolone carboxylic acid derivatives are known to have excellent properties. The synthesis of this quinolone is as follows:
- the reaction is carried out by reacting the compound of the formula (1) with a basic substituent compound (R—H; a compound capable of introducing a basic substituent by a substitution reaction).
- a basic substituent compound R—H; a compound capable of introducing a basic substituent by a substitution reaction.
- R—H a basic substituent compound
- a method of the following formula which is a method of reacting the compound with an appropriate base in a suitable solvent in the presence of a suitable base.
- the boron chelate compound was easily dechelated by heating. For this reason, if the reaction temperature is increased to promote the reaction, the dechelation with the boron chelating quinone compound proceeds preferentially over the reaction with the basic substituent compound (for example, from 30 ° C to 4 ° C). On the other hand, it was confirmed that the substitution reaction with the basic substituent compound hardly proceeded at this temperature in the compound generated by this dechelation even at a temperature of 0 ° C).
- carboxylic acid type quinolone compounds [5-amino-1-cyclopropyl-6,7-difluoro-1,4-dihydro-18-methyl-14-oxoquinoline-13-force Compounds whose groups are not derivatized] and the pyrrolidine derivative are substituted in an open system under high-temperature heating (110 ° C).
- the decomposition reaction of the carboxylate quinolone compound itself occurred competitively with the substitution reaction, and the reaction system was complicated in addition to the coloring of the reaction solution.
- substitution reaction under such high pressure is mainly reaction with a monocyclic halogen compound such as benzene, pyrimidine, pyrazine and thiazole, and benzoxazole, as a dihalogen compound, Only a few examples of benzothiazole are known, but there are no reports on 4-quinolone compounds.
- An object of the present invention is to provide a method for efficiently producing a quinolone compound having excellent antibacterial activity, pharmacokinetics and safety, especially a 7-substituted-5-amino-8-methylquinolonecarboxylic acid derivative. is there. Disclosure of the invention
- the inventors of the present application have conducted intensive studies and have found that 5-amino-1-substituted-6,7-difluoro-1,4-dihydro-18_methyl-14-oxoquinoline-13-hydroxycarboxylic acid and a basic substituent compound
- the invention was completed by conducting the substitution reaction under high pressure to suppress the decomposition reaction of the quinoline raw material compound as described above, and to efficiently provide a 5-amino-18-methylquinolone carboxylic acid derivative. did.
- the inventor of the present application has shown that when the amino group at the 5-position is a compound in which the amino group is acylated, the substitution reaction with the basic substituent compound proceeds rapidly, and exhibits an excellent effect particularly in the reaction under pressure.
- the inventors have found and completed the present invention.
- R 1 represents an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms, or a carbon atom having 3 to 6 carbon atoms which may have a substituent.
- R 2 represents a hydrogen atom or an alkylthio group having 1 to 6 carbon atoms
- This R 2 and R 1 may be integrated so as to form a cyclic structure together with the carbon atom and the nitrogen atom to which they are bonded, but this ⁇ constitutes a sulfur atom
- This ring may be included as an atom, and the ring may have an alkyl group having 1 to 6 carbon atoms as a substituent.
- R 3 is a hydrogen atom, an amino group, a thiol group, a halogenomethyl group, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkynyl group having 2 to 6 carbon atoms, or 1 to 6 carbon atoms Represents an alkoxy group of
- the amino group may have, as a substituent, at least one group selected from the group consisting of a formyl group, an alkyl group having 1 to 6 carbon atoms and an acryl group having 2 to 5 carbon atoms.
- R 4 represents a hydrogen atom, an amino group, a halogen atom, a cyano group, a halogenomethyl group, a phenolic methoxy group, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, or an alkynyl group having 2 to 6 carbon atoms Group or an alkoxy group having 1 to 6 carbon atoms,
- the amino group may have, as a substituent, at least one group selected from the group consisting of a formyl group, an alkyl group having 1 to 6 carbon atoms and an acryl group having 2 to 5 carbon atoms.
- R 4 and R 1 may be combined with each other to form a cyclic structure together with the carbon atom and nitrogen atom to which they are bonded, but this ring may be an acid.
- An element atom, a nitrogen atom, or a sulfur atom may be included as a constituent atom, and the ring may have an alkyl group having 1 to 6 carbon atoms as a substituent.
- X 1 represents a hydrogen atom or a halogen atom
- X 2 represents a halogen atom
- Y represents a hydrogen atom, a phenyl group, an acetomethyl group, a bivaloyloxymethyl group, an ethoxycarbonyl group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a furidinyl group, a 5-alkyl-12-oxo1-1 , 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, alkylene group having 1 to 6 carbon atoms A phenylalkyl group composed of a phenyl group and the following formula
- R 5 represents a fluorine atom or an acyloxy group having 2 to 7 carbon atoms.
- R represents a nitrogen-containing basic substituent having a nitrogen atom as a bonding site.
- the nitrogen-containing basic compound represented by the formula is reacted under pressurized conditions in the presence of a base, if desired. Equation (2)
- X 1 represents a hydrogen atom or a halogen atom
- X 2 represents a halogen atom
- X 3 represents a hydrogen atom or a halogen atom
- R ls represents a hydrogen atom or an acyl group.
- R 17 represents an acyl group
- R 18 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the following formula:
- R 5 represents a halogen atom or an acyloxy group.
- the present invention also relates to the above production method, which is a compound represented by the formula:
- R 5 is a halogen atom or an alkylcarbonyloxy group
- R 13 and R 2fl each independently represent a hydrogen atom, a lower alkyl group, or an amino-substituted cyclopropyl group (this amino group may have a substituent or a protecting group). Or R 19 and R 2fl are combined as
- R 21 represents a halogen atom or an amino group which may have a substituent or a protecting group.
- R 19 and: R 2D is
- R 21 is an amino group which may have a substituent or a protecting group
- R 19 is a hydrogen atom
- R 2fl is an amino-substituted cyclopropyl group (this amino group may have a substituent or a protecting group)
- R 21 is a halogen atom Production method
- R 21 is a fluorine atom
- R 2fl is (R) -coordination
- R 21 is (S) -coordination
- the invention of the present application is represented by the formula (A)
- X 1 represents a hydrogen atom or a halogen atom
- X 2 represents a halogen atom
- X 3 represents a hydrogen atom or a halogen atom
- R lfi represents a hydrogen atom or an acyl group.
- R 17 represents an acyl group
- R 18 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the following formula:
- R 5 represents a halogen atom or an acyloxy group.
- R 16 is a Suisomoto atom
- R 17 is, each of the above compounds are Ashiru group
- R 17 is, each of the above compounds are Asechiru group
- X 1 represents a hydrogen atom or a halogen atom
- X 3 represents a hydrogen atom or a halogen atom
- R 19 and R 2Q each independently represent a hydrogen atom, a lower alkyl group, or an amino group.
- R 19 and R 2fl are integrally represented by the following formula: -(CH 2 ) 2- may form a spirocyclic structure together with the pyrrolidine ring
- R 21 may represent a halogen atom or may have a substituent or a protecting group Represents an amino group.
- R 19 and R 2 () are identical
- R 19 is a hydrogen atom
- R 2 ° is an amino-substituted cyclopropyl group (this amino group may have a substituent or a protecting group)
- R 21 is a halogen atom
- R 2Q is —) — coordination
- R 21 is (S) —coordination; the above compound; a compound represented by formula (C—2)
- X 1 represents a hydrogen atom or a halogen atom
- X 3 represents a hydrogen atom or a halogen atom
- R 17 represents an acetyl group
- R 18 represents Is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or
- R 5 represents a halogen atom or an acyloxy group.
- R 22 and R 23 each independently represent a hydrogen atom, a lower alkyl group, Represents a substituted cyclopropyl group (this amino group may have a substituent)
- R 23 represents a halogen atom or an amino group which may have a substituent o];
- R 22 and R 23 are as follows:
- R 24 is an amino group which may have a substituent, which is a group represented by (CH 2 ) 2- ;
- R 22 is a hydrogen atom
- R 23 is an amino-substituted cyclopropyl group (this amino group may have a substituent)
- R 24 is a halogen atom
- the production method of the present invention comprises, for example, the following substitution reaction:
- R 1 is an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms, a cyclic alkyl group having 3 to 6 carbon atoms having a substituent, An aryl group which may have a group; a heteroaryl group which may have a substituent; an alkoxy group having 1 to 6 carbon atoms; or an alkylamino group having 1 to 6 carbon atoms.
- the alkyl group having 1 to 6 carbon atoms is particularly preferably an ethyl group.
- the alkenyl group having 2 to 6 carbon atoms a vinyl group or a 1-isopropenyl group is preferable.
- the halogenoalkyl group having 1 to 6 carbon atoms a 2-fluoroethyl group is preferable.
- the substituent of the cyclic alkyl group having a substituent a halogen atom is preferable, and a fluorine atom is particularly preferable as the halogen atom.
- aryl group which may have a substituent examples include a halogen atom such as a fluorine atom, a chlorine atom, and a bromine atom, a hydroxyl group, an amino group, a nitro group, an alkyl group having 1 to 6 carbon atoms, and a carbon atom having 1 to 6 carbon atoms.
- phenyl, 2-fluorophenyl, and 4-fluorophenyl which may have 1 to 3 groups selected from the group consisting of 6 alkoxy groups and the like as a substituent. Groups, 2,4-difluorophenyl, 2-fluoro-4-hydroxyphenyl, 3-amino-4,6-difluorophenyl and 4,6-difluoro-3-methylaminophenyl are preferred.
- the heteroaryl group is a substituent derived from a 5- or 6-membered aromatic hetero compound containing at least one heteroatom selected from a nitrogen atom, an oxygen atom and a sulfur atom.
- the substituent R 1 of the Teroari Ichiru group for example, a pyridyl group, pyrimidyl group and the like.
- an alkyl group, a halogen atom and the like are preferable.
- a 6-amino-3,5-difluoro-2-pyridyl group is particularly preferred.
- a methoxy group is preferable as the alkoxy group having 1 to 6 carbon atoms. From carbon number 1
- the alkylamino group of 6 is preferably a methylamino group.
- a halogenocycloalkyl group is preferable, and a 2-halogenocyclopropyl group is preferable.
- the halogen atom is preferably a fluorine atom.
- Substituents R 2 may represent a hydrogen atom or an alkylthio group having 1 to 6 carbon atoms, Oh Rui R 2 and is, in connexion hydrocarbon such together with the carbon and nitrogen atoms they are bonded They may be integrated so as to form an annular structure.
- the ring thus formed may contain a sulfur atom as a constituent atom, and may further have an alkyl group having 1 to 6 carbon atoms as a substituent.
- the ring formed here may be of the size of a 4- to 6-membered ring, and this ring may be saturated, partially saturated or unsaturated. Examples of the condensed structure formed in this manner include the following.
- the substituent X 1 is a hydrogen atom or a halogen atom.
- a fluorine atom is preferable.
- a fluorine atom or a hydrogen atom is preferred as a substituent.
- the substituent R 3 is a hydrogen atom, an amino group, a thiol group, a halogenomethyl group, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkynyl group having 2 to 6 carbon atoms, or Represents an alkoxy group of 1 to 6,
- the amino group may have, as a substituent, at least one group selected from the group consisting of a formyl group, an alkyl group having 1 to 6 carbon atoms and an acryl group having 2 to 5 carbon atoms.
- the alkyl group may be a linear or branched one having 1 to 6 carbon atoms, but is preferably a methyl group, an ethyl group, a normal propyl group, and an isopropyl group.
- Alkenyl groups are straight-chain or branched having 2 to 6 carbon atoms. Good, but preferably a vinyl group.
- the alkynyl group may be a linear or branched one having 2 to 6 carbon atoms, but is preferably an ethynyl group.
- the halogen of the halogenomethyl group is particularly preferably a fluorine atom, and the number thereof may be 1 to 3.
- the alkoxy group may have 1 to 6 carbon atoms, but is preferably a methoxy group.
- the substituent R 3 is preferably a hydrogen atom, an alkyl group, or an amino group, and among them, a methyl group or an unsubstituted amino group is preferable.
- the substituent R 3 when an amino group or a thiol group, they may be protected by a protecting group which is usually used.
- protecting groups include (substituted) alkoxycarbonyl groups such as tertiary butoxycarbonyl group, 2,2,2-trichloromouth ethoxycarbonyl group; benzyloxycarbonyl group, paramethoxybenzyloxy group (Substituted) aralkyloxycarbonyl groups such as carbonyl group and paranitrobenzyloxycarbonyl group; acetyl group, methoxyacetyl group, trifluoroacetyl group, chloroacetyl group, bivaloyl group, formyl group, benzoyl group, etc.
- a (substituted) alkyl group or a (substituted) aralkyl group such as a tertiary butyl group, a benzyl group, a paranitrobenzyl group, a paramethoxybenzyl group, and a triphenylmethyl group; a methoxymethyl group; Butoxymethyl group, tetrahydrobiranyl group, 2,2,2-tri (Substituted) ethers such as ethoxymethyl group; and (alkyl and Z or trimethylsilyl group, isopropyldimethylsilyl group, tertiary butyldimethylsilyl group, tribenzylsilyl group, tertiary butyldiphenylsilyl group, etc.) Aralkyl) and substituted silyl groups.
- Compounds having a substituent protected by these substituents are particularly preferred as production intermediates (here, “(substituted)” means that the compound may
- R 4 is a hydrogen atom, an amino group, a halogen atom, a cyano group, a halogenomethyl group, a halogenomethoxy group, an alkyl group having 1 to 6 carbon atoms, an alkyl group having 2 to 6 carbon atoms, or a carbon atom having 2 to 6 carbon atoms. Represents an alkynyl group or an alkoxy group having 1 to 6 carbon atoms,
- formyl group alkyl group having 1 to 6 carbon atoms and carbon atom It may have, as a substituent, one or more groups selected from the group consisting of the acyl groups of the formulas 2 to 5.
- the alkyl group may be a linear or branched one having 1 to 6 carbon atoms, and is preferably a methyl group, an ethyl group, a normal propyl group and an isopropyl group.
- the alkenyl group may be a linear or branched one having 2 to 6 carbon atoms, and is preferably a vinyl group.
- the alkynyl group may be a linear or branched one having 2 to 6 carbon atoms, and is preferably an ethynyl group.
- the halogen in the halogenomethyl group is particularly preferably a fluorine atom, and the number thereof may be 1 to 3.
- the alkoxy group may have 1 to 6 carbon atoms, but is preferably a methoxy group.
- the halogen of the halogenomethoxy group is particularly preferably a fluorine atom, and the number thereof may be 1 to 3.
- an alkyl group or an alkoxy group is preferable. More preferred are a methyl group and a dimethyl group.
- R 4 and R 1 described above are combined with a carbon atom and a nitrogen atom to which they are bonded to form a hydrocarbon-based cyclic structure (the size of the ring is from a four-membered ring to a seven-membered ring. And it may be saturated, partially saturated or unsaturated.), But the ring thus formed may be an oxygen atom, a nitrogen atom or The ring may contain a sulfur atom as a constituent atom, and the ring may further have an alkyl group having 1 to 6 carbon atoms as a substituent.
- the condensed ring structure thus formed may have the following structure.
- R 3 is an amino group, a hydrogen atom, or an alkyl group having 1 to 6 carbon atoms
- R 4 is an alkyl group having 1 to 6 carbon atoms, and the number of carbon atoms. This is the case of 1 to 6 alkoxy groups, halogenomethoxy groups, or hydrogen atoms.
- a more preferable combination is a case where R 3 is an amino group, a hydrogen atom, or a methyl group, and R 4 is a methyl group, a methoxy group, a difluoromethoxy group, or a hydrogen atom.
- R 3 is an amino group, a hydrogen atom, or a methyl group
- R 4 is a methyl group or a methoxy group
- X 1 is preferably a fluorine atom.
- X 1 is particularly preferably a fluorine atom.
- X 2 is a substituent that functions as a leaving group such as a fluorine atom, a chlorine atom, a bromine atom, a substituted or unsubstituted phenylsulfonyl group, or a substituted or unsubstituted alkylsulfonyl group having 1 to 3 carbon atoms. Represents a group.
- Y is a group that forms a propyloxyl group or forms a propyloxyl ester. You. When the compound is a carboxy ester, the compound is useful as a synthetic intermediate or a prodrug. For example, alkyl esters, benzyl esters, alkoxyalkyl esters, phenylalkyl esters, and phenyl esters are useful as synthetic intermediates.
- Esters used as prodrugs are esters that are easily cleaved in vivo to form a free form of carboxylic acid, and include, for example, acetomethoxymethyl ester, bivaloyloxymethyl ester, and ethoxycarbonyl ester. Ter, choline ester, dimethylaminoethyl ester, 5 rdanyl and furidinyl esters, 5-alkyl-l-oxo-l, 3-dioxo-l-l-yl-methyl ester, and 3-acetoxy-l-oxo-butyls And oxoalkyl esters such as ter.
- R 5 is a fluorine atom or an alkoxy group having 2 to 7 carbon atoms.
- the acyl moiety of the acyloxy group may be either an aliphatic acyl group or an aromatic acyl group.
- the aliphatic acyl group may be an alkylcarbonyl group.
- a benzoyl group can be exemplified. It is most convenient to use an acetyloxy group as the alkoxy group of R 5 .
- the halogenocyclopropyl group for R 1 will be described.
- the halogen atom to be substituted include a fluorine atom and a chlorine atom, and a fluorine atom is particularly preferable.
- the steric environment at this moiety is particularly preferably that the halogen atom and the pyridonecarboxylic acid moiety are in a cis configuration with respect to the cyclopropane ring. More preferred is a (1R, 2S) 1-2-fluorocyclopropyl group.
- R 1 cis - 2 halogenocyclopropyl isomer only in the so-called antipode relationship cyclopropyl moiety is present, these both strong antibacterial activity and high safety even in the acknowledged et a.
- a nitrogen-containing basic compound is a compound into which a basic substituent can be introduced by a substitution reaction, and R—H (where R is a nitrogen-containing basic compound having a nitrogen atom as a bonding site) Represents a substituent).
- Preferred examples of the compound of the formula (1) include the compound (A).
- X 1 represents a hydrogen atom or a halogen atom
- X 2 represents a halogen atom
- X 3 represents a hydrogen atom or a halogen atom
- R 16 represents a hydrogen atom or an acyl group.
- R 1 7 represents a Ashiru group
- R 1 8 is hydrogen atom, ⁇ alkyl group having from 1 to 6 carbon atoms, or the formula:
- the substituent R 16 represents a hydrogen atom or an acyl group.
- the acyl group may be either aliphatic or aromatic, and may further have a substituent. Examples of such a substituent include a lower alkyl group and a halogen atom. Examples of the alkyl group include a methyl group, an ethyl group, and a propyl group, and examples of the halogen atom include a fluorine atom, a chlorine atom, and a bromine atom.
- Examples of the acryl group include a formyl group, an acetyl group, a propanol group, a butyl group, a benzoyl group, a fluoroacetyl group, a difluoroacetyl group, a trifluoroacetyl group, a chloroacetyl group, a dichloroacetyl group, and a trichloroacetyl group.
- a formyl group an acetyl group, a propanol group, a butyl group, a benzoyl group, a fluoroacetyl group, a difluoroacetyl group, a trifluoroacetyl group, a chloroacetyl group, a dichloroacetyl group, and a trichloroacetyl group.
- an acetyl group or a substituted acetyl group is preferable, and an acety
- : 17 is an acyl group, which can be considered the same as described for R 16 .
- R 16 and R 17 are simultaneously an acyl group, they may be the same or different.
- R 18 is a hydrogen atom, a lower alkyl group, or the following formula -B ( 5 ) 2
- R 5 represents a halogen atom or an acyloxy group.
- R 5 When R 5 is a lower alkyl group, these may have 1 to 6 carbon atoms, may be linear or branched, and may further include a cyclic portion. Specific examples of the alkyl group include a methyl group, an ethyl group, and an isopropyl group.
- R 5 is preferably a halogen atom or an acyloxy group.
- halogen atom a fluorine atom is preferred.
- Ashiruokishi group it may be a Ashiru group such as shown embodiment the R 1 6 and R 1 7 are as Ashiru group.
- the acetyl group is preferably an acetyl group or a substituted acetyl group. More preferably, it is an acetyl group.
- a dihalogenoboron group is preferable, and a difluoroboron group is particularly preferable.
- R—H is represented, for example, by the formula (3).
- R 6 and R 7 are the same or different and each may be a carbon which may be substituted by any group selected from a substituent group (halogen, C! 6 alkyl group, Ci-s alkoxy group) Alkyl group having 1 to 6 carbon atoms, alkyl group having 1 to 6 carbon atoms, aryl group having 6 to 10 carbon atoms, aralkyl group having 7 to 12 carbon atoms, acyl group having 1 to 6 carbon atoms, carbon A cycloalkyl group of the formulas 3 to 6 or a hydrogen atom Wherein the cycloalkyl group, aryl group, and aralkyl group may contain at least one heteroatom selected from a nitrogen atom, an oxygen atom, and a sulfur atom to form a heterocyclic ring. It has the following characteristics.
- amines such as ethylamine, butylamine, getylamine, isopropylamine, tert-butylamine, diisopropylamine, benzylamine, benzylmethylamine, dipendylamine, cyclopropylamine, cyclohexylamine, and aniline.
- amines such as ethylamine, butylamine, getylamine, isopropylamine, tert-butylamine, diisopropylamine, benzylamine, benzylmethylamine, dipendylamine, cyclopropylamine, cyclohexylamine, and aniline.
- R 6 and R 7 may be taken together with the nitrogen atom to which they are attached to form ⁇ , wherein the ring formed is monocyclic, bicyclic, or tricyclic.
- the nitrogen-containing heterocyclic substituent may be saturated or unsaturated, may further contain one or more heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, and may have a bicyclo structure or a spirocyclic structure. May be
- this heterocyclic substituent has the characteristic that any one or more groups selected from substituent groups (1), (2) and (3) may be substituted.
- Substituent group 3 Halogen atom, hydroxyl group, sorbamoyl group, ⁇ ⁇ 6 alkoxy group
- the substituent group ⁇ ⁇ which may have a substituent1 is the substituent group A (amino group, halogen, hydroxyl group, Rubamoiru group, C 2 _ 6 alkyl group, C 2-6 alkoxy, C 2-6 alkylamino group, C 2-6 alkylthio group, a thiol group, a nitro group, Shiano group, a carboxyl group, phenyl group, C 2 _ 6 alkoxycarbonyl group, C 2 _ 5 Ashiru group), and substituent group B (halogen, hydroxyl, C 6 alkoxy groups, C 6 alkyl And any one or more groups selected from an alkyl group, an alkoxy group, an alkylthio group, an alkoxycarbonyl group, and an acyl group, which are substituted with one or more groups selected from a thi
- Substituent group may have a substituent 2, A 3, 6 alkyl group, ⁇ preparative 6 alkoxy group, C 6 i.
- Aryl group and heteroaryl group (5-membered or 6-membered ring, which may contain 1 to 4 heteroatoms arbitrarily selected from N, 0, and S)
- the alkyl group portion of the substituent group 2 may have a cyclic structure
- a C 1-6 alkyl group which may have one or more groups selected from a substituent group C (hydroxyl group, halogen, 6 alkylthio group, 6 alkoxy group) (this alkyl group has a cyclic structure) As a 1 or 2 substituent
- alkyl group when they may be the same or different. They may be protected by a protecting group.
- a monocyclic, bicyclic, or tricyclic nitrogen-containing heterocyclic substituent in which a nitrogen atom present in the molecule is a binding site More preferably, a monocyclic, bicyclic, or tricyclic nitrogen-containing heterocyclic substituent in which a nitrogen atom present in the molecule is a binding site
- This nitrogen-containing heterocyclic substituent is saturated or unsaturated, and may further contain one or more heteroatoms selected from a nitrogen atom, an oxygen atom and a sulfur atom,
- the nitrogen-containing heterocyclic substituent includes a halogen atom, an amino group, a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms, an aminoamino group having 1 to 6 carbon atoms, and a An alkylamino group having 1 or 2 alkyl groups of 6 or more, and may have one or more groups selected from the group consisting of
- alkyl group portion of these alkyl groups, halogenoalkyl groups, aminoalkyl groups and alkylamino groups may have a cyclic structure, and further include a halogen atom, an alkyl group having 1 to 6 carbon atoms and an alkyl group having 1 to 6 carbon atoms. May have one or more groups selected from the group consisting of alkoxy groups as a substituent,
- the amino group of the amino group, the aminoalkyl group and the alkylamino group may be protected by a protecting group.
- a cyclic structure formed when the “alkyl group portion has a cyclic structure” when a spirocyclic structure is formed and bonded to a nitrogen-containing heterocyclic substituent, one of the bonds becomes a cycloalkylene group and one of the bonds is nitrogen-containing.
- an alkyl group may be bonded to the nitrogen-containing heterocyclic substituent to form a spirocyclic structure in a chain form, or to form a cycloalkyl structure.
- R 12 and R 13 are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cyclic alkyl group having 3 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms , hydroxyalkyl groups having 1 to 6 carbon atoms or represents a protecting group of the Amino group, or by R 1 2 and R 1 3 gar body I spoon, form the shape of the polyalkylene chain of 2 to 6 carbon atoms May form a cyclic structure containing the nitrogen atom to which R 12 and R
- R 14 and R 15 are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cyclic alkyl group having 3 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms, or 1 carbon atom Represents from 6 to 6 hydroxyalkyl groups, or
- integrally it spoon is R 1 4 and R 1 5, to form a polyalkylene chain having 2 to 6 carbon atoms, to form a cyclic structure containing a carbon atom R 1 4 and R 1 5 are attached Moyo
- R ⁇ is a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, a cyclic alkyl group having 3 to 6 carbon atoms, a halogenoalkyl group having 1 to 6 carbon atoms, and 1 carbon atom.
- a hydroxyalkyl group or a polyalkylene group having 2 to 6 carbon atoms in this case, a ring structure is formed including an atom to which R ⁇ is bonded
- m and n are each independently Represents an integer from 1 to 4.
- Examples of the protecting group for the amino group include, for example, (substituted) alkoxycarbonyl groups such as tertiary butoxycarbonyl group, 2,2,2-trichloroethoxycarbonyl group; benzyloxycarbonyl group, paramethoxybenzyloxycarbonyl (Substituted) aralkyloxycarbonyl groups, such as acetyl group, methoxyacetyl group, trifluoroacetyl group, chloroacetyl group, bivaloyl group, formyl group, benzoyl group, etc.
- alkoxycarbonyl groups such as tertiary butoxycarbonyl group, 2,2,2-trichloroethoxycarbonyl group
- benzyloxycarbonyl group paramethoxybenzyloxycarbonyl (Substituted) aralkyloxycarbonyl groups, such as acetyl group, methoxyacetyl group, trifluoroacety
- (Substituted) acyl group tertiary butyl group, benzyl group, paranitrobenzyl group, paramethoxybenzyl group, (substituted) alkyl group or (substituted) aralkyl group such as triphenylmethyl group; methoxymethyl group, tertiary butoxy group Methyl group, tetrahydroviranyl group, 2, 2, 2- (Substituted) ethers such as ethoxymethyl group at the mouth of the liquid; (alkyl and Z or trimethylsilyl group, isopropyldimethylsilyl group, tertiary butyldimethylsilyl group, tribenzylsilyl group, tertiary butyldiphenylsilyl group, etc.) Aralkyl) and substituted silyl groups.
- a preferable compound is the compound (B).
- R 13 and R 2 Q each independently represent a hydrogen atom, a lower alkyl group, or an amino-substituted cyclopropyl group (this amino group may have a substituent or a protecting group.)] Or R 19 and R 2 ° are integrated as
- One (CH 2) 2 - in becomes group represented may form a spiro cyclic structure together with the pyrrolidine ring, R 2 1 is also have or substituent or protecting group represents a halogen atom Represents a good amino group.
- R 1 9, R 2 0 and R 2 1 is a substituent of the pyrrolidine ⁇ .
- R 1 9 And R 2G is, independently, a hydrogen atom, a lower alkyl group, or Amino or substituted cyclopropyl group (this amino group may. Which may have a substituent group or a protected group), or a R 19 R 2Q is integrated and the following formula
- R 21 is a halogen atom or an amino group which may have a substituent or a protecting group.
- R 19 and R 20 are lower alkyl groups, they may have 1 to 6 carbon atoms, may be linear or branched, and may further include a cyclic portion.
- Specific examples of the alkyl group include a methyl group, an ethyl group, and an isopropyl group.
- R 19 and R 2G may be an amino-substituted cyclopropyl group, that is, an amino group which may have a substituent or a protecting group is a cyclopropyl group substituted on a cyclopropane ring. is there.
- the protecting group for the amino group on the cyclopropane ring is not particularly limited as long as it is commonly used in this field, and those exemplified above may be used.
- Examples of the substituent other than the protecting group include a lower alkyl group, and the same as the above-described lower alkyl group.
- substitution position of the amino group on the cyclopropyl group may be on the carbon atom at which the cyclopropyl group is bonded to the 7-position of the quinoline nucleus, but may be any other position.
- R 21 is a halogen atom, it is a fluorine atom or a chlorine atom.
- the amino group may have a substituent or a protecting group, the protecting group or the substituent is the same as the amino group when R 19 or R 20 is an amino-substituted cyclopropyl group.
- R 22 , R 23 and R 24 are the same substituents on the pyrrolidine ring as R 19 , R 20 and R 21 described above.
- R 22 , R 23 and R 24 are different from R 19 , R 20 and R 21 in that they are an amino group from which a protecting group is removed or a substituent containing an amino group from which a protecting group is removed, In the case of other substituents, Good.
- the amino group at the 5-position (or a site corresponding thereto) of the quinolone skeleton is converted to an acylamino group by an acylation reaction.
- the boron chelation reaction is a reaction for introducing a boron-containing substituent into the carboxyl group, which may be an ester, at the 3-position (or a site corresponding thereto).
- the present inventor has found. Starting materials for these reactions include, for example, those of formula (E)
- X 1 represents a hydrogen atom or a halogen atom
- X 2 and X 3 each independently represent a halogen atom
- R 25 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
- an acid anhydride or an acid halide may be used as the acylating agent used in the acylation reaction in this step.
- the acid anhydride include acetic anhydride, trifluoroacetic anhydride, anhydrous phenylacetic acid, propionic anhydride, and benzoic anhydride.
- Acid halides include acetyl chloride, acetylpromide, and propionyl chloride.
- Z5 examples thereof include chloride and benzoic acid chloride.
- the amount of the acylating agent to be used may be 1 equivalent to a large excess with respect to compound (E).
- an acid halide it is preferable to use, for example, tertiary amines such as triethylamine and pyridine, and a nitrogen-containing heterocyclic compound (which may be aromatic, saturated or partially saturated).
- boron chelating agent used for the boron chelation reaction a boron compound capable of forming a boron chelate with a carboxyl group or a carbonyl group may be used.
- boron trihalide compounds may be used, and ether complexes of these trihaloboron compounds can be suitably used.
- boron trifluoride getyl ether complex, boron trifluoride tetrahydrofuran complex and the like can be mentioned.
- tetrafluoroboric acid tetrafluoroboric acid which is an analogous compound of trifluoroboron may be used.
- a dihaloboron group in particular, a difluoroboron group can be introduced.
- tetrafluoroboric acid is preferable as a reagent for simultaneously performing both acylation and dihaloboron chelation by reacting in the presence of an acid anhydride.
- the boron-containing group may be not only a halogen-substituted boron group but also an acyloxy-substituted boron group.
- the introduction of an acyloxyboron group may be carried out by preparing an acyloxyboron chelating agent in advance with boric acid and an acid anhydride and reacting it.
- the amount of the boron chelating agent to be used may be in the range of 1 to 10 equivalents, preferably 1 to 5 equivalents, relative to compound (E).
- This reaction may be carried out in a solvent, and any solvent can be used as long as it is inert to the reaction.
- aromatic hydrocarbon solvents such as toluene and xylene; ester solvents such as ethyl acetate; ether solvents such as tetrahydrofuran and methyl ether; ketone solvents such as acetone and methyl isobutyl ketone; nitriles such as acetonitrile Solvents such as dimethylformamide, dimethylacetamide, N-methylpyrrolidone, etc.
- Rulfoxide-based solvents examples thereof include chlorine-based solvents such as dichloromethane and chloroform.
- the acylating reagent itself may be used as a solvent.
- an acid anhydride used as the acylating reagent, it is preferable to use it as a solvent.
- the solvent may be used in an amount of 5 to 20 times the amount of the compound (E) (for example, 5 to 20 ml per 1 g of the compound (E)).
- the reaction temperature may range from 130 ° C to the reflux temperature of the solvent or acylating agent.
- the reaction time may usually be in the range of 1 to 10 hours.
- the compound obtained by simultaneously performing acylation and boron chelation has higher reactivity with the basic substituent compound. It is preferable to implement.
- difluoroboronation is preferred for boron chelation in view of ease of reaction. That is, it is preferable to carry out the reaction between the acid anhydride and the dihaloborating agent. Specifically, it is preferable to react acetic anhydride and tetrafluoroboric acid to acetylate the amino group and to introduce a difluoroboron group into the carboxyl group.
- the compound (1) has a basic substituent
- a base as an acid acceptor may be present, if desired.
- the amount of the basic substituent conjugate used may be in the range of 110 mol, preferably 1 mol, per mol of the quinolone compound represented by the general formula (1).
- the range is 3 moles, and more preferably the range is 1 to 1.5 moles.
- the organic solvent used in the production method of the present invention is not particularly limited as long as it is inert to the reaction.
- aromatic solvents such as toluene and xylene; ester solvents such as ethyl acetate; Tetrahydrofuran, getyl ether Ether solvents, such as acetone, methyl isobutyl ketone, etc., nitrile solvents, such as acetonitrile, dimethylformamide, dimethylacetamide, 1,3-dimethyl-2-imidazolidinone, etc.
- Solvent a sulfoxide solvent such as dimethyl sulfoxide, a sulfone solvent such as sulfolane, a chlorine solvent such as dichloromethane, and chloroform, and the like, preferably, acetate nitrile, dimethylformamide, 1 , 3-dimethyl-12-imidazolidinone, dimethylsulfoxide, sulfolane and the like are preferred. In some cases, it is not necessary to use a solvent, and the presence of a reaction solvent is not essential.
- the base as an acid acceptor optionally used in the production method of the present invention is usually triethylamine, N, N-diisopropylethylamine, 1,8-diazabicyclo [5.4.0] —7— Pendene, 1,4-diazabicyclo [2.2.2] octane, 1,5-diazabicyclo [4.3.0] —5-nonene, pyridin, etc., trialkylamine, aryldialkylamine , (N-substituted) organic amines such as heterocyclic compounds, sodium carbonate, carbonated sodium carbonate, sodium hydrogencarbonate, potassium hydrogencarbonate, etc., and alkali metal or alkali earth metal salts of carbonic acid or hydrogencarbonate compounds, etc.
- the amount of the base used may be from an equivalent amount to an excess amount, but is generally used up to about 3 equivalents.
- the reaction temperature in the production method of the present invention may be a lower limit of 0 ° C. and an upper limit of 200 ° C., and may be a temperature up to the boiling point of the solvent to be used. When used, the lower limit is 0 ° C; preferably 40 ° C, and the upper limit is 80 ° C, preferably 50 ° C.
- the lower limit is 1 X 10 7 P a, preferably 1. 5xl 0 7 Pa
- the upper limit is 5 X 10 8 P a, preferably 3. 5 x 10 8 P a.
- the reaction under high pressure may be carried out in a reaction vessel that can sufficiently withstand such high pressure.
- the series of high pressure reaction operations is shown below.
- the reaction time in the production method of the present invention is not particularly limited, but may be about 3 to 24 hours. However, even when the reaction is carried out in this manner, the raw materials may remain. In such a case, the yield of the desired product can be increased by temporarily suspending the reaction, recovering the raw materials, and then subjecting the reaction to the reaction again. According to the method of the present application, since the decomposition of the raw material compound is suppressed, the raw material compound can be recovered to the extent that it can be reused, which is useful.
- the substitution reaction can be performed by reacting the basic substituent compound as follows. For example, compound (C) can be obtained by reacting compound (A) with compound (B) in the presence or absence of a base.In this case, X 3 or compound (B) Depending on the structure, pressure may not be required.
- the base to be used may be the same as described above, and examples thereof include a nitrogen-containing heterocyclic compound (which may be aromatic, saturated, or partially saturated), a tertiary amine compound or a secondary amine compound (from the type of substituent). And aromatic hydrocarbons, aliphatics, aralkyls, nitrogen-containing heterocyclics, etc.
- the substituents may be either a single one or a scrambled one. )) Equivalent organic compounds.
- inorganic bases may be used, and examples thereof include potassium carbonate, potassium hydroxide, and the like, alkali metal compounds, carbonates, hydroxides, and hydrogen bicarbonates of alkaline earth metal compounds.
- hydrogenated sodium Platinum or potassium tert-butoxide may be used as alkoxide.
- the base may be used in the range of 1 to 10 equivalents to compound (A).
- This reaction is generally performed in a solvent, but any solvent can be used as long as it is inert to the reaction.
- aromatic hydrocarbon solvents such as toluene and xylene; ester solvents such as ethyl acetate; ether solvents such as tetrahydrofuran and getyl ether; ketone solvents such as acetone and methyl isobutyl ketone; nitriles such as acetonitrile Amide solvents such as dimethylformamide, dimethylacetamide, and 1,3-dimethyl-2-imidazolidinone; sulfoxide solvents such as dimethylsulfoxide; sulfone solvents such as sulfolane; dichloromethane; Chlorinated solvents such as mouth form can be exemplified.
- acetonitrile dimethylformamide, dimethylacetamide, 1,3-dimethyl-12-imidazolidinone, dimethylsulfoxide, sulfolane and the like.
- solvents may be used in an amount of about 2 to 50 times the amount of the compound (A).
- the reaction temperature may be in the range of 0 ° C. to the reflux temperature of the solvent, but is preferably in the range of 30 ° C. to 90 ° C., especially when the compound (A) is a boron chelate compound. A range from C to 50 ° C is preferred.
- the reaction time may be generally in the range of 15 hours to 20 days.
- Compound (D) can be obtained by a hydrolysis reaction of compound (C).
- the hydrolysis reaction in this step converts an acylated amino group and a boron-chelated carboxyl group into an amino group and a carboxyl group, respectively.
- the step of removing the protecting group, if any, is included.
- This reaction may be performed under known hydrolysis reaction conditions, and examples include reaction conditions such as acidic conditions and alkaline conditions.
- Examples of the acid used for the hydrolysis reaction under acidic conditions include inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, and phosphoric acid, trifluoroacetic acid, paratoluenesulfonic acid, methanesulfonic acid, and trifluoromethanesulfonic acid.
- Organic acids such as acids can be mentioned.
- hydrolysis using an acid hydrolysis using an inorganic acid is preferable.
- examples of the alkali used in the hydrolysis reaction under alkaline conditions include sodium hydroxide, hydroxylated lime and the like.
- This reaction may be carried out in an aqueous solution of the above acid or alkali.
- the reaction can also be carried out in an organic solvent such as methanol, ethanol or isopropanol or a water-containing organic solvent.
- the solvent may be used in an amount of 5 to 20 times the amount of the compound (C).
- the reaction temperature may be in the range of 0 ° C to the reflux temperature of the solvent.
- the reaction time may usually be in the range of 1 to 10 hours.
- the protecting group When an amino group is present in the compound (B) reacted to obtain the compound (C) and the amino group has a protecting group, it is necessary to remove this protecting group as well.
- the elimination reaction of the protecting group may be carried out simultaneously if the same conditions as those for the above-mentioned hydrolysis reaction are sufficient.
- the protecting group When deprotection is performed separately from the hydrolysis reaction, the protecting group may be removed by a known method according to the type of protection used.
- the compound (C-1) is a compound from which the acyl group of the amino group has been removed
- the compound (C-2) is a compound from which the protecting group on the substituent, especially the amino group, has been removed.
- the protective group can be removed stepwise, and these compounds can be obtained.
- R 18 When R 18 is an ester, it may be hydrolyzed under acidic or basic conditions. When R 18 is a boron chelate, the boron chelate can be cleaved and converted to a carboxylic acid by heat treatment in a protic solvent in the presence of a base if desired.
- BEST MODE FOR CARRYING OUT THE INVENTION When R 18 is an ester, it may be hydrolyzed under acidic or basic conditions.
- R 18 When R 18 is a boron chelate, the boron chelate can be cleaved and converted to a carboxylic acid by heat treatment in a protic solvent in the presence of a base if desired.
- HPLC high performance liquid chromatography
- the reaction solution was washed with ethyl acetate to a total volume of 128 mL, and washed twice with a 5% aqueous solution of citric acid (3 OmL) to separate an organic phase and an aqueous phase.
- the aqueous phase was extracted three times with ethyl acetate, and this was combined with the previous organic phase and extracted three times with a 5% potassium hydroxide aqueous solution (3 OmL).
- Cloth form (9 OmL) was added to the aqueous phase, and 3N hydrochloric acid was further added until the pH reached 4, whereby the organic phase and the aqueous phase were separated.
- the aqueous phase was extracted twice with black-mouthed form and combined with the previous organic phase and dried over anhydrous sodium sulfate.
- the solvent was distilled off under reduced pressure, and 5-acetylamino 17-[(3S, 4R) 14- (1-tert-butoxycarbonylaminocyclopropyl) -13-fluoropyrrolidinyl] —6— Fluoro-1 _ [(1R, 2S) -1-fluoro-1-cyclopropyl] -1,4-dihydro-8-methyl-14-oxoquinoline-13-carboxylic acid (4.92 g, purity 90.0%, yield) 89.2%) was obtained as a yellow amorphous.
- Compounds (3) and (5) are known or can be easily produced according to known methods (for example, JP-A-2-231475, JP-A-8-277284, JP-A-9-67368). Publication Nos. WO 97/19072, WO 97/40037, WO 98/02431, WO 98/13370, WO 98/18783). Further, some of the compounds are synthesized by the method shown in Reference Examples, but are not limited thereto.
- reaction solution was washed successively with a 10% aqueous solution of citric acid (100 ml), water (100 ml), and a saturated aqueous solution of sodium hydrogen carbonate (100 ml), and dried over anhydrous sodium sulfate.
- the solvent was distilled off under reduced pressure, and the residue was subjected to silica gel column chromatography. Clonal form: Elution with methanol (50: 1) (20: 1) gave 11.32 g (82%) of the title compound as a brown oil.
- the composition containing 1-cyclopropyl-1-propene-11one described in Reference Example 1 was used. Drying of the powder (8.01 g) and N- (primary butoxymethyl) -N- [1- (R) -phenylethyl] trimethylsilylmethylamine (23.2 g, 79.9 mmo 1) (350 ml), and trifluoroacetic acid (50 Ojl) was added dropwise. After stirring at room temperature for 12 hours, the reaction solution was washed with saturated aqueous sodium hydrogen carbonate (100 ml) and then with saturated saline (100 ml). After drying over anhydrous magnesium sulfate, filtration and concentration under reduced pressure.
- Cyclobutylmagnesium chloride (1 N tetrahydrofuran solution, 28 ml) prepared from chlorocyclobutane in a tetrahydrofuran solution (50 ml) of ( ⁇ -methyl- ⁇ -methoxy) carboxamide (1.93 g, 7. O Omol) under a nitrogen atmosphere ) was added dropwise, followed by stirring at room temperature for 30 minutes.
- To the reaction solution was added 1N hydrochloric acid (50 ml) under ice-cooling, followed by extraction with ethyl acetate (8 Oml ⁇ 2). The organic layer was washed with saturated saline (100 ml) and dried over anhydrous sodium sulfate. .
- the organic layer was washed with saturated saline (150 ml) and dried over anhydrous sodium sulfate.
- the solvent was distilled off under reduced pressure, the residue was dissolved in N, N, -dimethylformamide (30 ml), sodium azide (1.46 g, 22.5 mmol 1) was added, and the mixture was stirred at 60 ° C for 3 hours. Stirred. After allowing to cool, water (150 ml) was added to the reaction solution, extracted with ethyl acetate (150 ml ⁇ 3), and the organic layer was washed with saturated saline (15 Oml) and dried over anhydrous sodium sulfate.
- the pH of the basic aqueous solution was adjusted to 7.4 with 1 N hydrochloric acid, and the mixture was extracted with black-mouthed form (150 ml ⁇ 5). After drying over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure. The obtained residue was purified by recrystallization from isopropyl alcohol to give 2.98 g (7.58 mmol, 76%) of the title compound as yellow crystals.
- the production method of the present invention performs the reaction in a short time by applying pressure in a closed system
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Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01906267A EP1258478A4 (en) | 2000-02-25 | 2001-02-23 | PROCESS FOR THE PREPARATION OF CHINOLONCARBOXYLIC ACIDS AND THEIR INTERMEDIATE PRODUCTS |
| AU2001234159A AU2001234159A1 (en) | 2000-02-25 | 2001-02-23 | Process for producing quinolonecarboxylic acids and intermediates thereof |
| US10/204,550 US6825353B2 (en) | 2000-02-25 | 2001-02-23 | Process for producing quinolonecarboxylic acids and intermediates thereof |
| IL15145101A IL151451A0 (en) | 2000-02-25 | 2001-02-23 | Process for producing quinolonecarboxylic acids and intermediates thereof |
| HK03100295.9A HK1048119A1 (en) | 2000-02-25 | 2001-02-23 | Process for producing quinolonecarboxylic acids and intermediates thereof |
| KR1020027011068A KR20020075447A (ko) | 2000-02-25 | 2001-02-23 | 퀴놀론카복실산의 제조방법 및 이의 중간체 |
| CA002400819A CA2400819A1 (en) | 2000-02-25 | 2001-02-23 | Method for producing quinolonecarboxylic acids and intermediates thereof |
| NO20024046A NO20024046L (no) | 2000-02-25 | 2002-08-23 | Fremgangsmåte for fremstilling av kinolonkarboksylsyrer og mellomprodukter derav |
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| JP2000054349 | 2000-02-25 | ||
| JP2000-54349 | 2000-02-25 | ||
| JP2000-117208 | 2000-04-13 | ||
| JP2000117208 | 2000-04-13 |
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| WO2001062734A1 true WO2001062734A1 (en) | 2001-08-30 |
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| PCT/JP2001/001370 Ceased WO2001062734A1 (en) | 2000-02-25 | 2001-02-23 | Process for producing quinolonecarboxylic acids and intermediates thereof |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1258478A4 (ja) |
| KR (1) | KR20020075447A (ja) |
| CN (1) | CN1426399A (ja) |
| AU (1) | AU2001234159A1 (ja) |
| CA (1) | CA2400819A1 (ja) |
| HK (1) | HK1048119A1 (ja) |
| IL (1) | IL151451A0 (ja) |
| NO (1) | NO20024046L (ja) |
| RU (1) | RU2002122758A (ja) |
| WO (1) | WO2001062734A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005030752A1 (ja) * | 2003-09-29 | 2005-04-07 | Daiichi Pharmaceutical Co., Ltd. | 8−シアノキノロンカルボン酸誘導体 |
| CN1305849C (zh) * | 2004-12-29 | 2007-03-21 | 江苏正大天晴药业股份有限公司 | 3-甲氨基哌啶及其盐的制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2299205C2 (ru) | 2000-02-09 | 2007-05-20 | Дайити Фармасьютикал Ко., Лтд. | Средство против кислотоустойчивых бактерий, содержащее пиридонкарбоновые кислоты в качестве активного компонента |
| CN101830815B (zh) * | 2010-03-03 | 2014-01-29 | 伊泰(北京)合成技术有限公司 | 环状化合物及以其作为中间体制备氮杂螺环化合物的方法 |
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| EP0641793A1 (en) * | 1993-08-27 | 1995-03-08 | Hokuriku Seiyaku Co., Ltd. | 5-Amino-8-methyl-7-pyrrolidinylquinoline-3-carboxylic acid derivative |
| EP0806421A1 (en) * | 1995-01-24 | 1997-11-12 | Hokuriku Seiyaku Co., Ltd. | Quinolinecarboxylic acid derivatives |
| EP0911328A1 (en) * | 1995-11-22 | 1999-04-28 | Daiichi Pharmaceutical Co., Ltd. | Substituted aminocycloalkylpyrrolidine derivatives |
| JPH11158150A (ja) * | 1997-11-26 | 1999-06-15 | Ihara Chem Ind Co Ltd | 5−アミノ−1−シクロプロピル−4−オキソキノリン−3−カルボン酸誘導体とその製造方法 |
| JP2000247970A (ja) * | 1999-02-26 | 2000-09-12 | Hokuriku Seiyaku Co Ltd | 5−アミノ−8−メチル−7−ピロリジニルキノリン−3−カルボン酸誘導体の製造法及びその製造中間体 |
| JP2000319261A (ja) * | 1999-05-13 | 2000-11-21 | Dai Ichi Seiyaku Co Ltd | キノロンカルボン酸類の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3420743A1 (de) * | 1984-06-04 | 1985-12-05 | Bayer Ag, 5090 Leverkusen | 7-amino-1-cyclopropyl-6,8-dihalogen-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| DE3906365A1 (de) * | 1988-07-15 | 1990-01-18 | Bayer Ag | 7-(1-pyrrolidinyl)-3-chinolon- und -naphthyridoncarbonsaeure-derivate, verfahren sowie substituierte (oxa)diazabicyclooctane und -nonane als zwischenprodukte zu ihrer herstellung, und sie enthaltende antibakterielle mittel und futterzusatzstoffe |
| KR950014567B1 (ko) * | 1991-08-01 | 1995-12-08 | 주식회사대웅제약 | 신규한 퀴놀론 카르복실산 유도체 |
| DE4342186A1 (de) * | 1993-12-10 | 1995-06-14 | Bayer Ag | Eintopfverfahren zur Herstellung von 3-Chinoloncarbonsäurederivaten |
-
2001
- 2001-02-23 AU AU2001234159A patent/AU2001234159A1/en not_active Abandoned
- 2001-02-23 HK HK03100295.9A patent/HK1048119A1/en unknown
- 2001-02-23 KR KR1020027011068A patent/KR20020075447A/ko not_active Withdrawn
- 2001-02-23 CN CN01808558A patent/CN1426399A/zh active Pending
- 2001-02-23 WO PCT/JP2001/001370 patent/WO2001062734A1/ja not_active Ceased
- 2001-02-23 EP EP01906267A patent/EP1258478A4/en not_active Withdrawn
- 2001-02-23 IL IL15145101A patent/IL151451A0/xx unknown
- 2001-02-23 CA CA002400819A patent/CA2400819A1/en not_active Abandoned
- 2001-02-23 RU RU2002122758/04A patent/RU2002122758A/ru not_active Application Discontinuation
-
2002
- 2002-08-23 NO NO20024046A patent/NO20024046L/no not_active Application Discontinuation
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| EP0641793A1 (en) * | 1993-08-27 | 1995-03-08 | Hokuriku Seiyaku Co., Ltd. | 5-Amino-8-methyl-7-pyrrolidinylquinoline-3-carboxylic acid derivative |
| EP0806421A1 (en) * | 1995-01-24 | 1997-11-12 | Hokuriku Seiyaku Co., Ltd. | Quinolinecarboxylic acid derivatives |
| EP0911328A1 (en) * | 1995-11-22 | 1999-04-28 | Daiichi Pharmaceutical Co., Ltd. | Substituted aminocycloalkylpyrrolidine derivatives |
| JPH11158150A (ja) * | 1997-11-26 | 1999-06-15 | Ihara Chem Ind Co Ltd | 5−アミノ−1−シクロプロピル−4−オキソキノリン−3−カルボン酸誘導体とその製造方法 |
| JP2000247970A (ja) * | 1999-02-26 | 2000-09-12 | Hokuriku Seiyaku Co Ltd | 5−アミノ−8−メチル−7−ピロリジニルキノリン−3−カルボン酸誘導体の製造法及びその製造中間体 |
| JP2000319261A (ja) * | 1999-05-13 | 2000-11-21 | Dai Ichi Seiyaku Co Ltd | キノロンカルボン酸類の製造方法 |
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| HASHIMOTO, SHIRO ET AL.: "Aminolysis of halogenopyridines at high pressures", HETEROCYCLES, vol. 27, no. 2, 1988, pages 319 - 322, XP002942281 * |
| KOTSUKI, HIYOSHIZO ET AL.: "High pressure organic chemistry. XI. A new convenient synthesis of aromatic amines from activated phenols", SYNTHESIS, no. 12, 1990, pages 1145 - 1147, XP002942280 * |
| MATSUMOTO KIYOSHI ET AL.: "High pressure synthesis of new Ag+Ion-specific crown ethers", TETRAHEDRON LETTERS, vol. 31, no. 27, 1990, pages 3923 - 3926, XP002942279 * |
| See also references of EP1258478A4 * |
| YOSHIDA, TOSHIHIKO ET AL.: "Studies on quinolone antibacterials. V. Synthesis and antibacterial activity of chiral 5-amino-7-(4-substituted-3-amino-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-8-methyl-4-oxoquinoline-3-carboxylic acids and derivatives", CHEM. PHARM. BULL., vol. 44, no. 7, 1996, pages 1376 - 1386, XP002942278 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005030752A1 (ja) * | 2003-09-29 | 2005-04-07 | Daiichi Pharmaceutical Co., Ltd. | 8−シアノキノロンカルボン酸誘導体 |
| JPWO2005030752A1 (ja) * | 2003-09-29 | 2007-11-15 | 第一製薬株式会社 | 8−シアノキノロンカルボン酸誘導体 |
| US7723524B2 (en) | 2003-09-29 | 2010-05-25 | Daiichi Pharmaceutical Co., Ltd. | 8-cyanoquinolonecarboxylic acid derivative |
| JP4619952B2 (ja) * | 2003-09-29 | 2011-01-26 | 第一三共株式会社 | 8−シアノキノロンカルボン酸誘導体 |
| CN1305849C (zh) * | 2004-12-29 | 2007-03-21 | 江苏正大天晴药业股份有限公司 | 3-甲氨基哌啶及其盐的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020075447A (ko) | 2002-10-04 |
| HK1048119A1 (en) | 2003-03-21 |
| CA2400819A1 (en) | 2001-08-30 |
| EP1258478A1 (en) | 2002-11-20 |
| AU2001234159A1 (en) | 2001-09-03 |
| IL151451A0 (en) | 2003-04-10 |
| CN1426399A (zh) | 2003-06-25 |
| RU2002122758A (ru) | 2004-01-10 |
| NO20024046L (no) | 2002-10-24 |
| EP1258478A4 (en) | 2006-03-15 |
| NO20024046D0 (no) | 2002-08-23 |
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