WO2010113458A1 - 1,5-ベンゾジアゼピン誘導体の製造法 - Google Patents
1,5-ベンゾジアゼピン誘導体の製造法 Download PDFInfo
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- WO2010113458A1 WO2010113458A1 PCT/JP2010/002237 JP2010002237W WO2010113458A1 WO 2010113458 A1 WO2010113458 A1 WO 2010113458A1 JP 2010002237 W JP2010002237 W JP 2010002237W WO 2010113458 A1 WO2010113458 A1 WO 2010113458A1
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- 0 *c(cccc1)c1N* Chemical compound *c(cccc1)c1N* 0.000 description 2
- CXNXHSFTTADEGG-MGFKIWBESA-N O=C([C@@H](C1)N1C(C(F)(F)F)=O)OCc1ccccc1 Chemical compound O=C([C@@H](C1)N1C(C(F)(F)F)=O)OCc1ccccc1 CXNXHSFTTADEGG-MGFKIWBESA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
- C07D243/10—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
- C07D243/12—1,5-Benzodiazepines; Hydrogenated 1,5-benzodiazepines
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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
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
- A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/02—Antineoplastic agents specific for leukemia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
- C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
- C07C271/26—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
- C07C271/28—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
- C07C311/16—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom
- C07C311/19—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D203/00—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom
- C07D203/04—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D203/06—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D203/16—Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with acylated ring nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
- C07D243/10—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
- C07D243/14—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to an industrially advantageous method for producing a 1,5-benzodiazepine derivative useful as a medicine.
- R 1 represents a linear, branched or cyclic alkyl group
- R 6 represents an alkyl group or an acylalkyl group
- Y represents a single bond or an alkylidene group
- a salt thereof having an excellent gastrin / CCK-B receptor antagonistic action and gastric acid secretion inhibitory action, as well as peptic ulcer, digestive organ cancer, leukemia, pituitary tumor, small lung cell It is known to be useful as a preventive and therapeutic drug for sex cancer, thyroid cancer, neuroastrocytoma, cancer pain, etc. (Patent Documents 1 to 5).
- the 3-amino-1,5-benzodiazepin-2-one skeleton is obtained from 2-nitroaniline through 8 steps.
- a method of forming a desired substituent on the 1st and 5th nitrogen atoms on the benzodiazepine skeleton and the 3rd amino group is known.
- this method has many steps up to the 3-amino-1,5-benzodiazepin-2-one skeleton, and is not suitable as an industrial production method.
- Patent Document 2 aspartic acid is used as a starting material, and 2-amino-3-benzyloxycarbonylaminopropionic acid is obtained through 3-amino-2-t-butoxycarbonylaminopropionic acid.
- a method is described in which a fluoroaminobenzene is reacted, a 3-amino-1,5-benzodiazepine skeleton is formed by further reducing and ring-closing reactions, and a cyclohexane skeleton, pinacolyl acid and the like are sequentially introduced thereto.
- this method has not only a large number of steps but also a risk of generating hydrogen fluoride, which is a harmful substance, and has a problem that it is not suitable for mass synthesis.
- An object of the present invention is to provide an industrially advantageous production method of the 1,5-benzodiazepine compound of the general formula (A) useful as a medicine.
- the present inventor examined a new method for forming a 3-amino-1,5-benzodiazepin-2-one skeleton.
- the N-alkylaniline derivative in which an alkyl group was previously introduced into the amino group of the aniline derivative was subjected to N-
- acylaziridine-2-carboxylic acid is reacted, a selective ring-opening reaction at the aziridine ⁇ -position occurs, and N-alkylanilino-2-aminopropionic acid is obtained in a one-step reaction.
- the present invention has the general formula (1)
- R 1 represents a linear, branched, or cyclic alkyl group
- R 2 represents a group that generates an amino group, an alkylamino group, or an acylalkylamino group by a reduction reaction or a hydrolysis reaction
- aniline derivative represented by the general formula (2)
- R 1 represents a linear, branched, or cyclic alkyl group
- R 2 represents a group that generates an amino group, an alkylamino group, or an acylalkylamino group by a reduction reaction or a hydrolysis reaction
- aniline derivative represented by the general formula (2)
- R 3 represents an ester residue, and A represents a protecting group containing a sulfonyl group or a carbonyl group
- R 3 represents an ester residue, and A represents a protecting group containing a sulfonyl group or a carbonyl group
- R 1 represents a linear, branched, or cyclic alkyl group
- R 2 represents a group that generates an amino group, an alkylamino group, or an acylalkylamino group by a reduction reaction or a hydrolysis reaction
- aniline derivative represented by the general formula (2)
- R 3 represents an ester residue, and A represents a protecting group containing a sulfonyl group or a carbonyl group
- R 3 represents an ester residue, and A represents a protecting group containing a sulfonyl group or a carbonyl group
- R 5 represents a hydrogen atom, an alkyl group or an acylalkyl group, and R 1 and A are the same as above
- R 5 is a hydrogen atom
- an alkyl halide or an acylalkyl halide is reacted, and then the protective group A is eliminated to give a general formula (6)
- R a represents a hydrogen atom or a benzyloxycarbonyl group
- R 3a represents a hydrogen atom or a benzyl group
- X represents a halogen atom
- the present invention provides a compound of the general formula (5a)
- R 5a represents a hydrogen atom or a 3,3-dimethyl-2-oxobutyl group, and X represents a halogen atom
- a salt thereof
- the compound (A) useful as a medicine can be produced with a small number of steps and in a high yield. There is no generation of harmful components such as hydrogen fluoride during the reaction process, which is advantageous for industrial production.
- the method of the present invention can be represented by the following reaction formula.
- Z represents a halogen atom
- Ar represents an aryl group
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , A and Y are the same as described above.
- R 1 represents a linear, branched or cyclic alkyl group, preferably an alkyl group having 1 to 10 carbon atoms, more preferably a linear or branched alkyl group having 1 to 10 carbon atoms or 3 to 10 carbon atoms. And a monocyclic or bicyclic cycloalkyl group is preferable, and a cyclohexyl group is particularly preferable.
- R 2 represents a group that generates an amino group, an alkylamino group, or an acylalkylamino group by a reduction reaction or a hydrolysis reaction.
- the groups that generate these amino groups or substituted amino groups by reduction reaction include nitro group, nitroso group, azide group, hydroxyamino group, benzyloxycarbonylamino group, N-benzyloxycarbonyl-alkylamino group, N -Benzyloxycarbonyl-acylalkylamino group and the like.
- Examples of groups that generate these amino groups or substituted amino groups by hydrolysis reaction include a butoxycarbonylamino group, an N-butoxycarbonyl-alkylamino group, and an N-butoxycarbonyl-acylalkylamino group. Of these, a benzyloxycarbonylamino group, an N-benzyloxycarbonyl-alkylamino group, and an N-benzyloxycarbonyl-acylalkylamino group are particularly preferable.
- examples of the alkylamino group include alkylamino groups having 1 to 6 carbon atoms, such as a methylamino group, an ethylamino group, and a propylamino group.
- acylalkylamino group examples include a C 2 -C 6 alkanoyl-C 1 -C 6 alkylamino group, and examples thereof include an acetylmethyl group, a propanoylmethyl group, and a pinacolyl group, and among these, a pinacolyl group is particularly preferable.
- ester residue represented by R 3 examples include an alkyl group, a benzyl group, a substituted benzyl group, a trialkylsilyl group and the like, and more specifically, a C 1 -C 8 alkyl group, a benzyl group, a halogenobenzyl group. , A nitrobenzyl group, a tri-C 1 -C 6 alkylsilyl group, and the like.
- A represents a protecting group containing a sulfonyl group or a carbonyl group, and examples thereof include a carbamate protecting group, an amide protecting group or a sulfonamide protecting group which are usually used as a protecting group for an amino group.
- substituted sulfonyl groups such as p-toluenesulfonyl group and methanesulfonyl group; aralkyloxycarbonyl groups such as benzyloxycarbonyl group; alkyloxycarbonyl groups such as butoxycarbonyl group; alkanoyl groups such as acetyl group; Examples thereof include trihalogenoacetyl groups such as a fluoroacetyl group and a trichloroacetyl group.
- a trihalogenoacetyl group represented by —COCX 3 (X represents a halogen atom) is particularly preferable because the compound (3) can be selectively obtained and the yield of the elimination reaction is high.
- X represents a halogen atom, preferably a fluorine atom or a chlorine atom, and particularly preferably a fluorine atom.
- Z represents a halogen atom, preferably a chlorine atom or a bromine atom.
- Examples of the amino group, alkylamino group, and acylalkylamino group represented by R 4 include the same groups as those described above for R 2 .
- Examples of the aryl group optionally having a substituent represented by R 7 and the aryl group represented by Ar include a phenyl group, a halogenophenyl group, an alkylphenyl group, and a nitrophenyl group.
- Y represents a single bond or an alkylidene group, and examples thereof include a single bond, a dimethylmethylidene group, and a diethylmethylidene group, and a single bond is particularly preferable.
- a compound in which R 1 is a cyclohexyl group and R 2 is a benzyloxycarbonylamino group is a novel compound, for example, 2-cyclohexylaminoaniline and benzyloxycarbonyl halide.
- N-trifluoroacetylaziridine-2-carboxylic acid benzyl ester is a novel compound, for example, Bull. Chem. Soc. Jpn. According to the description in 1978, 51, 1577, it can be produced by a method of reacting an aziridine ester with trihalogenoacetic anhydride in the presence of a base.
- the reaction of the compound (1) and the compound (2) may be performed at room temperature to 200 ° C. in an appropriate solvent, and more preferably at 80 ° C. to 110 ° C.
- the solvent is preferably a nonpolar hydrocarbon solvent, more preferably an aromatic hydrocarbon solvent such as toluene or xylene.
- R 1 is preferably an alkyl group in order to selectively cause aziridine ⁇ -position ring-opening reaction, and in particular, linear alkyl, branched alkyl or cyclo It is preferably an alkyl group, and more preferably an alkyl group having one hydrogen atom on the carbon atom bonded to the nitrogen atom. Accordingly, R 1 is preferably a C 1 -C 8 linear alkyl group, a C 3 -C 8 branched alkyl group, a C 3 -C 6 cycloalkyl group, and further a C 3 -C 6 cycloalkyl group, A cyclohexyl group is particularly preferable.
- the substituent on the nitrogen atom of the aziridine ring is particularly preferably a trihalogenoacetyl group.
- the substituent A on the nitrogen atom of the aziridine ring is particularly preferably a trifluoroacetyl group from the viewpoint of the selectivity of the ring-closing reaction described later.
- ring-opening reaction of aziridine is known (WO97 / 05129, JP-A-10-203987, J. Chem. Soc. Perkin Trans. 1, 1997, 3219), but like the reaction of the present invention. It is not known at all that the aziridine ring-opening reaction by an aniline derivative and an N-acylaziridine compound, particularly an N-trihalogenoacetylaziridine compound, occurs selectively at the ⁇ -position.
- the reaction between the compound (1) and the compound (2) is also preferable from the viewpoint of selectively obtaining stereoisomers. That is, if the stereoisomer of compound (2) is used as shown in the following reaction formula, the stereoisomer of compound (3) can be selectively obtained.
- R 3 in the compound (3) is converted to R 4 .
- the reduction reaction can be carried out using, for example, either a method of reacting hydrogen in the presence of a catalyst (catalytic reduction) or a method using a reducing agent, but catalytic reduction is preferred.
- the catalyst include a palladium-based catalyst or a platinum-based catalyst such as palladium carbon, palladium, platinum oxide, platinum carbon, and the like.
- the reaction solvent is preferably a nonpolar hydrocarbon solvent, particularly an aromatic hydrocarbon solvent such as toluene or hexane.
- the compound (5) is obtained by subjecting the obtained compound to a ring-closing reaction. This reaction may be performed at room temperature to 80 ° C. in the same hydrocarbon solvent as described above.
- reaction from the compounds (1) and (2) to the compound (5) can use a hydrocarbon solvent as a reaction solvent and can be carried out continuously without isolating the product during the reaction. It is extremely advantageous as an industrial production method.
- R 5 in the compound (5) is a hydrogen atom
- R 5 can be converted to R 6 by reacting the compound (5) with an alkyl halide or an acylalkyl halide.
- This N-alkylation reaction is carried out in the presence of a base such as potassium carbonate, sodium carbonate or sodium hydroxide, and optionally in the presence of a phase transfer catalyst such as tetrabutylammonium bromide.
- ether solvents such as tetrahydrofuran and dioxane, toluene, ethyl acetate, N, N-dimethylformamide, dimethyl sulfoxide and the like are used.
- reaction can also be carried out in a two-phase system such as a water-toluene system using a phase transfer catalyst such as tetrabutylammonium bromide.
- the reaction can usually be carried out in the range of ⁇ 78 to 150 ° C.
- Compound (6) can be obtained by removing protecting group A of compound (5).
- the elimination reaction of the protective group A is preferably elimination by hydrolysis. This reaction may be performed at 0 to 100 ° C. by adding an ordinary hydrolysis reaction, for example, an acid such as hydrochloric acid.
- an acid such as hydrochloric acid.
- the solvent alcohols such as ethanol, halogenated hydrocarbons such as chloroform, ethers such as dioxane and diethyl ether, and aromatic hydrocarbons such as toluene and xylene are used.
- the reaction from compound (6) to compound (A) includes (a) a method in which compound (6) is reacted with compound (7); (b) a compound (6) is reacted with halogenoformic acid aryl ester (9). The compound (10) is obtained and then reacted with the compound (8) (see WO2001 / 040197).
- the reaction of the compound (6) and the compound (7) is preferably performed in the presence of a base such as triethylamine or potassium carbonate.
- a base such as triethylamine or potassium carbonate.
- the reaction is carried out in the range of 0 ° C. to reflux temperature, and dimethylformamide, dimethyl sulfoxide or the like is used as a reaction solvent.
- the reaction between the compound (6) and the compound (9) is preferably performed in a solvent such as tetrahydrofuran or dimethylformamide in the presence of a base such as potassium carbonate or triethylamine.
- the reaction temperature is preferably 0 ° C. to reflux temperature.
- the reaction of the compound (10) and the compound (8) is preferably performed in a solvent such as tetrahydrofuran or dimethylformamide in the presence of a base such as potassium carbonate or triethylamine.
- a reaction solvent of 0 ° C. to room temperature is sufficient.
- the obtained compound (A) can be converted into an alkali metal salt, an alkaline earth metal salt, etc. by a conventional method, but is preferably replaced with a calcium salt, and in particular, ammonia water and a calcium chloride solution are sequentially added to obtain calcium.
- a salt is preferred.
- R a represents a hydrogen atom or a benzyloxycarbonyl group
- R 3a represents a hydrogen atom or a benzyl group
- X represents a halogen atom
- R a is a hydrogen atom
- R 3a is a hydrogen atom
- X is a fluorine atom
- R a is a benzyloxycarbonyl group
- R 3a is a benzyl group
- X is a fluorine atom
- R 5a represents a hydrogen atom or a 3,3-dimethyl-2-oxobutyl group, and X represents a halogen atom
- R 5a represents a hydrogen atom or a 3,3-dimethyl-2-oxobutyl group
- X represents a halogen atom
- compounds in which R 5a is a hydrogen atom and X is a fluorine atom; and compounds in which R 5a is a 3,3-dimethyl-2-oxobutyl group (pinacolyl group) and X is a fluorine atom are particularly preferred preferable.
- a toluene solution of amino) -2- (2,2,2-trifluoroacetamido) propionic acid was obtained.
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Abstract
Description
で表される化合物およびその塩は、優れたガストリン/CCK-B受容体拮抗作用及び胃酸分泌抑制作用を有し、消化性潰瘍だけでなく、消化器癌、白血病、下垂体腫瘍、肺小細胞性癌、甲状腺癌、神経星状細胞腫、がん性疼痛等の予防治療薬として有用であることが知られている(特許文献1~5)。
で表されるアニリン誘導体に、一般式(2)
で表されるアジリジン誘導体を反応させることを特徴とする一般式(3)
で表される化合物又はその塩の製造法を提供するものである。
で表されるアニリン誘導体に、一般式(2)
で表されるアジリジン誘導体を反応させて一般式(3)
で表される化合物を得、得られた化合物を還元反応又は加水分解反応に付して一般式(4)
で表される化合物とし、次いで閉環反応に付すことを特徴とする一般式(5)
で表される1,5-ベンゾジアゼピン誘導体の製造法を提供するものである。
で表されるアニリン誘導体に、一般式(2)
で表されるアジリジン誘導体を反応させて一般式(3)
で表される化合物を得、得られた化合物を還元反応又は加水分解反応に付して一般式(4)
で表される化合物とし、次いで閉環反応に付して一般式(5)
で表される1,5-ベンゾジアゼピン誘導体とし、R5が水素原子である場合にはアルキルハライド又はアシルアルキルハライドを反応させ、次いで保護基Aを脱離させて一般式(6)
で表される化合物を得、(a)該化合物(6)に一般式(7)
で表される化合物を反応させるか、又は(b)該化合物(6)にハロゲノギ酸アリールエステルを反応させ、次いで一般式(8)
で表される化合物を反応させることを特徴とする、一般式(A)
で表される化合物又はその塩の製造法を提供するものである。
で表される化合物又はその塩を提供するものである。
さらに、本発明は、一般式(5a)
で表される化合物又はその塩を提供するものである。
ここで、Xはハロゲン原子を示すが、フッ素原子又は塩素原子が好ましく、フッ素原子が特に好ましい。Zはハロゲン原子を示すが、塩素原子又は臭素原子が好ましい。
上記化合物(5a)のうち、R5aが水素原子、Xがフッ素原子である化合物;及びR5aが3,3-ジメチル-2-オキソブチル基(ピナコリル基)、Xがフッ素原子である化合物が特に好ましい。
工程1
ベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイトの製造
公知の方法(J.Chem.Soc.1957,4559)に従って製造したN-シクロヘキシルベンゼン-1,2-ジアミン5.7gをN,N-ジメチルホルムアミド57mLに溶解し、トリエチルアミン3.34g及びクロロ炭酸ベンジル5.63gを室温にて加え、40℃にて3時間攪拌した。反応液に水100mLと酢酸エチル100mLを加え分液し、有機層を水、飽和食塩水にて順次洗浄した後、減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1→5:1)で精製し、さらにIPA/水(5/1)から結晶化して標記化合物8.5gを得た。収率87%
1H-NMR(400MHZ, DMSO-d6)δ:0.85-1.26 (3H, m), 1.27-1.39 (2H, m), 1.54-1.62 (1H, m), 1.64-1.73 (2H, m), 1.87-1.94 (2H, m), 3.20-3.33 (1H, m), 4.56 (1H, d, J = 6.8 Hz), 5.12 (2H, s), 6.53 (1H, t, J = 7.5 Hz), 6.63 (1H, d, J = 8.2 Hz), 6.96 (1H, t, J = 7.7 Hz), 7.18 (1H, d, J = 5.8 Hz), 7.31-7.46 (5H, m), 8.31 (1H, brs).
MS (FAB) m/z 325 [M+H]+
ベンジル 2-(シクロヘキシルアミノ)フェニル(3,3-ジメチル-2-オキソブチル)カーバメイトの製造
アルゴン雰囲気下、ベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト1.9gをテトラヒドロフラン19mLに溶解し、氷冷後水素化ナトリウム279mgを加え15分攪拌した。1-ブロモ-3,3-ジメチル-2-ブタノン867μLをゆっくりと滴下し、さらに30分攪拌した。反応液に水100mLと酢酸エチル100mLを加え分液し、有機層を水、飽和食塩水にて順次洗浄した後、減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)で精製し、MeOHから結晶化して標記化合物1.9gを得た。収率78%
1H-NMR(400MHZ, DMSO-d6)δ:0.99 (1.8H, s), 1.04-1.24 (10.2H, m), 1.24-1.39 (2H, m), 1.53-1.62 (1H, m), 1.64-1.73 (2H, m), 1.81-1.94 (2H, m), 3.21-3.32 (1H, m), 4.07-4.32 (0.8H, m), 4.63-4.72 (1H, m), 4.95-5.12 (1.6H, m), 5.26 (0.2H, d, J = 7.9 Hz), 5.48 (0.4H, d, J = 7.9Hz), 6.47-6.53 (0.8H, m), 6.60-6.66 (1H, m), 6.79 (0.2H, d, J = 4.4Hz), 7.02-7.09 (2H, m), 7.17-7.40 (5H, m).
MS (FAB) m/z 423 [M+H]+
アルゴン雰囲気下、公知の方法(Bull.Chem.Soc.Jpn.1978,51,1577)に従って製造した(R)-ベンジル アジリジン-2-カルボン酸1.8gをトルエン18mLに溶解し、ドライアイス-アセトンバスにて冷却した。炭酸カリウム1.7g及び無水トリフルオロ酢酸2.5gを加え、そのまま3.5時間攪拌した。反応液に水18mLを加え分液した後、有機層を減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)で精製して標記化合物1.2gを得た。収率44%
1H-NMR(400MHZ, DMSO-d6)δ: 2.78 (1H, d, J = 3.3 Hz), 2.93 (1H, d, J = 5.9 Hz), 3.87 (1H, dd, J = 3.3, 5.9 Hz), 4.01 (1H, d, J = 7.0 Hz), 4.04 (1H, d, J = 7.0 Hz), 7.36-7.40 (5H, m).
MS (FAB) m/z 274 [M+H]+
工程1
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドの製造
実施例1に記載の方法によって得られたベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト324mgと実施例2に記載の方法によって得られた(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸273mgをトルエン1.45mLに溶解し、2時間加熱還流して、(R)-ベンジル 3-((2-(ベンゾイルオキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸のトルエン溶液を得た。
なお、反応液の一部をとりカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、(R)-ベンジル 3-((2-(ベンゾイルオキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸であることを確認した。
1H-NMR(400MHZ, DMSO-d6)δ:0.88-1.17 (5H, m), 1.46-1.53 (1H, m), 1.60-1.68 (2H, m), 1.70-1.78 (2H, m), 2.52-2.61 (1H, m), 3.42 (1H, dd, J = 8.9, 13.3 Hz), 3.58 (1H, dd, J = 5.8, 13.3 Hz), 4.09-4.15 (1H, m), 5.02-5.21 (4H, m), 7.01-7.06 (1H, m), 7.12-7.19 (2H, m), 7.22-7.46 (11H, m), 7.91 (1H, d, J = 8.0 Hz), 9.92 (1H, d, J = 7.6 Hz).
MS (FAB) m/z 598 [M+H]+
(R)-ベンジル 3-((2-(ベンゾイルオキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸のトルエン溶液を放冷し、10%パラジウム-炭素(53%含水)60mgを加えた後、水素雰囲気下室温で13時間攪拌した。反応液を濾過し、減圧濃縮後、残渣をカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、表題化合物312mgを得た。収率88%
1H-NMR(400MHZ, DMSO-d6)δ:1.10-1.42 (4H, m), 1.49-1.68 (4H, m), 1.72-1.81 (1H, m), 1.94-2.02 (1H, m), 3.19-3.27 (1H, m), 3.34 (1H, dd, J = 6.9, 10.3 Hz), 3.62 (1H, t, J = 10.3 Hz), 4.31-4.39 (1H, m), 7.00-7.03 (2H, m), 7.11-7.20 (2H, m), 9.69 (1H, d, J = 8.1 Hz), 9.86 (1H, s).
MS (FAB) m/z 356 [M+H]+
1H-NMR(400MHZ, DMSO-d6)δ:0.97-1.43 (5H, m), 1.47-2.01 (5H, m), 2.63-2.72 (1H, m), 3.36 (1H, dd, J = 8.1, 13.6 Hz), 3.55 (1H, dd, J = 5.0, 13.6 Hz), 4.10-4.18 (1H, m), 6.50-6.58 (1H, m), 6.68 (1H, dd, J = 1.4, 7.8 Hz), 6.81-6.86 (1H, m), 7.00 (1H, d, J = 7.8 Hz), 9.56 (1H, brs).
MS (FAB) m/z 374 [M+H]+
(R)-N-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドの製造
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミド200mgをトルエン2mLに溶解し、炭酸カリウム94mg、臭化テトラブチルアンモニウム9mg及び1-ブロモ-3,3-ジメチル-2-ブタノン91μLを順次添加した。室温で5時間攪拌し、水10mLを加え分液し、有機層を飽和食塩水にて洗浄した後、減圧濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)で精製して標記化合物155mgを得た。収率61%
1H-NMR(400MHZ, DMSO-d6)δ:1.10-1.41 (4H, m), 1.15 (9H, s), 1.43-1.65 (3H, m), 1.66-1.83 (2H, m), 1.98-2.16 (1H, m), 3.16-3.27 (2H, m), 3.70 (1H, dd, J = 9.5, 11.6 Hz), 4.44 (1H, dd, J = 7.2, 11.6 Hz), 4.51 (1H, d, J = 8.2Hz), 4.99 (1H, d, J = 8.2 Hz), 7.05-7.14 (2H, m), 7.18-7.30 (2H, m), 9.71 (1H, s).
MS (FAB) m/z 454 [M+H]+
(R)-3-アミノ-5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-4,5-ジヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-2(3H)-オンの製造
(R)-N-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミド155mgをトルエン1.6mLに溶解し、濃塩酸1.6mLを添加した後、60℃にて3時間攪拌した。反応液に水10mLを加えて分液し、有機層をさらに水10mLにて抽出した。水層を合わせて氷冷し、25%水酸化ナトリウム水溶液を加えて、pH10とした。水層を酢酸エチル10mLで2回抽出し、得られた酢酸エチル層を飽和食塩水10mLで洗浄後、減圧濃縮した。残渣をシリカゲルクロマトグラフィー(クロロホルム:メタノール=20:1)で精製して表題化合物119mgを得た。収率98%
1H-NMR(400MHZ, DMSO-d6)δ:1.11-2.00 (12H, m), 1.17 (9H, s), 3.05-3.23 (3H, m), 3.27-3.32 (1H, m), 4.28 (1H, d, J = 8.0 Hz), 5.10 (1H, d, J = 8.0 Hz), 6.93 (1H, d, J = 7.5 Hz), 7.01 (1H, dd, J = 2.2, 6.3 Hz), 7.02-7.23 (2H, m).
MS (FAB) m/z 358 [M+H]+
(R)-3-(3-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)ウレイド)安息香酸一水和物の製造
(R)-3-アミノ-5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-4,5-ジヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-2(3H)-オン740mgをジメチルスルホキシド4mLに溶解し、トリエチルアミン810μLおよび3-(フェノキシカルボニルアミド)安息香酸532mgを加え、60℃で2時間攪拌した。氷冷下、エタノール7.4mL及び1N 塩酸水溶液7.4mLを加え、一晩攪拌した。析出した固体を濾取し、エタノール/水(1/1)で洗浄することで、表題化合物780mgを得た。収率70%
1H-NMR(400MHZ, DMSO-d6)δ:1.13-1.28 (2H, m), 1.18 (9H, s), 1.31-1.42 (2H, m), 1.47-1.70 (4H, m), 1.72-1.80 (1H, m), 1.96-2.02 (1H, m), 3.08-3.46 (3H, m), 4.34-4.42 (2H, m), 5.12 (1H, d, J = 8.1 Hz), 6.61 (1H, d, J = 7.4 Hz), 7.01 (1H, dd, J = 1.0, 7.9 Hz), 7.06-7.12 (1H, m), 7.23-7.34 (3H, m), 7.46-7.50 (2H, m), 7.989(1H, t, J = 1.8 Hz), 9.03 (1H, s), 12.92 (1H, brs).
MS (FAB) m/z 521 [M+H]+
(R)-3-(3-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)ウレイド)安息香酸 カルシウムの製造
(R)-3-(3-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)ウレイド)安息香酸一水和物220mgをエタノール2.2mLに懸濁し、氷冷下で濃アンモニア水264μLを加え溶解した。反応液に塩化カルシウム30.5mgの水溶液220μLを加え30分攪拌し、水を加え析出した粉末を濾取した。濾取した粉末を水:エタノール=2:1の混合溶媒で洗浄することにより、表記化合物210mgを得た。収率92%
1H-NMR(400MHZ, DMSO-d6)δ:0.94-1.96 (38H, m), 3.21-3.44 (6H, m), 4.36-4.43 (4H, m), 5.12 (2H, d), 6.77 (2H, d), 7.00-7.29 (10H, m), 7.52-7.56 (4H, m), 7.90 (2H, s), 9.16 (2H, s).
MS (FAB) m/z 1079 [M+H]+
実施例1に記載の方法によって得られたベンジル 2-(シクロヘキシルアミノ)フェニル(3,3-ジメチル-2-オキソブチル)カーバメイト800mgと実施例2に記載の方法によって得られた(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸517mgをトルエン2.74mLに溶解し、Ar雰囲気下4時間加熱還流することで、(R)-ベンジル 3-((2-((ベンゾイルオキシカルボニル)(3,3-ジメチル-2-オキソブチル)アミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸のトルエン溶液を得た。
なお、反応液の一部をとりカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、(R)-ベンジル 3-((2-((ベンゾイルオキシカルボニル)(3,3-ジメチル-2-オキソブチル)アミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸であることを確認した。
1H-NMR(400MHZ, DMSO-d6)δ:0.51-1.78 (19H, m), 2.80-3.01 (1H, m), 3.39-3.59 (1H, m), 3.70-3.80 (1H, m), 4.05-4.23 (1H, m), 4.67-5.20 (6H, m), 6.98-7.41 (14H, m), 9.80-9.91 (1H, m).
MS (FAB) m/z 696 [M+H]+
なお、反応液の一部をとりカラムクロマトグラフィー(クロロホルム:メタノール=10:1)にて精製し、(R)-3-(シクロヘキシル(2-(3,3-ジメチル-2-オキソブチルアミノ)フェニル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸であることを確認した。
1H-NMR(400MHZ, DMSO-d6)δ:0.84-1.98 (19H, m), 2.51-2.64 (1H, m), 3.23-4.33 (5H, m), 5.46 (1H, brs), 6.55-6.67 (2H, m), 6.97 (1H, t, J = 7.4 Hz), 7.10 (1H, d, J = 7.8 Hz), 9.39 (1H, d, J = 8.2 Hz), 12-88-13.44 (1H, brs).
MS (FAB) m/z 472 [M+H]+
なお、反応液の一部をとりカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、(R)-N-(5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-2-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドであることを確認した。
実施例1のクロロ炭酸ベンジルを二炭酸ジ-tert-ブチルに代えて同様に反応を行うことで、標記化合物を得た。収率86%
1H-NMR(400MHZ, DMSO-d6)δ:1.11-1.25 (3H, m), 1.28-1.40 (2H, m), 1.45 (9H, s), 1.55-1.63 (1H, m), 1.67-1.74 (2H, m), 1.88-1.96 (2H, m), 3.10-3.21 (1H, m), 4.55 (1H, brs), 6.51 (1H, t, J = 7.5 Hz), 6.61 (1H, d, J = 8.2 Hz), 6.91-6.96 (1H, m), 7.13 (1H, d, J = 7.5 Hz), 8.35 (1H, s).
MS (FAB) m/z 291 [M+H]+
工程1
(R)-ベンジル 3-((2-アミノフェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸の製造
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイトを実施例5に記載の方法により製造したtert-ブチル 2-(シクロヘキシルアミノ)フェニルカーバネイトに代えて同様に反応を行うことで、(R)-ベンジル 3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸のトルエン溶液を得た。
なお、反応液の一部をとりカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、(R)-ベンジル 3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸であることを確認した。
1H-NMR(400MHZ, DMSO-d6)δ:0.87 (5H, m), 1.43 (9H, s), 1.47-1.55 (1H, m), 1.63-1.81 (4H, m), 2.51-2.62 (1H, m), 3.42 (1H, dd, J = 9.4, 13.2 Hz), 3.60 (1H, dd, J= 5.4, 13.2 Hz), 4.07-4.14 (1H, m), 5.09 (1H, d, J = 12.7 Hz), 5.17 (1H, d, J = 12.7 Hz), 6.98-7.07 (1H, m), 7.10-7.20 (2H, m), 7.22-7.28 (1H, m), 7.30-7.43 (5H, m), 7.88 (1H, d, J = 8.1 Hz), 9.92 (1H, d, J = 7.8 Hz).
MS (FAB) m/z 564 [M+H]+
(R)-ベンジル 3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸のトルエン溶液に、濃塩酸1.6mLを加えて、65℃で4.5時間攪拌した。放冷後、飽和重曹水を加えて反応液のpHを10とした後、有機層を分離した。有機層を飽和食塩水で洗浄後、残渣をカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=8:1)にて精製し、表題化合物477mgを得た。収率56%
1H-NMR(400MHZ, DMSO-d6)δ:0.91-1.24 (5H, m), 1.45-1.90 (5H, m), 2.59-2.70 (1H, m), 3.47-3.71 (2H, m), 4.20-4.39 (1H, m), 4.68-5.12 (3H, m), 7.05-7.40 (9H, m), 9.81-9.90 (1H, brs).
MS (FAB) m/z 464 [M+H]+
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドの製造
(R)-ベンジル 3-((2-アミノフェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸400mgをトルエン4mLに溶解し、10%パラジウム-炭素(53%含水)260mgを加えた後、水素雰囲気下室温で13時間攪拌した。反応液を濾過し、濾液をカラムクロマトグラフィー(クロロホルム:メタノール=10:1)にて精製し、(R)-3-(シクロヘキシル(2-(3,3-ジメチル-2-オキソブチルアミノ)フェニル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸を得た。
工程1
(R)-メチル 3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸の製造
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸を、実施例5に記載の方法により製造したtert-ブチル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び公知の方法(J.Chem.Soc.Chem.Commun.1987,153)により製造した(R)-メチル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸に代えて同様に反応を行うことで、表記化合物を得た。収率75%
1H-NMR(400MHZ, DMSO-d6)δ:0.91-1.04 (1H, m), 1.06-1.25 (4H, m), 1.44 (9H, s), 1.48-1.56 (1H, m), 1.65-1.82 (4H, m), 2.42-2.63 (1H, m), 3.39 (1H, dd, J = 9.1, 15.2 Hz), 3.56 (1H, dd, J = 5.8, 13.3 Hz), 3.64 (3H, s), 4.09-4.78 (1H, m), 6.98-7.03 (1H, m), 7.13 (1H, t, J = 7.2 Hz), 7.31 (1H, dd, J = 1.1, 7.9 Hz), 7.66 (1H, s), 7.88 (1H, d, J = 7.9 Hz), 9.89 (1H, s).
MS (FAB) m/z 488 [M+H]+
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドの製造
(R)-メチル 3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(2,2,2-トリフルオロアセトアミド)プロピオン酸242mgをトルエン2.4mLに溶解し、濃塩酸484μLを加えて50℃にて1時間攪拌した。有機層を分離し、減圧濃縮した残渣をカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=10:1)にて精製し、表題化合物158mgを得た。収率90%
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイトを、公知の方法(J.Chem.Soc.1957,4559)により製造したN-シクロヘキシル-2-ニトロアニリンに代えて、加熱還流時間を15時間として同様に反応を行うことで、表記化合物を得た。収率10%
1H-NMR(400MHZ, DMSO-d6)δ:0.96-1.76 (10H, m), 3.06-3.15 (1H, m), 3.53 (1H, dd, J = 8.5, 14.1 Hz), 3.71 (1H, dd, J = 5.6, 14.1 Hz), 4.32-4.42 (1H, m), 5.04 (1H, d, J = 12.7 Hz), 5.13 (1H, d, J = 12.7 Hz), 7.20-7.45 (6H, m), 7.49 (1H, d, J = 7.2 Hz), 7.55-7.60 (1H, m), 7.76 (1H, dd, J = 1.5, 8.1 Hz), 9.58 (1H, d, J = 8.0 Hz).
MS (FAB) m/z 494 [M+H]+
工程1
(R)-メチル3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸の製造
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸を、実施例5に記載の方法により製造したtert-ブチル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び公知の方法(J.Chem.Soc.Chem.Commun.1987,153)により製造した(R)-メチル 1-トシルアジリジン-2-カルボン酸に代え、加熱還流時間を94時間として同様に反応を行うことで、表記化合物を得た。収率88%
1H-NMR(400MHZ, DMSO-d6)δ:0.81-1.14 (5H, m), 1.41-1.59 (2H, m), 1.45 (9H, s), 1.60-1.72 (3H, m), 2.49-2.52 (3H, brs), 3.10-3.21 (2H, m), 3.32-3.34 (1H, m), 3.36 (3H, s), 3.40-3.47 (1H, m), 6.89-6.95 (1H, m), 7.01 (1H, d, J = 7.0 Hz), 7.05-7.12 (1H, m), 7.34 (2H, d, J = 7.1 Hz), 7.52 (2H, d, J = 8.3 Hz), 7.79 (1H, d, J= 7.9 Hz), 8.39 (1H, d, J = 8.0 Hz).
MS (FAB) m/z 546 [M+H]+
(R)-メチル3-((2-アミノフェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸の製造
(R)-メチル3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸320mgを4N 塩酸酢酸エチル溶液に溶解し、室温で1時間攪拌した。反応液に飽和重曹水10mLを加え分液し、水層を酢酸エチル10mLで2回抽出した。有機層を合わせ飽和食塩水で洗浄後、硫酸ナトリウムで乾燥し、減圧濃縮後して表題化合物270mgを得た。収率100%
1H-NMR(400MHZ, DMSO-d6)δ:0.89-1.26 (5H, m), 1.46-1.69 (5H, m), 2.36-2.55 (4H, m), 3.07-3.19 (2H, m), 3.29 (3H, s), 3.46-3.53 (1H, m), 4.56 (1H, d, J = 11.0 Hz), 6.44 (1H, t, J = 7.0 Hz), 6.62 (1H, d, J = 7.9 Hz), 6.67-6.72 (1H, m), 6.78 (1H, t, J = 7.3 Hz), 7.35 (2H, d, J = 8.2 Hz), 7.54 ( 2H, d, J = 8.2 Hz).
MS (FAB) m/z 446 [M+H]+
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-4-メチルベンゼンスルホンアミドの製造
(R)-メチル3-((2-アミノフェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸268mgをo-キシレン2.5mLに溶解し、14時間加熱還流した。反応液をカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=3:1)にて精製し、表題化合物173mgを得た。収率71%
1H-NMR(400MHZ, DMSO-d6)δ:1.03-1.39 (5H, m), 1.48-1.62 (3H, m), 1.67-1.89 (2H, m), 2.36 (3H, s), 3.09-3.17 (2H, m), 3.28 (1H, t, J = 10.1 Hz), 3.72-3.81 (1H, m), 6.91 (1H, d, J = 7.7 Hz), 6.94-7.00 (1H, m), 7.08-7.16 (2H, m), 7.33 (2H, d, J = 8.2 Hz), 7.57 (2H, d, J = 8.2 Hz), 8.07 (1H, d, J = 6.5 Hz), 9.66 (1H, s).
MS (FAB) m/z 414 [M+H]+
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-4-メチルベンゼンスルホンアミドの製造
実施例3の(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-2,2,2-トリフルオロアセトアミドを(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-4-メチルベンゼンスルホンアミドに代えて同様に反応を行うことで標記化合物を得た。収率88%
1H-NMR(400MHZ, DMSO-d6)δ:1.07-1.40 (5H, m), 1.11 (9H, s), 1.47-1.63 (3H, m), 1.67-1.75 (1H, m), 1.88-1.94 (1H, m), 2.36 (3H, s), 3.04 (1H, dd, J = 7.1, 9.3 Hz), 3.08-3.17 (1H, m), 3.28-3.35 (1H, m), 3.88-3.96 (1H, m), 4.17 (1H, d, J = 18.0 Hz), 4.96 (1H, d, J = 18.0 Hz), 7.02 (1H, d, J = 7.6 Hz), 7.08-7.13 (1H, m), 7.20-7.24 (2H, m), 7.29 (2H, d, J = 8.2 Hz), 7.50 (2H, d, J = 8.2 Hz), 8.10 (1H, d, J = 8.7 Hz).
MS (FAB) m/z 512 [M+H]+
(R)-3-アミノ-5-シクロヘキシル-1-(3,3-ジメチル-2-オキソブチル)-4,5-ジヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-2(3H)-オンの製造
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)-4-メチルベンゼンスルホンアミド100mgを48%臭化水素酸に溶解し、1時間加熱還流した。反応液を放冷後、酢酸エチル及び飽和重曹水を加え分液した。有機層を飽和食塩水で洗浄後、硫酸ナトリウムで乾燥し、減圧濃縮した。残渣をカラムクロマトグラフィー(n-ヘキサン:酢酸エチル=7:1→3:1)にて精製し、表題化合物25mgを得た。収率36%
工程1
(R)-メチル3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸の製造
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸を、実施例5に記載の方法により製造したtert-ブチル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び公知の方法(J.Chem.Soc.Chem.Commun.1987,153)により製造した(R)-1-ベンジル 2-メチル アジリジン-1,2-ジカルボン酸に代え、加熱還流時間を61時間として同様に反応を行うことで、表記化合物を得た。収率40%
1H-NMR(400MHZ, DMSO-d6)δ:0.90-1.21 (5H, m), 1.44 (9H, s), 1.45-1.55 (1H, m), 1.63-1.82 (4H, m), 3.24-3.39 (6H, m), 3.75-3.83 (1H, m), 4.97 (1H, d, J = 12.5 Hz), 5.03 (1H, d, J = 12.5 Hz), 6.91-7.02 (1H, m), 7.09-7.13 (1H, m), 7.25-7.40 (6H, m), 7.74-7.88 (3H, m).
MS (FAB) m/z 526 [M+H]+
(R)-メチル2-(ベンゾイルオキシカルボニルアミノ)-3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)プロピオン酸の製造
実施例9の(R)-メチル3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸を(R)-メチル3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸に代えて、同様に反応を行うことで表題化合物を得た。収率99%
1H-NMR(400MHZ, DMSO-d6)δ:0.92-1.25 (5H, m), 1.48-1.55 (1H, m), 1.63-1.78 (4H, m), 3.20-3.40 (2H, m), 3.50 (3H, s), 3.83-3.92 (1H, m), 4.67-4.77 (3H, m), 4.99 (2H, s), 6.52 (1H, t, J = 7.2 Hz), 6.66 (1H, dd, J = 1.3, 8.0 Hz), 6.79-6.83 (1H, m), 7.00 (1H, d, J = 7.7 Hz), 7.32-7.43 (6H, m).
MS (FAB) m/z 426 [M+H]+
(R)-ベンジル1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イルカーバメイトの製造
実施例9の(R)-メチル3-((2-アミノフェニル)(シクロヘキシル)アミノ)-2-(4-メチルフェニルスルホンアミド)プロピオン酸を(R)-メチル2-(ベンゾイルオキシカルボニルアミノ)-3-((2-(tert-ブトキシカルボニルアミノ)フェニル)(シクロヘキシル)アミノ)プロピオン酸に代えて、同様に反応を行うことで表題化合物を得た。収率100%
1H-NMR(400MHZ, DMSO-d6)δ:1.09-1.42 (4H, m), 1.44-1.66 (4H, m), 1.72-1.81 (1H, m), 1.92-2.00 (1H, m), 3.16-3.24 (1H, m), 3.26-3.34 (1H, m), 3.43 (1H, t, J = 11.4 Hz), 4.04-4.13 (1H, m), 4.99 (2H, d, J = 1.4 Hz), 6.95-7.01 (2H, m), 7.09-7.20 (2H, m), 7.28-7.38 (5H, m), 7.52 (1H, d, J = 8.7 Hz), 9.68 (1H, s).
MS (FAB) m/z 394 [M+H]+
工程1
(R)-メチル2-アセトアミド-3-((2-(tert-ブトキシカルボニル)フェニル)(シクロヘキシル)アミノ)プロピオン酸の製造
実施例3のベンジル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び(R)-ベンジル 1-(2,2,2-トリフルオロアセチル)アジリジン-2-カルボン酸を、実施例5に記載の方法により製造したtert-ブチル 2-(シクロヘキシルアミノ)フェニルカーバネイト及び公知の方法(Tetrahedron Asymmetry 1993,4,903)により製造した(R)-メチル 1-アセチルアジリジン-2-カルボン酸に代え、加熱還流時間を94時間として同様に反応を行うことで、表記化合物を得た。収率40%
1H-NMR(400MHZ, DMSO-d6)δ:0.79-1.31 (5H, m), 1.46 (9H, s), 1.48-1.56 (1H, m), 1.65-1.81 (4H, m), 1.82 (3H, s), 3.20-3.27 (1H, m), 3.30-3.41 (2H, m), 3.59 (3H, s), 3.92-3.99 (1H, m), 6.97-7.02 (1H, m), 7.09-7.15 (1H, m), 7.26-7.30 (1H, m), 7.76 (1H, brs), 7.83-7.78 (1H, m), 8.31 (1H, d, J = 7.6 Hz).
MS (FAB) m/z 434 [M+H]+
(R)-N-(1-シクロヘキシル-4-オキソ-2,3,4,5-テトラヒドロ-1H-ベンゾ[b][1,4]ジアゼピン-3-イル)アセトアミドの製造
(R)-メチル2-アセトアミド-3-((2-(tert-ブトキシカルボニル)フェニル)(シクロヘキシル)アミノ)プロピオン酸434mgを4N 塩酸酢酸エチル溶液に溶解し、60℃で4時間攪拌した。反応液に飽和重曹水10mLを加え分液し、水層を酢酸エチル10mLで2回抽出した。有機層を合わせ飽和食塩水で洗浄後、硫酸ナトリウムで乾燥し、減圧濃縮後して表題化合物207mgを得た。収率62%
1H-NMR(400MHZ, DMSO-d6)δ:1.09-1.42 (4H, m), 1.43-1.69 (4H, m), 1.72-1.81 (1H, m), 1.82 (3H, s), 1.91-1.97 (1H, m), 3.15-3.22 (1H, m), 3.25-3.40 (2H, m), 4.36 (1H, dd, J = 3.7, 7.8 Hz), 6.98 (2H, d, J = 4.0 Hz), 7.08-7.18 (2H, m), 8.14 (1H, d, J = 8.2 Hz), 9.68 (1H, s).
MS (FAB) m/z 302 [M+H]+
Claims (8)
- 一般式(1)
(式中、R1は直鎖、分岐鎖又は環状のアルキル基を示し、R2は還元反応又は加水分解反応でアミノ基、アルキルアミノ基又はアシルアルキルアミノ基を生成する基を示す)
で表されるアニリン誘導体に、一般式(2)
(式中、R3はエステル残基を示し、Aはスルホニル基又はカルボニル基を含む保護基を示す)
で表されるアジリジン誘導体を反応させて一般式(3)
(式中、R1、R2、R3及びAは前記と同じ)
で表される化合物を得、得られた化合物を還元反応又は加水分解反応に付して一般式(4)
(式中、R4はアミノ基、アルキアミノ基又はアシルアルキルアミノ基を示し、R1、R3及びAは前記と同じ)
で表される化合物とし、次いで閉環反応に付すことを特徴とする一般式(5)
(式中、R5は水素原子、アルキル基又はアシルアルキル基を示し、R1及びAは前記と同じ)
で表される1,5-ベンゾジアゼピン誘導体の製造法。 - 一般式(1)
(式中、R1は直鎖、分岐鎖又は環状のアルキル基を示し、R2は還元反応又は加水分解反応でアミノ基、アルキルアミノ基又はアシルアルキルアミノ基を生成する基を示す)
で表されるアニリン誘導体に、一般式(2)
(式中、R3はエステル残基を示し、Aはスルホニル基又はカルボニル基を含む保護基を示す)
で表されるアジリジン誘導体を反応させて一般式(3)
(式中、R1、R2、R3及びAは前記と同じ)
で表される化合物を得、得られた化合物を還元反応又は加水分解反応に付して一般式(4)
(式中、R4はアミノ基、アルキアミノ基又はアシルアルキルアミノ基を示し、R1、R3及びAは前記と同じ)
で表される化合物とし、次いで閉環反応に付して一般式(5)
(式中、R5は水素原子、アルキル基又はアシルアルキル基を示し、R1及びAは前記と同じ)
で表される1,5-ベンゾジアゼピン誘導体とし、R5が水素原子である場合にはアルキルハライド又はアシルアルキルハライドを反応させ、次いで保護基Aを脱離させて一般式(6)
(式中、R6はアルキル基又はアシルアルキル基を示し、R1は前記と同じ)
で表される化合物を得、(a)該化合物(6)に一般式(7)
(式中、R7は置換基を有していてもよいアリール基を示し、Yは単結合又はアルキリデン基を示す)
で表される化合物を反応させるか、又は(b)該化合物(6)にハロゲノギ酸アリールエステルを反応させ、次いで一般式(8)
(式中、Yは前記と同じ)
で表される化合物を反応させることを特徴とする、一般式(A)
(式中、R1、R6及びYは前記と同じ)
で表される化合物又はその塩の製造法。 - 一般式(A)で表される化合物を得た後、カルシウム塩に変換して一般式(A)の化合物のカルシウム塩を製造するものである請求項3記載の製造法。
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| SG2011070034A SG174591A1 (en) | 2009-03-31 | 2010-03-29 | Method for manufacturing 1,5-benzodiazepine derivative |
| CA2757208A CA2757208A1 (en) | 2009-03-31 | 2010-03-29 | Method for manufacturing 1,5-benzodiazepine derivative |
| BRPI1009145A BRPI1009145A2 (pt) | 2009-03-31 | 2010-03-29 | método para a fabricação de derivado de benzodiazepina |
| US13/257,531 US20120010401A1 (en) | 2009-03-31 | 2010-03-29 | Method for manufacturing 1,5-benzodiazepine derivative |
| JP2011507011A JPWO2010113458A1 (ja) | 2009-03-31 | 2010-03-29 | 1,5−ベンゾジアゼピン誘導体の製造法 |
| CN201080009742.0A CN102333763A (zh) | 2009-03-31 | 2010-03-29 | 1,5-苯二氮䓬衍生物的制备方法 |
| MX2011010254A MX2011010254A (es) | 2009-03-31 | 2010-03-29 | Metodo para fabricar un derivado de 1,5-benzodiazepina. |
| RU2011143755/04A RU2011143755A (ru) | 2009-03-31 | 2010-03-29 | Способ получения производного 1,5-бензодиазепина |
| EP10758238A EP2415766A4 (en) | 2009-03-31 | 2010-03-29 | METHOD FOR PRODUCING A BENZODIAZEPINE DERIVATIVE |
| AU2010231439A AU2010231439A1 (en) | 2009-03-31 | 2010-03-29 | Method for manufacturing 1,5-benzodiazepine derivative |
| ZA2011/06360A ZA201106360B (en) | 2009-03-31 | 2011-08-30 | Method for manufacturing 1,5-benzodiazepine derivative |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009087746 | 2009-03-31 | ||
| JP2009-087746 | 2009-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010113458A1 true WO2010113458A1 (ja) | 2010-10-07 |
Family
ID=42827768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/002237 Ceased WO2010113458A1 (ja) | 2009-03-31 | 2010-03-29 | 1,5-ベンゾジアゼピン誘導体の製造法 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US20120010401A1 (ja) |
| EP (1) | EP2415766A4 (ja) |
| JP (1) | JPWO2010113458A1 (ja) |
| KR (1) | KR20120027111A (ja) |
| CN (1) | CN102333763A (ja) |
| AU (1) | AU2010231439A1 (ja) |
| BR (1) | BRPI1009145A2 (ja) |
| CA (1) | CA2757208A1 (ja) |
| MX (1) | MX2011010254A (ja) |
| RU (1) | RU2011143755A (ja) |
| SG (1) | SG174591A1 (ja) |
| TW (1) | TW201102371A (ja) |
| WO (1) | WO2010113458A1 (ja) |
| ZA (1) | ZA201106360B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018008569A1 (ja) * | 2016-07-04 | 2018-01-11 | ゼリア新薬工業株式会社 | 1,5-ベンゾジアゼピン化合物カルシウム塩の製造法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690239B (zh) * | 2012-04-01 | 2015-01-28 | 浙江工业大学 | 一种1,5-苯并二氮卓类衍生物的合成方法 |
| AU2014352875B2 (en) | 2013-11-22 | 2019-10-24 | CL BioSciences LLC | Gastrin antagonists (eg YF476, netazepide) for treatment and prevention of osteoporosis |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08509237A (ja) * | 1993-04-23 | 1996-10-01 | グラクソ、ソシエタ、ペル、アツイオーニ | ガストリンまたはcck拮抗剤として有用な1,5‐ベンゾジアゼピン類 |
| WO1997005129A1 (en) | 1995-07-28 | 1997-02-13 | Dainippon Pharmaceutical Co., Ltd. | (r)-5-bromo-n-(1-ethyl-4-methylhexahydro-1h-1,4-diazepin-6-yl)-2-methoxy-6-methylamino-3-pyridine-carboxamide, process for producing the same and medicinal composition containing the same |
| WO1998025911A1 (en) | 1996-12-10 | 1998-06-18 | Zeria Pharmaceutical Co., Ltd. | 1,5-benzodiazepine derivatives |
| JPH10203987A (ja) | 1997-01-28 | 1998-08-04 | Dainippon Pharmaceut Co Ltd | (r)−1−エチル−4−メチルヘキサヒドロ−1h−1,4−ジアゼピン誘導体を有効成分とするモルヒネ様薬剤誘発嘔吐抑制剤 |
| WO1999064403A1 (en) | 1998-06-05 | 1999-12-16 | Zeria Pharmaceutical Co., Ltd. | 1,5-benzodiazepine derivatives |
| WO2001040197A1 (en) | 1999-12-02 | 2001-06-07 | Zeria Pharmaceutical Co., Ltd. | Calcium salts of 1,5-benzodiazepine derivatives, process for producing the salts and drugs containing the same |
| WO2006077793A1 (ja) | 2005-01-19 | 2006-07-27 | Zeria Pharmaceutical Co., Ltd. | 抗腫瘍剤 |
| JP2008012873A (ja) | 2006-07-10 | 2008-01-24 | Fujinon Sano Kk | 射出成形用金型装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| PE20050525A1 (es) * | 2003-05-02 | 2005-09-08 | Elan Pharm Inc | Derivados de pirazol sustituido y compuestos relacionados como antagonistas del receptor de bradiquinina b1 |
| JP2010504967A (ja) * | 2006-09-27 | 2010-02-18 | メルク エンド カムパニー インコーポレーテッド | 新規なβ−ラクタマーゼ阻害剤 |
-
2010
- 2010-03-29 TW TW099109438A patent/TW201102371A/zh unknown
- 2010-03-29 CA CA2757208A patent/CA2757208A1/en not_active Abandoned
- 2010-03-29 BR BRPI1009145A patent/BRPI1009145A2/pt not_active IP Right Cessation
- 2010-03-29 MX MX2011010254A patent/MX2011010254A/es not_active Application Discontinuation
- 2010-03-29 CN CN201080009742.0A patent/CN102333763A/zh active Pending
- 2010-03-29 AU AU2010231439A patent/AU2010231439A1/en not_active Abandoned
- 2010-03-29 US US13/257,531 patent/US20120010401A1/en not_active Abandoned
- 2010-03-29 KR KR1020117020023A patent/KR20120027111A/ko not_active Withdrawn
- 2010-03-29 EP EP10758238A patent/EP2415766A4/en not_active Withdrawn
- 2010-03-29 WO PCT/JP2010/002237 patent/WO2010113458A1/ja not_active Ceased
- 2010-03-29 JP JP2011507011A patent/JPWO2010113458A1/ja active Pending
- 2010-03-29 SG SG2011070034A patent/SG174591A1/en unknown
- 2010-03-29 RU RU2011143755/04A patent/RU2011143755A/ru unknown
-
2011
- 2011-08-30 ZA ZA2011/06360A patent/ZA201106360B/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08509237A (ja) * | 1993-04-23 | 1996-10-01 | グラクソ、ソシエタ、ペル、アツイオーニ | ガストリンまたはcck拮抗剤として有用な1,5‐ベンゾジアゼピン類 |
| WO1997005129A1 (en) | 1995-07-28 | 1997-02-13 | Dainippon Pharmaceutical Co., Ltd. | (r)-5-bromo-n-(1-ethyl-4-methylhexahydro-1h-1,4-diazepin-6-yl)-2-methoxy-6-methylamino-3-pyridine-carboxamide, process for producing the same and medicinal composition containing the same |
| WO1998025911A1 (en) | 1996-12-10 | 1998-06-18 | Zeria Pharmaceutical Co., Ltd. | 1,5-benzodiazepine derivatives |
| JPH10203987A (ja) | 1997-01-28 | 1998-08-04 | Dainippon Pharmaceut Co Ltd | (r)−1−エチル−4−メチルヘキサヒドロ−1h−1,4−ジアゼピン誘導体を有効成分とするモルヒネ様薬剤誘発嘔吐抑制剤 |
| WO1999064403A1 (en) | 1998-06-05 | 1999-12-16 | Zeria Pharmaceutical Co., Ltd. | 1,5-benzodiazepine derivatives |
| WO2001040197A1 (en) | 1999-12-02 | 2001-06-07 | Zeria Pharmaceutical Co., Ltd. | Calcium salts of 1,5-benzodiazepine derivatives, process for producing the salts and drugs containing the same |
| WO2006077793A1 (ja) | 2005-01-19 | 2006-07-27 | Zeria Pharmaceutical Co., Ltd. | 抗腫瘍剤 |
| JP2008012873A (ja) | 2006-07-10 | 2008-01-24 | Fujinon Sano Kk | 射出成形用金型装置 |
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| J. CHEM. SOC. CHEM. COMMUN., 1987, pages 153 |
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| See also references of EP2415766A4 |
| TETRAHEDRON ASYMMETRY, vol. 4, 1993, pages 903 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018008569A1 (ja) * | 2016-07-04 | 2018-01-11 | ゼリア新薬工業株式会社 | 1,5-ベンゾジアゼピン化合物カルシウム塩の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201102371A (en) | 2011-01-16 |
| EP2415766A1 (en) | 2012-02-08 |
| AU2010231439A1 (en) | 2011-10-27 |
| EP2415766A4 (en) | 2012-11-21 |
| US20120010401A1 (en) | 2012-01-12 |
| RU2011143755A (ru) | 2013-05-10 |
| ZA201106360B (en) | 2012-11-28 |
| BRPI1009145A2 (pt) | 2016-04-19 |
| KR20120027111A (ko) | 2012-03-21 |
| MX2011010254A (es) | 2011-10-11 |
| CN102333763A (zh) | 2012-01-25 |
| JPWO2010113458A1 (ja) | 2012-10-04 |
| SG174591A1 (en) | 2011-10-28 |
| CA2757208A1 (en) | 2010-10-07 |
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