摘要:
A method for preparing optically active 1-bromo-1-[3,5-bis(trifluoromethyl)-phenyl]ethane having a high optical purity, which comprises the step of brominating optically active 1-[3,5-bis(trifluoromethyl)phenyl]ethanol by using, as a brominating agent, (a) a combination of a phosphorus halide and hydrogen bromide, (b) a combination of 1,2-dibromo-1,1,2,2-tetrachloroethane and an organic phosphorous compound represented by the general formula (I): P(R1)(R2)(R3) (in the formula, R1, R2, and R3 independently represent a C6-10 aryl group, a C6-10 aryloxy group, a C1-10 alkyl group, a C1-10 alkoxyl group, a C3-6 cycloalkyl group, or a C3-6 cycloalkoxy group), or (c) a combination of N-bromosuccinimide and a dialkyl sulfide.
摘要:
A method for preparing a trans-{4-[(alkylamino)methyl]cyclohexyl}acetic acid, which is useful as a raw material compound for manufacture of medicaments and the like, comprising the step of reducing amide group of a compound represented by the following general formula (6) (R1 represents hydrogen atom or a C1-6 alkyl group, and R2 represents a C1-6 alkyl group, a C3-6 cycloalkyl group, a (C3-6 cycloalkyl)(C1-6 alkyl) group, a C6-10 aryl group, or a C7-12 aralkyl group).
摘要:
Disclosed is a novel 2-pyridone derivative represented by general formula (1), which has both angiotensin II receptor antagonist activity and PPAR-γ activating activity and is useful as a prophylactic and/or therapeutic agent for cardiovascular diseases and metabolic diseases. Also disclosed is a pharmaceutical composition which contains the novel 2-pyridone derivative. In general formula (1), R1 represents a C1-6 alkyl group or a C1-6 alkoxy group; R2 represents a C1-6 alkyl group or a C3-8 cycloalkyl group; R3 represents a C1-6 alkyl group, a C6-10 aryl-C1-6 alkyl group, a C1-6 alkoxy-C1-6 alkyl group or a group represented by formula (2) (wherein A represents a nitrogen atom or CH, and R5 represents a hydrogen atom or a C1-6 alkoxy group); and R4 represents a group represented by formula (3) or (4).
摘要翻译:公开了由通式(1)表示的新型2-吡啶酮衍生物,其具有血管紧张素II受体拮抗剂活性和PPAR-γ活化活性,并且可用作心血管疾病和代谢疾病的预防和/或治疗剂。 还公开了含有新的2-吡啶酮衍生物的药物组合物。 在通式(1)中,R 1表示C 1-6烷基或C 1-6烷氧基; R2表示C1-6烷基或C3-8环烷基; R 3表示C 1-6烷基,C 6-10芳基-C 1-6烷基,C 1-6烷氧基-C 1-6烷基或由式(2)表示的基团(其中A表示氮原子或CH R 5表示氢原子或C 1-6烷氧基)。 并且R 4表示由式(3)或(4)表示的基团。
摘要:
It is to provide a novel compound useful for preventing and/or treating diseases that involves 11β-hydroxysteroid dehydrogenase 1, particularly diabetes, insulin resistance, diabetes complication, obesity, dyslipidemia, hypertension, fatty liver, or metabolic syndrome. It is an 1-adamantyl azetidin-2-one derivative represented by the following general formula (1) or salt thereof, or their solvate. [wherein A ring represents C6-10 aryl group, 5- to 14-membered heteroaryl group, R1 is a hydrogen atom, halogen atom, C1-6 alkoxycarbonyl group, hydroxyl group, carboxyl group or carbamoyl group; R2 and R3 are the same or different and are a C1-6 alkyl group; R4, R5, and R6 are same or different, and are a hydrogen atom, halogen atom, C1-6 alkyl group, C1-6 alkoxy group, C6-10 aryl group, or R4 and R5, or R5 and R6 may together form a C1-3 alkylenedioxy group, R7 and R8 are the same of different and represent a hydrogen atom or C1-6 alkyl group, or may together form a C3-6 cyclic hydrocarbon group, n represents an integer of 0 or 1].
摘要:
A method for preparing a trans-{4-[(alkylamino)methyl]cyclohexyl}acetic acid, which is useful as a raw material compound for manufacture of medicaments and the like, comprising the step of reducing amide group of a compound represented by the following general formula (6) (R1 represents hydrogen atom or a C1-6 alkyl group, and R2 represents a C1-6 alkyl group, a C3-6 cycloalkyl group, a (C3-6 cycloalkyl)(C1-6 alkyl) group, a C6-10 aryl group, or a C7-12 aralkyl group).
摘要:
A novel method for preparing 5-[2-(methylthio)ethoxy]pyrimidin-2-amine useful as a regent or raw material for manufacture of medicaments, agricultural chemicals, and industrial products, which comprises alkanoylating the amino group of a 2-amino-4-alkoxypyrimidine, then converting the resultant into a 4-hydroxypyrimidine compound by a treatment with anhydrous aluminum chloride, further etherifying the 4-hydroxypyrimidine compound by a reaction with a 2-haloethyl methyl sulfide in the presence of a base, and removing the alkanoyl group to obtain 5-[2-(methylthio)ethoxy]pyrimidin-2-amine.
摘要:
[Object]It is to provide a novel compound useful for preventing and/or treating diseases that involves 11β-hydroxysteroid dehydrogenase 1 (in particular diabetes, insulin resistance, diabetes complication, obesity, dyslipidemia, hypertension, fatty liver, or metabolic syndrome).[Means to Solve the Object]A 1,2-diazetidin-3-one derivative represented by the following general formula (1) or salt thereof, or their solvate.
摘要:
The present invention is directed to a process for producing a compound (5) from the compound (1). By use of the compound (1), a variety of cyclic diamine derivatives (5) or salts thereof, useful as drugs, can be produced in an industrially advantageous manner with a constant yield.
摘要:
The present invention is directed to a method for producing a cyclic diamine compound (3) or a salt thereof through the following scheme: (wherein Ar represents a phenyl group, a pyridyl group, or a pyrimidinyl group, any of which may have a substituent; X represents NH, S, or O; ring A represents a benzene ring or a pyridine ring, which may have a substituent; 1 represents an integer of 1 or 2; m represents an integer of 1 or 2; and n represents an integer of 1 to 6). The method enables synthesis of a cyclic diamine compound (3) or a salt thereof, which serves as an ACAT inhibitor, in an industrially useful manner.
摘要:
This invention relates to pyridazine derivatives represented by the formula (1): wherein R1 represents a (substituted) aryl group, R2 represents a phenyl group substituted at 4-position by a lower alkoxyl group or a lower alkylthio group, R3 represents a lower alkoxyl group, a halogenated lower alkyl group, a lower cycloalkyl group, a (substituted) aryl group, a (substituted) aryloxy group, a (substituted) nitrogen-containing heterocyclic ring residue, a (substituted) aminocarbonyl group or a lower alkylcarbonyl group, A represents a single bond, a lower alkylene group or a lower alkenylene group, X represents O or S, and the dashed line indicates that the carbon-carbon bond between the 4-position and the 5-position is a single bond or a double bond, or salts thereof; and also to medicines containing them as effective ingredients. These compounds have excellent inhibitory activity against interleukin-1β production, and are useful as preventives and therapeutics for immune system diseases, inflammatory diseases, ischemic diseases and the like.