基于包括弗里德尔-克来福特酰化、酯化、卤代芳基化和氧化环化在内的几种反应序列的应用,开发了层状蛋白 G 三甲醚的模块化合成。吡咯并[2,1-a]异喹啉核心的形成是成功完成层状蛋白G三甲醚合成的关键步骤,通过3-溴-4-(3,4-二甲氧基-苯甲酰基)的卤代芳基化轻松完成-6,7-二甲氧基-chroman-2-one 导致独家内产品。
基于包括弗里德尔-克来福特酰化、酯化、卤代芳基化和氧化环化在内的几种反应序列的应用,开发了层状蛋白 G 三甲醚的模块化合成。吡咯并[2,1-a]异喹啉核心的形成是成功完成层状蛋白G三甲醚合成的关键步骤,通过3-溴-4-(3,4-二甲氧基-苯甲酰基)的卤代芳基化轻松完成-6,7-二甲氧基-chroman-2-one 导致独家内产品。
Novel substituted benzoylacrylanilides are prepared by reacting a substituted benzoylacrylic acid with a substituted aniline in the presence of a coupling agent. These acrylanilides have significant anticoccidial activity.
Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative
申请人:Itoh Isamu
公开号:US20050176994A1
公开(公告)日:2005-08-11
A 4-phenyl-4-oxo-2-butenoate derivative is stably supplied in a short period of time, at low cost, in high purity and on an industrial scale by a process for producing the 4-phenyl-4-oxo-2-butenoate derivative, which comprises simultaneously or continuously reacting a sulfuric ester, an aromatic hydrocarbon and a maleic anhydride derivative.
3-Benzoyl-2-mercaptopropionic acid derivatives represented by the general formula
(wherein, X represents a hydrogen atom, a halogen atom, hydroxy group, a lower alkyl group or a lower alkoxy group, Y represents a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group, Z represents a hydrogen atom or an acyl group, and R represents a hydrogen atom or a lower alkyl group) have immunomodulative function and are effective for treatment of diseases caused by abnormal immunofunction.
$g(g)-OXO-HOMOPHENYLALANINE DERIVATIVES AND PROCESS FOR PRODUCING HOMOPHENYLALANINE DERIVATIVES BY REDUCING THE SAME
申请人:Kaneka Corporation
公开号:EP0902011A1
公开(公告)日:1999-03-17
The present invention provides an economically advantageous and efficient process for producing an optically active homophenylalanine derivative of the general formula (IV), and an intermediate therefor and a process for producing it.
The present invention relates to a process for producing homophenylalanine derivative of the general formula (IV) which comprises reacting a β-benzoylacrylic acid derivative of the general formula (II) with a 1-arylethylamine derivative of the general formula (III) and reducing the resultant γ-oxo-homophenylalanine derivative of the general formula (I).
PROCESS FOR PRODUCING 4-PHENYL-4-OXO-2-BUTENOIC ESTER DERIVATIVE
申请人:Sankio Chemical Co., Ltd.
公开号:EP1505054A1
公开(公告)日:2005-02-09
A 4-phenyl-4-oxo-2-butenoate derivative is stably supplied in a short period of time, at low cost, in high purity and on an industrial scale by a process for producing the 4-phenyl-4-oxo-2-butenoate derivative, which comprises simultaneously or continuously reacting a sulfuric ester, an aromatic hydrocarbon and a maleic anhydride derivative.