PROCESS FOR PRODUCTION OF IMIDAZOTHIAZOLE DERIVATIVE
申请人:Meiji Seika Kaisha, Ltd.
公开号:EP1908766A1
公开(公告)日:2008-04-09
Disclosed is a process for producing an imidazothiazole derivative of formula (I) useful as an intermediate for the production of carbapenem derivatives having potent antimicrobial activity and a broad antimicrobial spectrum, that is, a novel method for nicotinoylating an imidazo[5,1-b]thiazole ring at its 7-position. The process comprises reacting a compound of formula (II) with a compound of formula (III).
Disclosed is a process for producing an imidazothiazole derivative of formula (I) useful as an intermediate for the production of carbapenem derivatives having potent antimicrobial activity and a broad antimicrobial spectrum, that is, a novel method for nicotinoylating an imidazo[5,1-b]thiazole ring at its 7-position. The process comprises reacting a compound of formula (II) with a compound of formula (III).
Intermediates of 2-Substituted Carbapenem Derivatives and Process for Production Thereof
申请人:Sasaki Toshiro
公开号:US20080076917A1
公开(公告)日:2008-03-27
The present invention relates to compounds represented by formula (1) and a process for producing the same. The use of these compounds can realize the production of carbapenem derivatives having potent antimicrobial activity and a wide antimicrobial spectrum in a safe and cost-effective manner.
Intermediates of 2-substituted carbapenem derivatives and process for production thereof
申请人:Sasaki Toshiro
公开号:US20080167475A1
公开(公告)日:2008-07-10
The present invention relates to compounds represented by formula (1) and a process for producing the same. The use of these compounds can realize the production of carbapenem derivatives having potent antimicrobial activity and a wide antimicrobial spectrum in a safe and cost-effective manner.
Imidazothiazole derivatives and process for producing the same
申请人:Meiji Seika Kaisha, Ltd.
公开号:US07662841B2
公开(公告)日:2010-02-16
The present invention relates to compounds of formula (I) and a process for producing the same. In formula (I), X represents a halogen atom, and R1 represents group —COR2 wherein R2 represents group OM or C1-12 alkyloxy wherein M represents a hydrogen atom, an alkali metal, an alkaline earth metal, or quaternary ammonium. The use of this compound as a synthetic intermediate can realize the production of carbapenem derivatives having potent antimicrobial activity in an efficient and safe manner at low cost.