The present invention provides processes and intermediates for preparing cinacalcet base and pharmaceutically acceptable salts thereof.
本发明提供了制备西那卡塞碱及其药用可接受盐的过程和中间体。
[EN] PROCESS FOR PREPARING CINACALCET<br/>[FR] PROCEDE DE PREPARATION DE CINACALCET
申请人:ZACH SYSTEM SPA
公开号:WO2011029833A1
公开(公告)日:2011-03-17
A process for preparing N-[(1R)-1-(1-naphthyl)ethyl]-3-[3-(trifluoromethyl)-phenyl]propan-1-amine of formula hydrochloride salt of formula (I); i.e. Cinacalcet.HC1 and its intermediate of formula (IX).
PROCESSES FOR PREPARING INTERMEDIATE COMPOUNDS USEFUL FOR THE PREPARATION OF CINACALCET
申请人:Szekeres Tibor
公开号:US20100267988A1
公开(公告)日:2010-10-21
The invention relates, in general, to an improved process for preparing compounds (e.g., 3-(3-trifluoromethylphenyl)propanal (Compound III, below)), which are key intermediates for the synthesis of cinacalcet, its salts and/or solvates thereof, as well as the use of such compounds prepared by such process for the preparation of cinacalcet and/or its salts or solvates.
Method For The Preparation Of Cinacalcet And Intermediates And Impurities Thereof
申请人:Mathad Vijayvitthal Thippannachar
公开号:US20110319663A1
公开(公告)日:2011-12-29
A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
Method for the preparation of cinacalcet and intermediates and impurities thereof
申请人:Mathad Vijayavitthal Thippannachar
公开号:US08575395B2
公开(公告)日:2013-11-05
A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.