[EN] PROCESS FOR PREPARING PRASUGREL<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE PRASUGREL
申请人:LESVI LABORATORIOS SL
公开号:WO2013014295A1
公开(公告)日:2013-01-31
The present invention is directed to an improved process for preparing, prasugrel and maleate salt of Prasugrel and, optionally other pharmaceutically acceptable salts from, prasugrel and said maleate salt, in high yields and purity, which can be used at industrial scale. The process of the present invention comprises the steps of bromination, condensation, acetylating and optionally converting into maleate salt and, if desired, conversion into another pharmaceutically acceptable salt from it. The present process is advantageous in terms of productivity, efficacy, purity and also prevents the use of toxic substances.
本发明涉及一种改进的制备过程,用于从prasugrel和prasugrel的maleate盐,以及可选地从prasugrel和该maleate盐中制备其他药用盐,高产率和纯度中制备,可用于工业规模。本发明的过程包括溴化、缩合、乙酰化以及可选地转化为maleate盐,并如有需要,从中转化为另一种药用盐。本过程在生产效率、功效、纯度方面具有优势,并且还能防止使用有毒物质。