[EN] PROCESS FOR THE PREPARATION OF MEMANTINE AND ITS SALTS AND INTERMEDIATE FOR USE THEREIN<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LA MÉMANTINE ET DE SES SELS ET INTERMÉDIAIRE DESTINÉ À ÊTRE UTILISÉ DANS CE PROCÉDÉ
申请人:CIPLA LTD
公开号:WO2010007351A1
公开(公告)日:2010-01-21
The present invention provides 2-(3,5-dimethyl-adamantan-1-yl)-isoindole-1,3-dione of formula II, which is useful as an intermediate in the preparation of memantine and its salts. The present invention also provides a process for preparing 2-(3,5-dimethyl-adamantan-1- yl)-isoindole-1,3-dione and a process for preparing memantine or a salt thereof using 2- (3,5-dimethyl-adamantan-1 -yl)-isoindole-1,3-dione.
本发明提供了式II的2-(3,5-二甲基-孔雀石酮-1-基)-异吲哚酮-1,3-二酮,其在制备美金刚和其盐中作为中间体有用。本发明还提供了制备2-(3,5-二甲基-孔雀石酮-1-基)-异吲哚酮-1,3-二酮和制备美金刚或其盐的过程,使用2-(3,5-二甲基-孔雀石酮-1-基)-异吲哚酮-1,3-二酮。