[EN] PROCESS FOR THE RESOLUTION OF (R,S)-DIAZEPANE AND DIAZEPANONE DERIVATIVES<br/>[FR] PROCÉDÉ POUR LA RÉSOLUTION DE DÉRIVÉS (R,S)-DIAZÉPANE ET DIAZÉPANONE
申请人:SANDOZ AG
公开号:WO2016020404A1
公开(公告)日:2016-02-11
The present invention relates to a process for the preparation of an acid salt (T) of a compound of formula (A) (A) as well as to the acid salt (T) and the compound (A) as such,wherein R1 is selected from the group consisting of H, PG1 and RA, with RA being or and wherein PG1 is a suitable protecting group, and wherein n is 0 or 1, wherein the acid salt (T) is the salt of one stereoisomer of a chiral acid, preferably wherein the chiral acid salt is a tartaric acid derivative salt, preferably wherein the tartaric acid derivative salt is selected from the group consisting of 2,3-ditoluoyl tartaric acid salt, 2,3-dibenzoyl tartaric acid salt, 2,3-dianisoyl tartaric acid salt, 2,3-dibenzoyl tartaric acid mono(dimethylamide) salt and a mixture of two or more thereof. Further the present invention relates to use of (T) and/or (A) for the preparation of suvorexant.
本发明涉及一种用于制备化合物(A)的酸盐(T)的过程,化合物(A)的化学式如下,其中R1选择自H、PG1和RA组成的群,RA为或,PG1为适当的保护基,n为0或1,其中酸盐(T)是手性酸的立体异构体的盐,优选的是手性酸盐是酒石酸衍生物盐,优选的是酒石酸衍生物盐选择自2,3-二甲苯基酰基酒石酸盐,2,3-二苯甲酰基酒石酸盐,2,3-二苯甲酰基酒石酸盐,2,3-二苯甲酰基酒石酸单(二甲酰胺)盐以及两者或两者以上的混合物。此外,本发明还涉及(T)和/或(A)用于制备苏沃瑞昔。