[EN] PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY ENRICHED 3-AMINOPIPERIDINE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UNE 3-AMINOPIPÉRIDINE ENRICHIE EN ÉNANTIOMÈRES
申请人:REUTER CHEMISCHE APPBAU KG
公开号:WO2014128139A1
公开(公告)日:2014-08-28
The present invention relates to a process for the preparation of enantiomerically enriched 3-aminopiperidine, and in particular of its R-enantiomer (R)-3-aminopiperidine. The invention also relates to an enantiomerically enriched intermediate of said process and to specific acid-addition salts of 3-aminopiperidine (hereinafter also APIP) that are useful for obtaining a single enantiomer of APIP, and to crystalline (R)-3-aminopiperidine-dihydrochloride-monohydrateand crystalline (S)-3-aminopiperidine-dihydrochloride-monohydrate.
本发明涉及一种制备对映体富集的
3-氨基哌啶的方法,特别是其R-对映体(R)-
3-氨基哌啶。该发明还涉及该过程的对映体富集中间体,以及对
3-氨基哌啶(以下简称A
PIP)的特定酸加盐,用于获得A
PIP的单一对映体,并且涉及结晶的(R)-
3-氨基哌啶二盐酸盐一
水合物和结晶的(S)-
3-氨基哌啶二盐酸盐一
水合物。