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1.发明授权
公开(公告)号：EP2831054B1
公开(公告)日：2016-11-30
申请号：EP13767847.0
申请日：2013-03-27
发明人： DAHANUKAR, Vilas Hareshwar , KUNHIMON, Syam Kumar Unniaran , TIMMANA, Upadhya , PAL, Abir Kumar , MACHA, Mahendar , MEESALA, Venkata Madhubabu , THALABATHULA, Krishna Mohan , RAMANATHAN, Shankar
IPC分类号： C07D311/76 , C07C57/38 , C07C39/15
CPC分类号： C07D311/04 , C07C51/09 , C07C59/52 , C07C211/27 , C07D311/16 , C07D311/20 , C07C59/48
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2.发明公开PROCESS FOR THE PREPARATION OF A SINGLE ENANTIOMER OF 3-AMINOPIPERIDINE DIHYDROCHLORIDE 审中-公开方法用于生产单一对映体OFF 3-氨基二盐酸盐
公开(公告)号：EP2582671A2
公开(公告)日：2013-04-24
申请号：EP11796521.0
申请日：2011-06-17
发明人： MEEK, Graham Andrew , KUNHIMON, Syam Kumar Unniaran Purakkal , SHANKAR, R. , DAHANUKAR, Vilas Hareshwar , MOHAN, TH. Krishna , WAGH, Manoj Balu , PAL, Abir Kumar , MEESALA, V. Madhu Babu , SHRIVASTAVA, Sonmit
IPC分类号： C07D211/56 , B01J23/44 , C07B55/00
CPC分类号： C07D211/02 , B01J21/18 , B01J23/44 , C07B57/00 , C07D211/56
摘要： A process comprising: (a) reduction of N-acetyl-3-aminopyridine (2): or its salt in the presence of hydrogen and a palladium catalyst deposited on solid support; (b) converting racemic N-acetyl-3-aminopiperidine (3) or its salt produced in step (a) to rac-3-aminopiperidine (rac-4) or its salt; (c) resolution of the racemic 3-aminopiperidine (rac-4) or its salt produced in step (b) with a chiral acid.
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公开(公告)号：EP2831054A1
公开(公告)日：2015-02-04
申请号：EP13767847.0
申请日：2013-03-27
发明人： DAHANUKAR, Vilas Hareshwar , KUNHIMON, Syam Kumar Unniaran , TIMMANA, Upadhya , PAL, Abir Kumar , MACHA, Mahendar , MEESALA, Venkata Madhubabu , THALABATHULA, Krishna Mohan , RAMANATHAN, Shankar
IPC分类号： C07D311/76 , C07C57/38 , C07C39/15
CPC分类号： C07D311/04 , C07C51/09 , C07C59/52 , C07C211/27 , C07D311/16 , C07D311/20 , C07C59/48
摘要： The present application relates to an improved process for the preparation of (S)- equol (1). The present application also relates to novel intermediates of formula (7), (7A), (8) and (9) and their use for the synthesis of (S)-equol.
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