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公开(公告)号:US20180162870A1
公开(公告)日:2018-06-14
申请号:US15577919
申请日:2016-06-03
发明人: Virendra Kumar Agarwal , Lalit Keshav Katariya , Ashish Rameshchandra Upadhyay , Ranjit Ravatbhai Pada , Renish Mansukhlal Ghetiya , Sabirhusen Ismalbhai Tuvar
IPC分类号: C07D493/04 , C07C311/44 , C07C303/40
CPC分类号: C07D493/04 , C07C303/40 , C07C311/44
摘要: The present invention provides a cost effective and industrially feasible process for preparation of Darunavir (I). Also described is the novel salt of intermediate 4-Amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzene sulfonamide acid salt (VIII) and its use in the preparation of Darunavir. Formula (I) and (VII).
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公开(公告)号:US20180237386A1
公开(公告)日:2018-08-23
申请号:US15752082
申请日:2016-08-18
发明人: Virendra Kumar Agarwal , Lalit Keshav Katariya , Abhay Subodhbhai Maheta , Rajesh Gangarambhai Rupala , Pankaj Chaganbhai Butani , Parag Vrujlal Ajudia , Chirag Mansukhbhai Jethva , Hemant Atulbhai Patel , Viral Arvindbhai Doshi
IPC分类号: C07C319/20 , C07C323/37 , C07C323/40
CPC分类号: C07C319/20 , C07C323/37 , C07C323/40 , C07C323/43 , C07C323/49 , C07D241/08 , C07D295/096 , C07C323/41
摘要: The present invention provides a process for preparation of Vortioxetine hydrobromide (I). The present invention also relates to the novel intermediate and its use in preparation of vortioxetine hydrobromide (I).
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公开(公告)号:US20190002471A1
公开(公告)日:2019-01-03
申请号:US16066425
申请日:2017-01-03
发明人: Virendra Kumar Agarwal , Lalit Keshav Katariya , Kamalakar Gangireddy Reddy , Gaurav Bhogilal Patel , Chandrakant Bhagvanbhai Patel , Ankur Amrutbhai Kaneria , Hitesh Sureshbhai Patel
IPC分类号: C07D487/04
摘要: A crystalline form of ticagrelor, designated as Form-AM, has a defined interplanar spacing as illustrated by FIG. 1.
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公开(公告)号:US20180273490A1
公开(公告)日:2018-09-27
申请号:US15774854
申请日:2016-11-08
发明人: Virendra Kumar Agarwal , Lalit Keshav Katariya , Gaurav Bhogilal Patel , Hitesh Sureshbhai Patel
IPC分类号: C07D231/46 , C07C215/08
CPC分类号: C07D231/46 , C07B2200/13 , C07C215/08 , C07D231/38
摘要: Salts of eltrombopag are provided. Eltrombopag olamine is prepared from salts of eltrombopag, which are used as intermediates.
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