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公开(公告)号:US11673862B2
公开(公告)日:2023-06-13
申请号:US16256596
申请日:2019-01-24
Applicant: SUZHOU PENGXU PHARMATECH CO. LTD.
Inventor: Peng Wang , Pixu Li , Qiang Wei , Yuanhua Liu
IPC: C07D207/27 , A61K31/4015 , C07C53/19 , C07C53/50 , C07C67/307 , C07C69/63 , C07C71/00 , C07C209/08 , C07C231/14 , C07C233/05 , C07C237/06
CPC classification number: C07D207/27 , A61K31/4015 , C07C53/19 , C07C53/50 , C07C67/307 , C07C69/63 , C07C71/00 , C07C209/08 , C07C231/14 , C07C233/05 , C07C237/06
Abstract: The present invention provides a scalable synthesis of enantiomerically pure brivaracetam, and related derivatives.
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公开(公告)号:US12221413B2
公开(公告)日:2025-02-11
申请号:US16256522
申请日:2019-01-24
Applicant: SUZHOU PENGXU PHARMATECH CO. LTD.
Inventor: Peng Wang , Pixu Li , Qiang Wei , Yuanhua Liu
IPC: C07D207/27 , A61K31/4015 , C07C53/19 , C07C53/50 , C07C67/307 , C07C69/63 , C07C71/00 , C07C209/08 , C07C231/14 , C07C233/05 , C07C237/06
Abstract: The present invention provides a scalable synthesis of enantiomerically pure brivaracetam, and related derivatives.
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公开(公告)号:US11377426B2
公开(公告)日:2022-07-05
申请号:US16770035
申请日:2018-12-03
Applicant: SUZHOU PENGXU PHARMATECH CO., LTD.
Inventor: Pixu Li , Peng Wang , Xiangyong Gu , Hailong Yang , Zhong Wang , Qianghua Jiang , Yuanhua Liu , Hui Xia
IPC: C07D239/54 , B01J23/44 , B01J25/02
Abstract: The present invention relates to a scalable process for the making of elagolix, its salts and the process of intermediate compounds.
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