Invention Grant
- Patent Title: Processes for preparing dihydropyrimidine derivatives and intermediates thereof
- Patent Title (中): 制备二氢嘧啶衍生物的方法及其中间体
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Application No.: US15024020Application Date: 2014-11-27
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Publication No.: US09573941B2Publication Date: 2017-02-21
- Inventor: Qingyun Ren , Xinchang Liu , Zhifu Zou , Guanghua Yan , Mingchao Bi , Siegfried Goldmann , Yingjun Zhang
- Applicant: SUNSHINE LAKE PHARMA CO., LTD.
- Applicant Address: CN Dongguan, Guangdong
- Assignee: SUNSHINE LAKE PHARMA CO., LTD.
- Current Assignee: SUNSHINE LAKE PHARMA CO., LTD.
- Current Assignee Address: CN Dongguan, Guangdong
- Agency: Squire Patton Boggs (US) LLP
- Agent Kam W. Law
- Priority: CN201310636920 20131127; CN201410121009 20140327
- International Application: PCT/CN2014/092401 WO 20141127
- International Announcement: WO2015/078392 WO 20150604
- Main IPC: C07D417/04
- IPC: C07D417/04 ; C07D417/14
Abstract:
The present invention relates to processes for preparing a dihydropyrimidine derivative having Formula (I) or a tautomer thereof having Formula (Ia), as well as a intermediate thereof. The processes of the invention have simple operation, high optical purity of product, high yield and convenient work-up, which is suitable for industrial production.
Public/Granted literature
- US20160244438A1 PROCESSES FOR PREPARING DIHYDROPYRIMIDINE DERIVATIVES AND INTERMEDIATES THEREOF Public/Granted day:2016-08-25
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