Invention Grant
- Patent Title: L-setastine hydrochloride and preparation method thereof
- Patent Title (中): 盐酸洛沙星碱及其制备方法
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Application No.: US14358229Application Date: 2012-07-10
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Publication No.: US09434705B2Publication Date: 2016-09-06
- Inventor: Qingyun Huang , Qingguo Huang , Meixian Lou
- Applicant: Qingyun Huang , Qingguo Huang , Meixian Lou
- Applicant Address: CN Hefei, Anhui
- Assignee: ANHUI QINGYUN PHARMACEUTICAL & CHEMICAL CO., LTD.
- Current Assignee: ANHUI QINGYUN PHARMACEUTICAL & CHEMICAL CO., LTD.
- Current Assignee Address: CN Hefei, Anhui
- Agency: David and Raymond Patent Firm
- Agent Raymond Y. Chan
- Priority: CN201110372464 20111121
- International Application: PCT/CN2012/078434 WO 20120710
- International Announcement: WO2013/075510 WO 20130530
- Main IPC: C07D223/04
- IPC: C07D223/04 ; C07D295/088 ; A61K31/55
Abstract:
The present invention relates to the field of medicine, and disclosed are an L-setastine hydrochloride and a preparation method therefor. The compound of the present invention has the advantages of stronger histamine Hi receptor antagonism and small side effect; the yield of the preparation method is more than 80%, and the product purity is high. The present invention also provides an application of the compound as an H1 histamine receptor antagonist.
Public/Granted literature
- US20140296517A1 L-Setastine Hydrochloride and Preparation Method Thereof Public/Granted day:2014-10-02
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