Invention Grant
- Patent Title: Process for the preparation of candesartan cilexetil
- Patent Title (中): 坎地沙坦cilexetil的制备方法
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Application No.: US12089444Application Date: 2006-09-29
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Publication No.: US07884212B2Publication Date: 2011-02-08
- Inventor: Silvo Zupancic
- Applicant: Silvo Zupancic
- Agency: LaRiviere, Grubman & Payne, LLP
- Priority: SI200500283 20051007; SI200600041 20060303
- International Application: PCT/EP2006/009489 WO 20060929
- International Announcement: WO2007/042161 WO 20070419
- Main IPC: C07D233/00
- IPC: C07D233/00 ; C07D249/08
Abstract:
The present invention provides an improved synthesis for the manufacture of candesartan and pharmaceutically acceptable salts and esters thereof as active ingredients of a medicament for the treatment of hypertension and related diseases and conditions which comprises the removal of the tetrazolyl protecting group in an organic solvent, and in the presence of a Lewis acid.
Public/Granted literature
- US20090318706A1 Process for the Preparation of Candesartan Cilexetil Public/Granted day:2009-12-24
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