Process for preparing pure valsartan

Invention Grant

US08258312B2 Process for preparing pure valsartan 有权

Title translation: 纯缬沙坦制备方法

Patent Title: Process for preparing pure valsartan
Patent Title (中): 纯缬沙坦制备方法
Application No.: US12666476

Application Date: 2008-06-26
Publication No.: US08258312B2

Publication Date: 2012-09-04
Inventor: Om Dutt Tyagi , Jakka Devendra Rao , Katukuri Aravind Kumar , Dammalapati Ventaka Lakshmi Narasimha Rao
Applicant: Om Dutt Tyagi , Jakka Devendra Rao , Katukuri Aravind Kumar , Dammalapati Ventaka Lakshmi Narasimha Rao
Applicant Address: IN
Assignee: Mylan Laboratories Ltd
Current Assignee: Mylan Laboratories Ltd
Current Assignee Address: IN
Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Priority: IN1383/CHE/2007 20070627
International Application: PCT/IN2008/000411 WO 20080626
International Announcement: WO2009/001375 WO 20081231
Main IPC: C07D249/00
IPC: C07D249/00

Abstract:

An improved process for the preparation of substantially pure valsartan employing suitable reagents such as chelating agent and reaction conditions.

Abstract(Chinese):

使用合适试剂如螯合剂和反应条件制备基本上纯的缬沙坦的改进方法。

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