[EN] PROCESS FOR THE PREPARATION OF VALSARTAN AND PRECURSORS THEREOF [FR] METHODE DE PRODUCTION D'UN COMPOSE PHARMACEUTIQUEMENT ACTIF ET D'INTERMEDIAIRES DE SYNTHESE DUDIT COMPOSE
One-pot Three-step Solution Phase Syntheses of Thiohydantoins using Microwave Heating
作者:Liselotte Öhberg、Jacob Westman
DOI:10.1055/s-2001-18739
日期:——
An efficient one-pot three-step solution phase protocol suitable for library syntheses of thiohydantoins was developed. The reactions included are in the following order, Negishi or Suzuki C-C coupling reactions, reductive amination and finally a cyclisation reaction. Protocols using a solid supported reagent and protocols suitable for combinatorial chemistry were developed, all including microwave heating.
Provided is a process for preparing valsartan and precursors thereof.
提供了一种制备缬沙坦及其前体的过程。
PROCESS FOR PREPARATION OF VALSARTAN INTERMEDIATE
申请人:Parthasaradhi Reddy Bandi
公开号:US20110237822A1
公开(公告)日:2011-09-29
The present invention provides a process for preparation of a key intermediate of valsartan in a pure form and use of this intermediate for the preparation of valsartan or a pharmaceutically acceptable salt in pure form.