Process for the preparation of valsartan and intermediate...

Details Process for the preparation of valsartan and intermediate... Process for the preparation of valsartan and intermediate...

C - Chemistry, Metallurgy

07

D

C07D 257/04 (2006.01) C07D 333/38 (2006.01) C07D 409/12 (2006.01) C07D 413/04 (2006.01) C07D 413/14 (2006.01)

Patent

CA 2672023

The present invention relates to a new method for the production of valsartan, a valine derivative having the chemical name is (S)-N-(1 -carboxy-2-methylprop-1 -yl)-N-pentanoyl-N- [2'-(1 H-tetrazol-5-yl)-biphenyl-4-ylmethyl]amine, and pharmacologically acceptable salts thereof. Furthermore the invention relates to new intermediate compounds which are suitable for the production of valsartan and new methods for the production of intermediate compounds which are suitable for the production of valsartan.

La présente invention concerne un nouveau procédé destiné à la production de valsartan, un dérivé de valine dont le nom chimique est (S)-N-(1 -carboxy-2-méthylprop-1-yl)-N-pentanoyl-N- [2'-(1 H-tétrazol-5-yl)-biphényl-4-ylméthyl]amine, et des sels pharmaceutiquement acceptables de celui-ci. En outre, l'invention concerne de nouveaux composés intermédiaires qui sont appropriés à la production de valsartan et de nouveaux procédés destinés à la production de composés intermédiaires qui sont appropriés à la production de valsartan.

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