Process for preparing valsartan

Details Process for preparing valsartan Process for preparing valsartan

C - Chemistry, Metallurgy

07

D

C07D 257/04 (2006.01)

Patent

CA 2686156

An N-[(2'-(1-triphenyl methyl tetrazole-5-yl) biphenyl]-4-yl] methyl]-L-valine benzyl ester organic salt of formula (IVA) wherein A represents an organic carboxylic acid, a process for its preparation and its use in the synthesis of valsartan or salts thereof.

L'invention porte sur un ester benzylique organique de N-[(2'-(1-triphényl méthyl tétrazole-5-yl) biphényl]-4-yl] méthyl]-L-valine de formule (IVA) dans laquelle A représente un acide carboxylique organique. L'invention porte également sur son procédé de préparation et sur ses utilisations dans la synthèse du valsartan ou de ses sels.

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