A METHOD OF MANUFACTURING 4'-[[4-METHYL-6-(1-METHYL-1H-BENZIMIDAZOL-2-YL)-2-PROPYL-1H-BENZIMIDAZOL-1YL]METHYL]BIPHENYL-2-CARBOXYLIC ACID (TELMISARTAN)

摘要

A carboxylic acid of the general formula RCOOH, wherein Ris the hydrogen atom or a C-Calkyl, is added to a solution of the potassium salt of telmisartan in an alcohol of the formula ROH with the water content lower than 2%, wherein Ris ethyl or methyl.