A PROCESS FOR PREPARATION OF 4'-(2-N-PROPYL-4-METHYL-6-(1-METHYL-BENZIMIDAZOL-2-YL)-BENZIMIDAZOL-1-YL)METHYL-BIPHENYL-2-CARBOXYLIC ACID

摘要

The present invention relates a process for preparation of Telmisartan alkylester intermediate and further converting it to telmisartan. The present invention is also directed to a method for carrying out the highly regioselective aromatic nitration of methyl-4-butyamido-3-methylbenzoate.