An improved method of preparing alkyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro- 1,2,4-oxadiazol-3- yl)biphenyl-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylates of formula (I), wherein R is either a branched or unbranched C1-C4 alkyl, ArCH2, Ar2CH, or Ar3C, wherein Ar is a substituted or unsubstituted phenyl, and of conversion thereof to azilsartan of formula (II). This compound is an efficient angiotensin II AT1 receptor antagonist, which is used in the form of the prodrug azilsartan medoxomil of formula (III) in the treatment of hypertension.
一种改进的制备 alkyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl)methyl)-1H-benzo[d]imidazole-7-
羧酸酯的方法,其中 R 是支链或非支链的 C1-C4 烷基,ArCH2,Ar2CH,或 Ar3C,其中 Ar 是取代或未取代的苯基,并将其转化为式(II)的阿利沙坦。该化合物是一种高效的
血管紧张素 II AT1 受体拮抗剂,以前药物
阿利沙坦酯酸酯(III)的形式在治疗高血压中使用。