4-[2-{4-(4-amino-3-(N-t-butoxycarbonyl-N-methylamino)phenoxy)phenylthio}ethylthiomethyl]-2-propyl-1-[2'-(1-triphenylmethyl-1H-tetrazol-5-yl)biphenyl-4-ylmethyl]-1H-imidazole-5-carboxylic acid ethyl ester 、
4-(2,4-二氧代噻唑啉-5-基甲基)苯氧乙酸 在
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 120.0h,
以0.67g的产率得到4-[2-[4-{3-(N-t-butoxycarbonyl-N-methylamino)-4-[4-(2,4-dioxothiazolidin-5-ylmethyl)phenoxyacetylamino]phenoxy}phenylthio]ethylthiomethyl]-2-propyl-1-[2'-(1H-tetrazol-5-yl)biphenyl-4-ylmethyl]-1H-imidazole-5-carboxylic acid ethyl ester