4-{N-[2,6-dimethyl-4-(4-amino-3-(N-t-butoxycarbonyl-N-methylamino)phenoxy)phenyl]aminomethyl}-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 24.0h,
以61mg的产率得到4-{N-[4-[4-(4-[2,4-dioxothiazolidin-5-ylmethyl]phenoxyacetylamino)-3-(N-t-butoxycarbonyl-N-methylamino)phenoxy]-2,6-dimethylphenyl]aminomethyl}-2-propyl-1-[2'-(1H-tetrazol-5-yl)biphenyl-4-ylmethyl]-1H-imidazole-5-carboxylic acid ethyl ester