(2S,2'S)-2,2'-(biphenyl-4,4'-diyl)bis(2-oxoethane-2,1-diyl) bis(4-acetoxy-2-(tert-butoxycarbonylamino)-3,3-dimethylbutanoate) 在
ammonium acetate 作用下,
以
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 3.0h,
以0.1 g的产率得到(3S,3'S)-3,3'-(4,4'-(biphenyl-4,4'-diyl)bis(1H-imidazole-4,2-diyl))bis(3-(tert-butoxycarbonylamino)-2,2-dimethylpropane-3,1-diyl)diacetate