((S)-1-{(S)-1-[(1S,2S)-1-Cyclohexylmethyl-2-hydroxy-2-((S)-1-methyl-2-oxo-pyrrolidin-3-yl)-ethylcarbamoyl]-2-[1-(2,4-dinitro-phenyl)-1H-imidazol-4-yl]-ethylcarbamoyl}-2-phenyl-ethyl)-carbamic acid tert-butyl ester 在
N-甲基吗啉 、
苯硫酚 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以86%的产率得到2(S)-<(Boc-L-phenylalanyl-L-histidyl)amino>-3-cyclohexyl-1(S)-hydroxy-1-(1-methyl-2-oxopyrrolidin-3(S)-yl)propane