(2S,2'S)-N,N'-(4,4'-(4-fluorophenylazanediyl)bis(methylene)bis(4,1-phenylene))dipiperidine-2-carboxamide 、
N-甲氧羰基-L-叔亮氨酸 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以57%的产率得到methyl [(1S)-1-{[(2S)-2-{[4-({(4-fluorophenyl)[4-({[(2S)-1-{(2S)-2-[(methoxycarbonyl)amino]-3,3-dimethylbutanoyl}piperidin-2-yl]carbonyl}amino)benzyl]amino}methyl)phenyl]carbamoyl}piperidin-1-yl]carbonyl}-2,2-dimethylpropyl]carbamate