4-哌啶甲酸甲酯 、
(S)-1-[(R)-5-(4-cyano-benzyl)-7-(3,5-dichloro-phenyl)-5-methyl-6-oxo-6,7-dihydro-5H-imidazo[1,2-a]imidazole-3-sulfonyl]-pyrrolidine-2-carboxylic acid 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
反应 2.17h,
生成 methyl 1-[(2S)-1-[(5R)-5-[(4-cyanophenyl)methyl]-7-(3,5-dichlorophenyl)-5-methyl-6-oxoimidazo[1,2-a]imidazol-3-yl]sulfonylpyrrolidine-2-carbonyl]piperidine-4-carboxylate