(1R,2R,4S)-4-(5-chloropyridine-2-sulfonyl)-2-(3,3-difluoropyrrolidine-1-carbonyl)cyclopentanecarboxylic acid 、
1-氨基环丙烷甲腈 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
乙腈 为溶剂,
反应 16.0h,
以44%的产率得到(1R,2R,4R)-4-(5-chloropyridine-2-sulfonyl)-2-(3,3-difluoropyrrolidine-1-carbonyl)cyclopentanecarboxylic acid (1-cyanocyclopropyl)amide