(1R,2R,4S)-4-(4-Bromo-2-trifluoromethyl-benzenesulfonyl)-2-(3,3-difluoro-azetidine-1-carbonyl)-cyclopentanecarboxylic acid 、
1-氨基-1-环丙基腈盐酸盐 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85%的产率得到(1R,2R,4R)-4-(4-bromo-2-trifluoromethylbenzenesulfonyl)-2-(3,3-difluoroazetidine-1-carbonyl)cyclopentanecarboxylic acid (1-cyanocyclopropyl)amide