(S)-5-cyclopropyl-2-(2,2-difluoro-2-(4-fluorophenoxy)ethylamino)-4,4-difluoropentanoic acid 、
1-氨基-1-环丙基腈盐酸盐 在
N-甲基吗啉 、 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,
以36%的产率得到(S)-N-(1-cyanocyclopropyl)-5-cyclopropyl-2-(2,2-difluoro-2-(4-fluorophenoxy)ethylamino)-4,4-difluoropentanamide