3,3-二氟三甲叉亚胺 盐酸盐 、
2-{[2-fluoro-6-(trifluoromethyl)benzoyl]amino}-5,6,7,8-tetrahydro-4H-4,7-epoxycyclohepta[b]thiophene-3-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
四氢呋喃 为溶剂,
反应 4.0h,
以42%的产率得到N-{3-[(3,3-difluoroazetidin-1-yl)carbonyl]-5,6,7,8-tetrahydro-4H-4,7-epoxycyclohepta[b]thien-2-yl}-2-fluoro-6-(trifluoromethyl)benzamide