3-[(3,4-difluorophenyl)carbonyl]-1,1-dimethyl-1,2,3,4,5,6-tetrahydroazepino[4,5-b]indole-5-carboxylic acid 、
异丙胺 在
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 、
N,N-二甲基甲酰胺 为溶剂,
以16%的产率得到3-[(3,4-difluorophenyl)carbonyl]-1,1-dimethyl-N-(1-methylethyl)-1,2,3,4,5,6-hexahydroazepino[4,5-b]indole-5-carboxamide