1-methyl-4-((3-methoxyphenyl)amino)-7-chloro-1H-indole-2-carboxylic acid 、
1-methyl-1,2,3,4-tetrahydroquinoline-7-sulfonamide 在
4-二甲氨基吡啶 、
三乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
以33%的产率得到7-chloro-4-[(3-methoxyphenyl)amino]-1-methyl-N-[(1-methyl-1,2,3,4-tetrahydroquinoline-7-yl)sulfonyl]-1H-indole-2-carboxamide