(1S,2S,3R,4R)-3-(6-chloro-2-(2-methoxy-4-(4-methylpiperazin-1-yl)phenyl)-3H-imidazo[4,5-b]pyridin-7-ylamino)-N,N-dimethylbicyclo[2.2.1]hept-5-ene-2-carboxamide 、
N-Boc-哌嗪 在
N-甲基吗啉 、
4-二甲氨基吡啶 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以44%的产率得到tert-butyl 4-(3-(7-((1S,2S,3R,4R)-3-carbamoylbicyclo[2.2.1]hept-5-en-2-ylamino)-6-chloro-3H-imidazo[4.5-b]pyridin-2-yl)benzoyl)piperazine-1-carboxylate