6-(4-((2,5-dichloropyrimidin-4-yl)amino)piperidin-1-yl)pyridazine-3-carbonitrile 、
6,7,8,9-tetrahydrobenzo[4,5] imidazo[1,2-a]pyridin-3-amine 在
palladium diacetate 、
caesium carbonate 、
R-(+)-1,1'-联萘-2,2'-双二苯膦 作用下,
以
1,4-二氧六环 为溶剂,
以59.3%的产率得到6-(4-((5-chloro-2-((6,7,8,9-tetrahydrobenzo[4,5]imidazo[1,2-a]pyridin-3-yl)amino)pyrimidin-4-yl)amino)piperidin-1-yl)pyridazine-3-carbonitrile