4-[8-chloro-2-(4-fluorophenyl)imidazo[1,2-a]pyridin-3-yl]-N-cyclopentyl-2-pyridinamine 、
环戊胺 在
palladium diacetate
caesium carbonate 、
R-(+)-1,1'-联萘-2,2'-双二苯膦 作用下,
以27%的产率得到N-cyclopentyl-3-[2-(cyclopentylamino)pyridin-4-yl]-2-(4-fluorophenyl)imidazo[1,2-a]pyridin-8-amine