ammonium chloride 、
溴乙烯 、
2-methyl-5-(N-methyl-anilinomethylene)-cyclopentanone 、
(aR)-(-)-2-N,N-dimethylamino-2'-dicyclohexylphosphino-1,1'-binaphtyl 在
palladium diacetate
三乙胺 作用下,
以
甲苯 为溶剂,
以113 mg (94%)的产率得到2-methyl-2-vinyl-5-(N-methyl-anilinomethylene)cyclopentanone