1-cyano-2-((trimethylsilyl)methyl)allyl acetate 、
4-methyl-N-(4-trifluoromethylbenzylidene)-benzenesulfonamide 在
O,O'-(R)-(1,1'-dinaphthyl-2,2'-diyl)-N-((R,R)-2,5-diphenylazetidine)phosphoramidite 、 bis(dibenzylideneacetone)-palladium
(0) 作用下,
以
甲苯 为溶剂,
以98%的产率得到(E)-2-(1-tosyl-5-(4-(trifluoromethyl)phenyl)pyrrolidin-3-ylidene)acetonitrile