N-(3,4-dihydronaphthalen-1(2H)-ylidene)-4-methylbenzenesulfonamide 、 1-cyano-2-((trimethylsilyl)methyl)allyl acetate 在
O,O'-(R)-(1,1'-dinaphthyl-2,2'-diyl)-N-((R,R)-2,5-di(2-naphthyl)pyrrolidine)phosphoramidite 、
allyl(cyclopentadiene)palladium(II) 作用下,
以
甲苯 为溶剂,
以99%的产率得到(1S,3'R)-4'-methylene-1'-tosyl-3,4-dihydro-2H-spiro[naphthalene-1,2'-pyrrolidine]-3'-carbonitrile