benzyl (6-ethyl-2,2-diphenyl-4,5-octadienyl)carbamate 在
chiral gold(I)-phosphine complex silver perchlorate 作用下,
以
间二甲苯 为溶剂,
反应 48.0h,
生成 (R)-benzyl 2-(2-ethyl-1-butenyl)-4,4-diphenylpyrrolidine-1-carboxylate 、 (S)-benzyl 2-(2-ethyl-1-butenyl)-4,4-diphenylpyrrolidine-1-carboxylate