benzyl (5-cyclohexylidene-2,2-diphenyl-4-pentenyl)-carbamate 在
chiral gold(I)-phosphine complex silver perchlorate 作用下,
以
间二甲苯 为溶剂,
反应 24.0h,
生成 (R)-benzyl 2-cyclohexylidenemethyl-4,4-diphenylpyrrolidine-1-carboxylate 、 (S)-benzyl 2-cyclohexylidenemethyl-4,4-diphenylpyrrolidine-1-carboxylate