methyl (2Z)-3-phenylprop-2-enoate 、
N,N-dicyclohexyl-2-phenylethanethioamide 在
titanium(IV) isopropylate 、
lithium diisopropyl amide 作用下,
生成 (3S,4S)-4-Dicyclohexylthiocarbamoyl-3,4-diphenyl-butyric acid methyl ester 、 (3R,4S)-4-Dicyclohexylthiocarbamoyl-3,4-diphenyl-butyric acid methyl ester