Carbonic acid 5-(dimethyl-phenyl-silanyl)-penta-3,4-dienyl ester ethyl ester 在
titanium(IV) isopropylate 、
水 、
异丙基氯化镁 作用下,
生成 (Z)-(S)-4-(Dimethyl-phenyl-silanyl)-2-(2-hydroxy-ethyl)-but-3-enoic acid ethyl ester 、 (E)-(S)-4-(Dimethyl-phenyl-silanyl)-2-(2-hydroxy-ethyl)-but-3-enoic acid ethyl ester 、
(Z)-(R)-4-(Dimethyl-phenyl-silanyl)-2-(2-hydroxy-ethyl)-but-3-enoic acid ethyl ester 、 (E)-(R)-4-(Dimethyl-phenyl-silanyl)-2-(2-hydroxy-ethyl)-but-3-enoic acid ethyl ester