[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-phenyl-methoxy]-acetic acid ethyl ester 、
碘甲烷 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 (R)-2-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-phenyl-methoxy]-propionic acid ethyl ester 、 (S)-2-[(R)-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-phenyl-methoxy]-propionic acid ethyl ester