(R)-4-{(4S,6S)-6-[(Z)-(6S,7S)-6,7-Bis-(tert-butyl-dimethyl-silanyloxy)-oct-3-enyl]-2,2,5,5-tetramethyl-[1,3]dioxan-4-yl}-2-methyl-butyric acid 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
生成 (R)-6-{(4S,6S)-6-[(Z)-(6S,7S)-6,7-Bis-(tert-butyl-dimethyl-silanyloxy)-oct-3-enyl]-2,2,5,5-tetramethyl-[1,3]dioxan-4-yl}-2-(1-methoxy-1-methyl-ethoxy)-4-methyl-3-oxo-hexanoic acid methyl ester