(3R)-4-acetoxy-3-[(1S)-1-[(tert-butyldimethylsilyl)oxy]-1-(2-methoxy-4,5-methylenedioxyphenyl)methyl]-2-methylenebutanal 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
生成 (3R,4S)-4-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxymethyl-4-(6-methoxy-benzo[1,3]dioxol-5-yl)-2-methylene-butyraldehyde