2,2-Dimethyl-propionic acid 3-[(2R,3R,4S,5S,6R)-5-(tert-butyl-dimethyl-silanyloxy)-6-hydroxymethyl-3-(4-methoxy-benzyloxymethoxy)-4-(2-trimethylsilanyl-ethoxymethoxy)-tetrahydro-pyran-2-yl]-propyl ester 在
草酰氯 、
二甲基亚砜 、
三乙胺 作用下,
生成 2,2-Dimethyl-propionic acid 3-[(2R,3R,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-6-formyl-3-(4-methoxy-benzyloxymethoxy)-4-(2-trimethylsilanyl-ethoxymethoxy)-tetrahydro-pyran-2-yl]-propyl ester