(4S,5R)-5-[(1R)-1-[tert-butyl(diphenyl)silyl]oxy-2-methoxyethyl]-2,2-dimethyl-1,3-dioxolane-4-carboxylic acid 在
正丁基锂 、
三苯基膦 作用下,
以
二氯甲烷 为溶剂,
反应 27.17h,
生成 (4S,5R)-5-[(R)-1-(tert-Butyl-diphenyl-silanyloxy)-2-methoxy-ethyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid (2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-methoxymethyl-tetrahydro-pyran-2-yl ester