(3R,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-{(2S,3R,5S)-3-[(R)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propyl]-5-methoxy-tetrahydro-furan-2-yl}-4-methoxy-butyric acid 在
2,4,6-三氯苯甲酰氯 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
生成 (3R,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-{(2S,3R,5S)-3-[(R)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propyl]-5-methoxy-tetrahydro-furan-2-yl}-4-methoxy-butyryl chloride