乙酸酐 、
(3S,4R,5S,6S,9R,10S)-10-((2R,3R)-5-Methoxy-3-methyl-tetrahydro-furan-2-yl)-4,6-dimethyl-3,5-bis-triethylsilanyloxy-undecane-1,9-diol 在
4-二甲氨基吡啶 作用下,
以
吡啶 为溶剂,
反应 3.0h,
以100%的产率得到Acetic acid (3S,4R,5S,6S,9R,10S)-9-acetoxy-10-((2R,3R)-5-methoxy-3-methyl-tetrahydro-furan-2-yl)-4,6-dimethyl-3,5-bis-triethylsilanyloxy-undecyl ester