Acetic acid (2S,3S,4S,5R,6R)-3,5-bis-benzyloxy-2-[(2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-6-(tert-butyl-dimethyl-silanyloxy)-5-(2,2,2-trichloro-acetylamino)-tetrahydro-pyran-3-yloxy]-6-hydroxymethyl-tetrahydro-pyran-4-yl ester 在
4-二甲氨基吡啶 、
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 5.58h,
生成 Acetic acid (2R,3R,4S,5S,6S)-2-acetoxymethyl-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R)-4-benzyloxy-2-benzyloxymethyl-6-hydroxy-5-(2,2,2-trichloro-acetylamino)-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-4-yl ester