(2S,3R,4R,5S,6R)-2,5-O-bis-(tert-butyldimethylsilyl)-tetrahydro-3-methoxy-4,6-dimethyl-2H-pyran-2,4,5-triol 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
生成
(2R,3R,4R,5S,6S)-5-tert-butyldimethylsilanyloxy-tetrahydro-3-methoxy-4,6-dimethyl-2H-pyran-2,4-diol 、 (2S,3R,4R,5S,6S)-5-tert-butyldimethylsilanyloxy-tetrahydro-3-methoxy-4,6-dimethyl-2H-pyran-2,4-diol