2,2-二甲氧基丙烷 、 {3-[(2S,3S,4S,5R,6S)-4,5-Bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-oxiranyl}-methanol 在
二异丁基氢化铝 作用下,
生成
(2S,3R,4S,5R,6R)-3,4-Bis-benzyloxy-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-2-methoxy-5-(4-methoxy-benzyloxy)-tetrahydro-pyran 、 4-[(2R,3S,4S,5R,6S)-4,5-Bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-2,2-dimethyl-[1,3]dioxane