[(2R,3R,4S,5R,6S)-6-[[(2R,3R,4S,5R,6S)-6-(2-benzylsulfonylethoxy)-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)oxan-2-yl]methyl acetate 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 (3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-6-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-ol