在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以71%的产率得到(2S,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6S)-3,5-Bis-benzyloxy-2-((2R,3R,4S,5R,6R)-3,5-bis-benzyloxy-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-4-yloxy)-6-methyl-tetrahydro-pyran-4-yloxy]-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol