allyl O-(3-O-acetyl-4-azido-4,6-dideoxy-3-C-methyl-2-O-methyl-α-L-mannopyranosyl)-(1->3)-4-O-benzoyl-2-O-methyl-α-D-rhamnopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以56 mg的产率得到(2S,3R,4R,5S,6S)-2-((2S,3S,4S,5R,6R)-2-Allyloxy-5-hydroxy-3-methoxy-6-methyl-tetrahydro-pyran-4-yloxy)-5-azido-3-methoxy-4,6-dimethyl-tetrahydro-pyran-4-ol