Acetic acid (2S,3R,4R,5S,6S)-4-allyloxy-5-benzyloxy-2-((2R,3R,4S,5R,6R)-3,5-bis-benzyloxy-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-4-yloxy)-6-methyl-tetrahydro-pyran-3-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以90%的产率得到methyl-3-O-(3-O-allyl-4-O-benzyl-α-L-rhamnopyranosyl)-2,4,6-tri-O-benzyl-β-D-glucopyranoside