{3-[(2R,3R,4S,5R,6R)-5-((2S,3R,4S,5S,6R)-4-Allyloxy-3,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-3,4-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy]-propyl}-benzyl-carbamic acid benzyl ester 在
palladium dichloride 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以98%的产率得到Benzyl-{3-[(2R,3R,4S,5R,6R)-3,4-bis-benzyloxy-6-benzyloxymethyl-5-((2S,3R,4S,5R,6R)-3,5-bis-benzyloxy-6-benzyloxymethyl-4-hydroxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-propyl}-carbamic acid benzyl ester