[(3aR,5R,6R,7S,7aR)-7-benzoyloxy-2-phenyl-2-prop-2-ynoxy-6-[(2S,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxy-5,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-5-yl]methyl benzoate 、 pent-4-enyl 2,3,6-tri-O-benzyl-β-D-glucopyranoside 在
gold(III) bromide 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以64%的产率得到[(2R,3R,4S,5R,6S)-4,5-dibenzoyloxy-6-[(2R,3R,4S,5R,6R)-6-pent-4-enoxy-4,5-bis(phenylmethoxy)-2-(phenylmethoxymethyl)oxan-3-yl]oxy-3-[(2S,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl benzoate