phthalimidyl-2,3,4,6-tetra-O-benzoyl-β-d-glucopyranoside 、 (2R,3R,4S,5R,6S)-4,5-bis(benzyloxy)-2-((benzyloxy)methyl)-6-(pent-4-en-1-yloxy)tetrahydro-2H-pyran-3-ol 在
gold(III) bromide 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以66%的产率得到[(2R,3R,4S,5R,6S)-3,4,5-tribenzoyloxy-6-[(2R,3R,4S,5R,6S)-6-pent-4-enoxy-4,5-bis(phenylmethoxy)-2-(phenylmethoxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl benzoate