pent-4-enyl 2,3,4-tri-O-benzoyl-β-D-glucopyranoside 、 2-propynyl 2,3,4,6-tetra-O-benzyl-α-D-mannopyranoside 在
gold(III) bromide 作用下,
以
乙腈 为溶剂,
以65%的产率得到[(2R,3R,4S,5R,6R)-4,5-dibenzoyloxy-6-pent-4-enoxy-2-[[(2S,3S,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxymethyl]oxan-3-yl] benzoate