[(2S,3R,4R,5S,6R)-3-(1,3-dioxoisoindol-2-yl)-5-hydroxy-2-(4-methoxyphenoxy)-6-(phenylmethoxymethyl)oxan-4-yl] acetate 、 在
trifluoromethanesulfonyloxy(triphenylphosphine)gold(I) 作用下,
以
二氯甲烷 为溶剂,
以91%的产率得到p-methoxyphenyl 3,4,6-tri-O-benzyl-2-azido-2-deoxy-β-D-glucopyranosyl-(1->4)-3,6-di-O-benzyl-2-N-phthalimido-2-deoxy-β-D-glucopyranosyl-(1->4)-3-O-acetyl-6-O-benzyl-2-N-phthalimido-2-deoxy-β-D-glucopyranoside