、 3,4,6-tri-O-benzyl-2-azido-2-deoxy-β-D-glucopyranosyl-(1->4)-3,6-di-O-benzyl-2-acetylamino-2-deoxy-β-D-glucopyranosyl-(1->4)-3,6-O-benzyl-2-N-phthalimido-2-deoxy-β-D-glucopyranosyl o-hexynylbenzoate 在
trifluoromethanesulfonyloxy(triphenylphosphine)gold(I) 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以51%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-glucopyranosyl-(1->4)-3-O-acetyl-6-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