8-(methoxycarbonyl)octyl O-(benzyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2<*>3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1<*>4)-6-O-acetyl-2-azido-2-deoxy-β-D-glucopyranoside 在
吡啶 、
硫化氢 、
三乙胺 作用下,
以
水 为溶剂,
反应 16.0h,
以70%的产率得到8-(methoxycarbonyl)octyl O-(benzyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2<*>3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1<*>4)-6-O-acetyl-2-amino-2-deoxy-β-D-glucopyranoside