乙酸酐 、
Thexyldimethylsilyl 4-C-(2,6-anhydro-D-threo-L-galacto-heptit-1-yl)-2-acetamido-2,4-dideoxy-β-D-glucopyranoside 在
吡啶 作用下,
反应 18.0h,
生成 Thexyldimethylsilyl 2-acetamido-3,6-di-O-acetyl-4-C-(1,3,4,5,7-penta-O-acetyl-2,6-anhydro-D-threo-L-galacto-heptit-1-yl)-2,4-dideoxy-β-D-glucopyranoside