4-methoxyphenyl 2,6-di-O-allyloxycarbonyl-3,4-di-O-benzoyl-α-D-mannopyranosyl-(1->6)-3,4-di-O-benzoyl-α-D-mannopyranoside 、
乙酸酐 在
吡啶 作用下,
反应 12.0h,
以95%的产率得到4-methoxyphenyl 2,6-di-O-allyloxycarbonyl-3,4-di-O-benzoyl-α-D-mannopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-mannopyranoside