8-methoxycarbonyloctyl 3-O-allyl-2,4-di-O-benzyl-6-O-(2,6-di-O-acetyl-3,4-di-O-benzyl-α-D-mannopyranosyl)-β-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以99%的产率得到8-methoxycarbonyloctyl 3-O-allyl-2,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-α-D-mannopyranosyl)-β-D-mannopyranoside