8-methoxycarbonyloctyl 2-O-(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4-di-O-benzyl-6-O-tert-butyldimethylsilyl-α-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 7.0h,
以86%的产率得到8-methoxycarbonyloctyl 3,4-di-O-benzyl-6-O-tert-butyldimethylsilyl-2-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside