methyl O-(4-O-acetyl-2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranosyl)-[(1->4)-O-(2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranosyl)]2-(1->4)-2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranoside 在
sodium methylate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 2.0h,
以90%的产率得到methyl O-(2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranosyl)-[(1->4)-O-(2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranosyl)]2-(1->4)-2,6-di-O-benzyl-3-O-methyl-α-D-mannopyranoside