benzyl 2-O-(2-O-(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 0.17h,
以77%的产率得到benzyl O-(3,4,6-tri-O-benzyl-α D-mannopyranosyl)-(1-2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1-2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside