benzyl O-(3-O-acetyl-2,4,6-tri-O-benzyl-α-D-mannopyranosyl)-<(1-2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)>2-(1-2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside 在
sodium methylate 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以83%的产率得到benzyl O-(2,4,6-tri-O-benzyl-α-D-mannopyranosyl)-<(1-2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)>2-(1-2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside