allyl (2-O-acetyl-3,4,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->2)-(3,4,6-tri-O-benzyl-β-D-mannopyranosyl)-(1->2)-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以100%的产率得到allyl (3,4,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->2)-(3,4,6-tri-O-benzyl-β-D-mannopyranosyl)-(1->2)-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside