methyl O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-O-<2-O-acetyl-3,4,6,7-tetra-O-benzyl-α-L-glycero-D-manno-heptopyranosyl-(1->7)>-2,4,6-tri-O-benzyl-l-glycero-α-D-manno-heptopyranoside 在
potassium tert-butylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以81%的产率得到methyl O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-O-<3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl-(1->7)>-2,4,6-tri-O-benzyl-L-glycero-α-D-manno-heptopyranoside