methyl (6-O-benzyl-2,3,4-tri-O-methyl-α-D-glucopyranosyl)-(1→4)-(2,3-di-O-methyl-β-D-glucopyranosyl)-(1→4)-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1→4)-(6-O-tert-butyldiphenylsilyl-2,3-di-O-methyl-α-L-idopyranosyl)-(1→4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 72.0h,
以96%的产率得到methyl (6-O-benzyl-2,3,4-tri-O-methyl-α-D-glucopyranosyl)-(1→4)-(2,3-di-O-methyl-β-D-glucopyranosyl)-(1→4)-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1→4)-(2,3-di-O-methyl-α-L-idopyranosyl)-(1→4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside