phenyl 2,3,6-tri-O-methyl-4-O-(6-O-benzyl-2,3-di-O-methyl-α-D-glucopyranosyl)-1-thio-β-D-glucopyranoside 、
4-O-acetyl-2,3,6-tri-O-methyl-α-D-glucopyranosyl-[(1->4)-2,3,6-tri-O-methyl-α-D-glucopyranosyl]4-(1->4)-1-deoxy-1-fluoro-2,3,6-tri-O-methyl-D-glucopyranose 在
4 A molecular sieve 、 silver perchlorate 、 tin(ll) chloride 作用下,
以
乙醚 为溶剂,
反应 14.0h,
以30%的产率得到phenyl 4-O-acetyl-2,3,6-tri-O-methyl-α-D-glucopyranosyl-[(1->4)-2,3,6-tri-O-methyl-α-D-glucopyranosyl]5-(1->4)-6-O-benzyl-2,3-di-O-methyl-α-D-glucopyranosyl-(1->4)-2,3,6-tri-O-methyl-1-thio-D-glucopyranoside