allyl (methyl 2,3-di-O-benzoyl-4-O-tert-butyldimethylsilyl-β-D-glucopyranosyluronate)-(1->3)-(4,6-O-p-methoxybenzylidene-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-(methyl 2,3-di-O-benzoyl-β-D-glucopyranosyluronate)-(1->3)-4,6-O-p-methoxybenzylidene-2-deoxy-2-acetamido-β-D-galactopyranoside 在
水 、
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以75%的产率得到allyl (methyl 2,3-di-O-benzoyl-4-O-tert-butyldimethylsilyl-β-D-glucopyranosyluronate)-(1->3)-(2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-(methyl 2,3-di-O-benzoyl-β-D-glucopyranosyluronate)-(1->3)-2-deoxy-2-acetamido-β-D-galactopyranoside