4-methoxyphenyl (methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2→6)-4-O-acetyl-2,3-di-O-benzoyl-β-D-galactopyranoside 在
ammonium cerium (IV) nitrate 、
水 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
二氯甲烷 、
甲苯 、
乙腈 为溶剂,
反应 8.0h,
生成 (methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2→6)-4-O-acetyl-2,3-di-O-benzoyl-D-galactopyranosyl trichloroacetimidate