3,6-di-O-benzoyl-4-O-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-1,2-O-<1-(exo-cyano)ethylidene>-α-D-glucopyranose 、 (2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R)-2-(acetoxymethyl)-4-(benzoyloxy)-6-bromo-5-(1,3-dioxoisoindolin-2-yl)tetrahydro-2H-pyran-3-yl)oxy)-6-((benzoyloxy)methyl)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 在
氰化汞 、 mercury dibromide 作用下,
以
乙腈 为溶剂,
反应 1.0h,
生成 O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-(1-4)-O-(6-O-acetyl-3-O-benzoyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1-3)-O-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1-4)-3,6-di-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-α-D-glucopyranose