O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-(4-O-acetyl-2,4-di-O-benzoyl-β-D-galactopyranosyl)-(1->4)-O-[(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)]-2,4-di-O-benzoyl-α-D-... 、
十六烷酰胺,N-[4-[[2-(2-羟基乙氧基)乙氧基]甲基]苯基]-2-十四烷基- 在
4 Angstroem MS 、
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以75%的产率得到O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-(4-O-acetyl-2,4-di-O-benzoyl-β-D-galactopyranosyl)-(1->4)-O-[(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)]-2,4-di-O-benzoyl-β-D-...