A novel ganglioside bearing Neua2-3Gal and Neua2-6Gal structures as distal sequences was designed as a ligand for influenza A viruses. The efficient synthesis of the designed ganglioside was accomplished by employing the cassette coupling approach as a key reaction, which was executed between the non-reducing end of the oligosaccharide and the cyclic glucosylceramide moiety. Examination of its binding activity to influenza A viruses revealed that the new ligand is recognized by Neua2-3 and 2-6 type viruses.
设计了一种新型
神经节苷脂,其远端序列包含NeuA2-3Gal和NeuA2-6Gal结构,作为流感A病毒的
配体。通过采用盒式偶联法作为关键反应,实现了该设计
神经节苷脂的高效合成,该反应在低聚糖的非还原端与环状
葡萄糖基神经酰胺之间进行。检测其与流感A病毒的结合活性发现,新型
配体被NeuA2-3型和2-6型病毒所识别。