、
在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
生成 tri-iso-propylsilylthio-4,7,8,9-tetra-O-acetyl-5-N-acetylamino-1-N,N-dimethylglycolamido-β-D-sialosyl-(2->6)-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->3)-2-azido-1,2-dideoxy-α-D-galactopyranoside) 、 tri-iso-propylsilylthio-4,7,8,9-tetra-O-acetyl-5-N-acetylamino-1-N,N-dimethylglycolamido-α-D-sialosyl-(2->6)-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->3)-2-azido-1,2-dideoxy-α-D-galactopyranoside)