5-O-(6-O-benzyl-2,3,4-tris-O-trimethylsilyl-β-D-mannopyranosyl)-1-N,6-O:3-N,4-O-dicarbonyl-1,3-di-N-methyl-2-deoxystreptemine 在
三氟甲磺酸三甲基硅酯 作用下,
以
乙醚 为溶剂,
反应 72.0h,
生成 5-O-<6-O-benzyl-2,3-O-<6-deoxy-6-ethoxycarbonylamino-2,3,4,7-tetra-O-(p-methylbenzyl)-L-glycero-D-galacto-(R)-heptopyranosylidene>-β-D-mannopyranosyl>-1-N,6O:3-N,4-O-dicarbonyl-1,3-di-N-methyl-2-deoxystreptamine