(2,3,4,5,6-pentafluorophenyl) (2S,3R)-3-[[(2S,4aR,6S,7R,8R,8aR)-7-azido-8-hydroxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)butanoate 在
三氟甲磺酸三甲基硅酯 、 3 A molecular sieve 、 copper(II) sulfate 、
溶剂黄146 、
锌 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 13.0h,
生成 O-[2-Acetamido-O-[2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucoppyranosyl-(1->6)]-2-deoxy-O-[2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl]-(1->3)]-α-D-galactopyranosyl]-N
α-(fluoren-9-ylmethoxycarbonyl)-L-threonine pentafluorophenyl ester