[(1S,3R,4S,5S,6R)-4,5-bis(phenylmethoxy)-2,7-dioxabicyclo[4.1.0]heptan-3-yl]methoxy-tert-butyl-diphenylsilane 、
11-methoxycarbonylundecanyl 2-O-benzoyl-6-O-(2-O-benzoyl-3,4-di-O-benzyl-β-D-galactopyranosyl)-3,4-di-O-benzyl-β-D-galactopyranoside 在
zinc(II) chloride 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
以67%的产率得到11-methoxycarbonylundecanyl 2-O-benzoyl-3,4-di-O-benzyl-6-O-[2-O-benzoyl-6-O-(3,4-di-O-benzyl-6-O-tert-butyldiphenylsilyl-β-D-galactopyranosyl)-3,4-di-O-benzyl-β-D-galactopyranosyl]-β-D-galactopyranoside