2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-benzoyl-α-D-glucopyranosyl bromide 、
11-tris(3,7,11,15-tetramethylhexadecyloxymethyl)-3,6,9-trioxa-1-undecanol 在
4 A molecular sieve 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以86%的产率得到11-tris(3,7,11,15-tetramethylhexadecyloxymethyl)-3,6,9-trioxa-1-undecyl-2,3,6-tri-O-benzoyl-4-O-(2,3,4,6-tetrabenzoyl-β-D-galactopyranosyl)-β D-glucopyranoside