[(3aR,5R,6R,7S,7aR)-7-benzoyloxy-2-pent-4-enoxy-2-phenyl-6-[(2S,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxy-5,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-5-yl]methyl benzoate 、 C
30H
32O
6 在
N-碘代丁二酰亚胺 、 ytterbium(III) triflate 作用下,
以
二氯甲烷 为溶剂,
反应 10.08h,
以66%的产率得到Bz(-2)[Bz(-3)][Bz(-4)][Bz(-6)]Gal(b1-4)[Bz(-2)][Bz(-3)][Bz(-6)]Glc(b1-6)[Bn(-2)][Bn(-3)][Bn(-4)]Man(a)-O-prop-2-ynyl