(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(furan-2-yl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 、
2,3,4,6-四-O-苯基-Alpha-D-吡喃葡萄糖基三氯乙酰亚氨酸 在
zinc(II) chloride 作用下,
以
二氯甲烷 为溶剂,
以32%的产率得到(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(5-((2S,3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)furan-2-yl)tetrahydro-2H-pyran-3,4,5-triyl triacetate