triethylamine 2-((2R,3R,4S,5R,6S)-4,5-bis(benzyloxy)-3-hydroxy-6-methoxytetrahydro-2H-pyran-2-yl)ethane-1-sulfonate 、
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物 在
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 、
甲苯 为溶剂,
反应 1.0h,
以64%的产率得到triethylamine 2-((2R,3R,4S,5R,6S)-4,5-bis(benzyloxy)-6-methoxy-3-(((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)ethane-1-sulfonate