(1R,2R,3S,4R,5R,6S)-6-(((2R,3R,4R,5S)-4-(acetoxymethyl)-3-(((2R,3S,4S,5R,6S)-4,5-diacetoxy-6-(acetoxymethyl)-3-(((benzyloxy)carbonyl)(methyl)amino)tetrahydro-2H-pyran-2-yl)oxy)-4-hydroxy-5-methyltetrahydrofuran-2-yl)oxy)-3,5-bis(((benzyloxy)carbonyl)amino)cyclohexane-1,2,4-triyl triacetate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以71 %的产率得到(1R,2R,3S,4R,5S,6S)-3,5-bis(((benzyloxy)carbonyl)amino)-6-hydroxycyclohexane-1,2,4-triyl triacetate