(2S,3R,4R,5S,6R)-(+)-2-(2,5-dibenzyloxy-3,4-dimethylphenyl)-4-(N-methoxycarbonyl-N-methylamino)-3,5,6-tris(methoxymethyloxy)-2-methyltetrahydropyran 在
lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
反应 0.5h,
以95%的产率得到(2S,3R,4R,5S,6R)-(+)-2-(2,5-dibenzyloxy-3,4-dimethylphenyl)-4-dimethylamino-3,5,6-tris(methoxymethyloxy)-2-methyltetrahydropyran