(3R,5R,6R)-5-[2-(benzyloxy)ethyl]-6-(4-methoxybenzyloxy)-4-oxotetrahydro-2H-pyran-3-ol 4-methylbenzenesulfonate 、
三甲基铝 以
甲苯 为溶剂,
以88%的产率得到(3R,4S,5R,6R)-5-[2-(benzyloxy)ethyl]-4-hydroxy-6-(4-methoxybenzyloxy)-4-methyltetrahydro-2H-pyran-3-ol 4-methylbenzenesulfonate