(2'R,3'S,4R,4'R,5'R)-4-benzyl-3-[2',4'-bis(benzyloxy)-5'-(tert-butyldimethylsilanyloxy)-3'-hydroxyhexanoyl]-5,5-dimethyloxazolidin-2-one 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以73%的产率得到(3R,4S,5R,6R)-3,5-bis(benzyloxy)-4-hydroxy-6-methyltetrahydropyran-2-one