(2'R,3'S,4R,4'R,5'S)-4-benzyl-3-[2',4'-bisbenzyloxy-5'-(tert-butyl-dimethyl-silanyloxy)-5'-furan-2''-yl-3'-hydroxy-pentanoyl]-5,5-dimethyl-oxazolidin-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62%的产率得到(2R,3S,4S,5R)-2,4-bis-benzyloxy-3-hydroxy-5-furan-2'-yl-tetrahydro-pyran-2-one