1-[(3aR,4R,6R,6aS)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-2-methyl-3a,4,6,6a-tetrahydro-furo[3,4-d]oxazol-4-yl]-1H-pyrimidine-2,4-dione 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以86%的产率得到1-((3aR,4R,6R,6aS)-6-Hydroxymethyl-2-methyl-3a,4,6,6a-tetrahydro-furo[3,4-d]oxazol-4-yl)-1H-pyrimidine-2,4-dione