5-<2'-deoxy-5',6'-O-(1-methylethylidene)-3'-O--β-D-threo-hex-2'-enofuranosyl>-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以95%的产率得到5-<2'-deoxy-5',6'-O-(1-methylethylidene)-β-D-threo-hexo-furano-3'-ulos-1'-yl>-1,3-dimethyl-2,4(1H,3H)-pyrimidine-dione