发明授权
US3793339A 1-hydrocarbon-substituted 2-halo-4,5-dicyanoimidazoles and their preparation 失效
1-烃取代的2-羟基-4,5-二脱氧尿嘧啶及其制备方法

  • 专利标题: 1-hydrocarbon-substituted 2-halo-4,5-dicyanoimidazoles and their preparation
  • 专利标题(中): 1-烃取代的2-羟基-4,5-二脱氧尿嘧啶及其制备方法
  • 申请号: US3793339D
    申请日: 1972-04-07
  • 公开(公告)号: US3793339A
    公开(公告)日: 1974-02-19
  • 发明人: WEBSTER O
  • 申请人: DU PONT
  • 专利权人: Du Pont
  • 当前专利权人: Du Pont
  • 优先权: US24219972 1972-04-07
  • 主分类号: C07D233/90
  • IPC分类号: C07D233/90 C07D49/36
1-hydrocarbon-substituted 2-halo-4,5-dicyanoimidazoles and their preparation
摘要:
PYROLYSIS OF 2-DIAZO-4,5-DICYANO-2H-IMIDAZOLE IN THE PRESENCE OF CERTAIN HALOHYDROCARBONS YIELDS 1 SUBSTITUTED-2-HALO-4,5-DICYANOIMIDAZOLES. -HYDROCARBON
PYR LYSUS OF THE SAME STARTING MATERIAL IN THE PRESENCE OF HYDROCARBONS, CERTAIN OTHER HALOHYDROCARBONS, OR CERTAIN GROUP I METAL SALTS, YIELDS 2-SUBSTITUTED-4,5-DICYANOIMIDAZOLES.
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