Diazine

In organic chemistry, diazines are a group of organic compounds having the molecular formula C4H4N2. Each contains a benzene ring in which two of the C-H fragments have been replaced by isolobal nitrogen. There are three structural isomers:

  • pyridazine (1,2-diazine)
  • pyrimidine (1,3-diazine)
  • pyrazine (1,4-diazine)
Not to be confused with Diazene or Diazane.
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