Abstract
Synthesis of Pyrimidine Derivatives Having Oxo, Thioxo or Amino Functions at Position 4 from 1,2,4‐Dithiazolium SaltsThe (thioaroylamido)acrylonitriles 2, obtained by reaction of 1,2,4‐dithiazolium salts 1 with ethyl cyanacetate, undergo ring transformation reactions by reaction with ammonium acetate, primary and secondary amines and form the pyrimidines 7–9. A possible mechanism for these reactions is discussed.
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