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Keywords:

  • polarized ketene dithioacetals;
  • thienothiophenes;
  • bis-benzoxazolyl/benzothiazolyl/benzimidazolyl-pyrazolidine diones/isoxazolidinediones/pyrimidinetriones/thioxopyrimidinediones;
  • cyclocondensation

Abstract

The reactivity of polarized ketene dithioacetals to develop a variety of heterocycles under different conditions was studied.