<p>Three-component reaction between arylglyoxals, barbituric/thiobarbituric acid and ammonium/potassium thiocyanate led to the synthesis of ammonium barbiturate/thiobarbiturate and potassium barbiturate derivatives in high yields. All reactions were carried out in ethanol as a safe solvent without the use of a catalyst. The stable solid products were easily isolated and purified by washing with water and ethanol without the need for chromatographic methods. The structures of the products were confirmed by <sup>1</sup>H, <sup>13</sup>C-NMR, IR, and elemental analysis.</p>

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An efficient synthesis of new barbiturate/thiobarbiturate salts by the reaction between arylglyoxals, barbituric/thiobarbituric acid and ammonium/potassium thiocyanate

  • Maryam Oudi,
  • Mohammad Anary-Abbasinejad

摘要

Three-component reaction between arylglyoxals, barbituric/thiobarbituric acid and ammonium/potassium thiocyanate led to the synthesis of ammonium barbiturate/thiobarbiturate and potassium barbiturate derivatives in high yields. All reactions were carried out in ethanol as a safe solvent without the use of a catalyst. The stable solid products were easily isolated and purified by washing with water and ethanol without the need for chromatographic methods. The structures of the products were confirmed by 1H, 13C-NMR, IR, and elemental analysis.