Abstract <p>1-Antipyryl-4-aroyl-5-methoxycarbonyl-1<i>H</i>-pyrrole-2,3-diones reacted with dimedone (5,5-di­methyl­cyclohexane-1,3-dione) to give 1′-antipyryl-3′-aroyl-4′-hydroxy-6,6-dimethyl-6,7-dihydrospiro­[benzo­furan-3,2′-pyrrole]-2,4,5′(1′<i>H</i>,5<i>H</i>)-triones.</p>

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Spiro Heterocyclization of 1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones with Dimedone

  • V. A. Lyadov,
  • E. S. Denislamova,
  • A. N. Maslivets

摘要

Abstract

1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones reacted with dimedone (5,5-di­methyl­cyclohexane-1,3-dione) to give 1′-antipyryl-3′-aroyl-4′-hydroxy-6,6-dimethyl-6,7-dihydrospiro­[benzo­furan-3,2′-pyrrole]-2,4,5′(1′H,5H)-triones.