Synthesis of spiro[imidazole-2,2′-pyrroles] by reaction of 4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with urea

This publication has 7 references indexed in Scilit:

• Reaction of methyl 3-aroyl-1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with arylhydrazines. synthesis of isomeric 5-arylcarbamoyl-4-aroyl- and 5-aryl-4-aryloxamoyl-1H-pyrazoles
  Russian Journal of Organic Chemistry, 2016
• Five-membered 2,3-dioxo heterocycles: LXXXII. Recyclization of dimethyl 4,5-Dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates in reaction with monosubstituted hydrazines. crystalline and molecular structure of dimethyl 1-benzyl-5-(4-methylphenylcarbamoyl)-1H-pyrazole-3,4-dicarboxylate
  Russian Journal of Organic Chemistry, 2012
• Five-membered 2,3-dioxo heterocycles: LXXX. Recyclization of 1H-pyrrole-2,3-diones into pyrazolo[1,5-a]pyrimidines by the action of pyrazolamine. Crystalline and molecular structure of substituted pyrazolo[1,5-a]pyrimidine
  Russian Journal of Organic Chemistry, 2011
• Five-membered 2,3-dioxo heterocycles: LXXV. Reaction of methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 1,3-diphenylguanidine. Crystalline and molecular structure of 9-Benzoyl-8-hydroxy-2-imino-6-(4-methylphenyl)-1,3-diphenyl-1,3,6-triazaspiro-[4.4]non-8-ene-4,7-dione
  Russian Journal of Organic Chemistry, 2011
• A Synthesis of 4-Quinolone-3-carboxylic Acids via Pyrolysis of N-Aryldioxopyrrolines
  HETEROCYCLES, 1999
• Reaktionen mit cyclischen Oxalylverbindungen, 26. Mitt. Cyclokondensation von 4,5-substituierten Thiophen- bzw. N-Alkylpyrrol-2,3-dionen mito-Phenylendiamin
  Monatshefte für Chemie - Chemical Monthly, 1988
• Thermal Reaction of 1-Phenyl-2-ethoxycarbonyl-3-benzoyl-D2-pyrroline-4,5-dione with Olefins
  HETEROCYCLES, 1976