Reaction of 1-antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones with 1,3-Diphenylguanidine

Key Points

• The aim is to investigate the reaction between 1-antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones and 1,3-diphenylguanidine.
• Chemical reaction synthesis of the compounds
• Characterization by 1H NMR spectroscopy
• Characterization by IR spectroscopy
• Formation of 6-antipyryl-9-aroyl-8-hydroxy-2-imino-1,3-diphenyl-1,3,6-triazaspiro[4.4]non-8-en-4,7-diones
• Structural confirmation through NMR and IR spectroscopy