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Paper | Special issue | Vol 33, No. 2, 1992, pp.649-656
Published online, 1st January, 1970
DOI: 10.3987/COM-91-S61
A Synthesis of 2,2,4-Trisubstituted 2H-Imidazol-5-ones from 3-Cyano-1,1,4-triaryl-2-aza-1,3-dienes

Veneta Dryanska*

*Department of Chemistry, University of Sofia, Sofia 1126, Bulgaria


A series of 4-arylmethyl-2,2-diphenyl-2H -imidazol-5-ones (2a -r ) are prepared via intramolecular cyclization from 4-aryl-3-cyano-1,1-diphenyl-2-aza-1,3-butadienes (1a -r) in aq. NaOH - ethanol system.