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Note | Regular issue | Vol 65, No. 9, 2005, pp.2161-2167
Published online, 26th July, 2005
DOI: 10.3987/COM-05-10411
Reaction of Some Furan-2,3-diones with Various 1,2-Phenylenediamines

Emin Saripinar,* Ertugrul Gazi Saglam, Ibrahim Öncel, Ilhan Özer Ilhan, Lale Göktas, Tevfik Riza Kök, and Yunus Akçamur

*Department of Chemistry, Arts and Sciences Faculty, Erciyes University, TR-38039 Kayseri, Turkey


Condensation of 4-aroyl-5-aryl-2,3-furandiones (1a,b) and ethyl 4,5-dioxo-2-phenyl-4,5-dihydrofuran-3-carboxylate (1c) with various 1,2-phenylenediamines (2d-f) gave 2(1H)-quinoxalinone derivatives, 1,3-diaryl-2-(3-oxo-3,4-dihydro-2-quinoxalinyl)-1,3-propanediones (3ae,af,bd,be,bf) and ethyl 3-aryl-3-oxo-2-(2-oxo-1,2-dihydro-2-quinoxalinyl)propanoate (3cd,ce). Alkaline treatment of 1,3-propanediones (3af,bd,bf) gave corresponding 3-aroylmethyl-2(1H)-quinoxalinones (4af,bd,bf).