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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/B90E479C-48D7-4FC2-A16E-91B416B5ED71 | ||
| Year | 2000 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | N.P. Xekoukoulotakis, C.P. Hadjiantoniou-Maroulis and A.J. Maroulis, Synthesis of quinoxalines by cyclization of α-arylimino oximes of α-dicarbonyl compounds, Tetrahedron Letters, Vol. 41, no.52, pp. 10299-10302, Dec. 2000. doi:10.1016/S0040-4039(00)01847-5 https://doi.org/10.1016/S0040-4039(00)01847-5 | ||
| Appears in Collections |
Heating the title compounds 1 at reflux in acetic anhydride yields quinoxalines 3 and 4 via a presumed aryliminoiminyl radical 5, resulting from homolytic cleavage of the NO bond in the intermediate ester 2. The observed regioselectivity of the reaction is also rationalized by implicating such a radical.
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