3-Allyl- and 3-prop-1-ynylsulfanyl-2-arylazo-3-cycloalkylamino-acrylonitriles undergo cyclization under mild conditions to afford the novel heterocyclic systems 1,4,6,7,8,8a-hexahydropyrrolo[2,1-c][1,2,4]-triazine-4-thione, 1,4,6,7,9,9a-hexahydro-[1,4]oxazino[3,4-c][1,2,4]triazine and 1,6,7,8,9,9a-hexahydro-4H-pyrido[2,1-c][1,2,4]triazine via a number of consecutive pericyclic reactions. © 2007 Elsevier Ltd. All rights reserved.
CITATION STYLE
Belskaia, N. P., Deryabina, T. G., Koksharov, A. V., Kodess, M. I., Dehaen, W., Lebedev, A. T., & Bakulev, V. A. (2007). A novel approach to fused 1,2,4-triazines by intramolecular cyclization of 1,2-diaza-1,3-butadienes bearing allyl(propargyl)sulfanyl and cyclic tert-amino groups. Tetrahedron Letters, 48(52), 9128–9131. https://doi.org/10.1016/j.tetlet.2007.10.140
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