Abstract
Tetrafluoro-substituted aryne, 3,4,5,6-tetrafluoro-1,2-dehydrobenzene, has been generated in situ from 2-amino-3,4,5,6-tetrafluorobenzoic acid, and its reactivity in reactions with 1,2,4-triazines as dienes has been studied. In these reactions, the corresponding azine ring transformation products, i.e., 1,2,3,4-tetrafluoro-10-(1H-1,2,3-triazol-1-yl)pyrido[1,2-a]indoles, have been obtained, in the case of triazines activated by the presence of electron-withdrawing groups, such as 6-aryl-3-(2-pyridyl)-5-cyano-1,2,4-triazines. The crystal structure of the obtained products was confirmed by X-ray diffraction analysis.
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Acknowledgements
This work was supported by the Russian Science Foundation (Grant # 15-13-10033), the Council for grants of the President of the Russian Federation (Grant No. MK-3079.2015.3) and Act # 211 of Russian Federation Government (No. 02.A03.21.0006).
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Kopchuk, D.S., Chepchugov, N.V., Gorbunov, E.B. et al. 3,4,5,6-Tetrafluoro-1,2-dehydrobenzene in reactions with 1,2,4-triazines. J IRAN CHEM SOC 14, 1507–1512 (2017). https://doi.org/10.1007/s13738-017-1091-3
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DOI: https://doi.org/10.1007/s13738-017-1091-3