Abstract
Triketones of the 2-(3-oxopropyl) cyclohexane-1,3-dione series have been shown for the first time to react with boron trifluoride etherate to give the novel 5-oxo-5,6,7,8-tetrahydrochromylium fluoroborates, which in turn react with ammonia to give 5-oxo-5,6,7,8-tetrahydroquinolines. These were also obtained directly from ammonium acetate and 2-(3-oxopropyl)cyclohexane-1,3-diones.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 915–918, July, 1985.
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Kharchenko, V.G., Markova, L.I., Kazarinova, T.D. et al. Heterogyclization of triketones of the 2-(3-oxopropyl)-cyclohexane-1,3-dione series. Chem Heterocycl Compd 21, 758–761 (1985). https://doi.org/10.1007/BF00519140
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DOI: https://doi.org/10.1007/BF00519140