V. Kharchenko, L. Markova, T. D. Kazarinova
Jul 1, 1985
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Journal
Chemistry of Heterocyclic Compounds
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.