Synthesis of polyfunctionalized benzophenones via the reaction of 3-formylchromones with tertiary push–pull enamines
作者:Alexey Yu. Barkov、Vladislav Yu. Korotaev、Igor B. Kutyashev、Vyacheslav Ya. Sosnovskikh
DOI:10.1016/j.tet.2016.03.005
日期:2016.4
Uncatalyzed nucleophilic reaction of 3-formylchromones with tertiary push–pull enamines in refluxing acetonitrile gave polyfunctionalized benzophenone derivatives as a result of a [3+3] annulation in moderate to good yields.
Synthesis of 1‐(2‐Hydroxy‐phenyl)‐3‐piperidin‐1‐yl‐propenone by Ultrasonic Irradiation
作者:N. R. Dalvi、S. N. Shelke、B. K. Karale、H. C. Gill
DOI:10.1080/00397910500385266
日期:2007.4.1
Different 1-(2-hydroxy-phenyl)-3-piperidin-1-yl-propenones have been synthesized by ultrasonic activation from differently substituted 3-formyl chromones and piperidine.
Ghosh, Chandra Kanta; Bandyopadhyay, Chandrakanta; Morin, Christophe, Journal of the Chemical Society. Perkin transactions I, 1983, p. 1989 - 1994