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Soliman, H.A. and Salama, T.A. (2013) Silicon-Mediated Highly Efficient Synthesis of 1,8-Dioxo-Octahydroxanthenes and Their Transformation to Novel Functionalized Pyrano-Tetrazolo[1,5-a] Azepine Derivatives. Chinese Chemical Letters, 24, 404-406.
https://doi.org/10.1016/j.cclet.2013.03.021

has been cited by the following article:

• TITLE: Nano Nickel-Cobalt Ferrite Catalysed One-Pot Multi-Component Synthesis of Xanthenediones and Acridinediones

  AUTHORS: Srividhya Maripi, Raghu Babu Korupolu, Suri Babu Madasu

  KEYWORDS: 1, 8-Dioxo-Octahydroxanthenes, 1, 8-Dioxohexahydroacridines, Nano Nickel Cobalt Ferrite Catalyst and Recyclable Catalyst

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.7 No.1, February 28, 2017

  ABSTRACT: 1,8-Dioxo-octahydroxanthenes (4a-4f) and 1,8-dioxohexahydroacridines (5a-5c) were synthesized by novel, simple and eco-friendly method with higher yields in the presence of magnetically separable nano nickel-cobalt ferrite catalyst (Ni0.5Co0.5Fe2O4). The former, 1,8-dioxo-octahydroxanthenes have been synthesized from dimedone and different aromatic aldehydes, while the latter from this mixture are along with ammonium acetate. The main advantage of this method is that the nano catalyst can be reused up to five reaction cycles without losing the catalytic activity.