Citation: Abbas Rahmati. A rapid and efficient method for the synthesis of 14H-dibenzo [α.j] xanthenes, aryl-5H-dibenzo [b.i]xanthene-5,7,12,14-(13H)-tetraone and 1,8-dioxooctahydroxanthenes by acidic ionic liquid[J]. Chinese Chemical Letters, ;2010, 21(7): 761-764. doi: 10.1016/j.cclet.2010.02.014 shu

A rapid and efficient method for the synthesis of 14H-dibenzo [α.j] xanthenes, aryl-5H-dibenzo [b.i]xanthene-5,7,12,14-(13H)-tetraone and 1,8-dioxooctahydroxanthenes by acidic ionic liquid

Abbas Rahmati

Department of Chemistry, University of Isfahan, P. O. Box 81746-7344, Isfahan, Iran

Received Date: 21 September 2009

Fund Project: I gratefully acknowledge the financial support of the Research Council of the University of Isfahan.

Various xanthenes have been synthesized by the condensation of β-naphthol, 2-hydroxynaphthalene-1,4-dione or dimedone with various aldehydes in the presence of trifluoroacetic acid as catalyst in 1,1,3,3-N,N,N',N'-tetramethylguanidinium trifluoroacetate (TMGT) ionic liquid within 1h at 75℃.
- Ionic liquid,
- 14H-Dibenzo [α.j]xanthenes,
- β-Naphthol,
- 2-Hydroxyaaphthalene-1,4-dione,
- Dimedone
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