68828-00-2Relevant articles and documents
A rapid and efficient method for the synthesis of 14H-dibenzo[7α.j] xanthenes, aryl-5H-dibenzo [b.i]xanthene-5,7,12,14-(13H)-tetraone and 1,8-dioxo-octahydroxanthenes by acidic ionic liquid
Rahmati, Abbas
, p. 761 - 764 (2010)
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 (
Br?nsted acidic ionic liquid as an efficient and reusable catalyst for synthesis of 14-aryl-or 14-alkyl-14 H-dibenzo[a,j]xanthenes under solvent-free conditions
Hajipour, Abdol R.,Ghayeb, Yosof,Sheikhan, Nafisehsadat,Ruoho, Arnold E.
experimental part, p. 741 - 744 (2010/06/13)
A mild and efficient method has been developed for the preparation of 14-aryl-or 14-alkyl-14H-dibenzo[a,j]xanthenes from one-pot condensation of aldehydes with 2-naphthol using catalytic amount of Br?nsted acidic ionic liquid ([TEBSA][HSO) under thermal s
Facile and efficient synthesis of 14-alkyl- or aryl-14-H-dibenzo[a,j] xanthenes using sulfonyl-functionalized ionic liquids
Kumari, Pratibha,Yathindranath, Vinith,Chauhan
, p. 637 - 648 (2008/04/12)
An efficient, simple, and rapid synthesis of 14-alkyl-or aryl-14-H-dibenzo[a,j]xanthenes is reported by one-pot condensation of 2-naphthol with alkyl or aryl aldehydes in the presence of sulfonyl- functionalized acidic ionic liquids at 125°C. Copyright Ta