SYNTHESIS OF 9,9-dimethyl-12-aryl-8,9,10, 12-tetrahydrobenzo[a]xanthen-11-ones USING Fe(ClO4)3/SiO2
FATANEH R. KHANEHKENARI
Department of Chemistry, Karaj Branch, Islamic Azad University, Karaj, Iran
FARAHNAZ K. BEHBAHANI *
Department of Chemistry, Karaj Branch, Islamic Azad University, Karaj, Iran
*Author to whom correspondence should be addressed.
Abstract
One pot synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a] xanthen-11-ones has been catalyzed by FeClO4)3/SiO2 via three component cyclocondensation of aldehydes, 2-naphthol and dimedone under solvent-free condition in high yields. Advantages of this work were compared with those of previously reported.
Keywords: FeClO4)3/SiO2, tetrahydrobenzo [a] xanthenes, dimedone, solvent-free, aldehyde