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Synthesis of 14-aryl/alkyl -14H-dibenzo [a,j] Xanthenes and Nitriles Catalyzed by KHSO4-SiO2 Under Ultra-sonication and Solvent-free Conditions

Reddi Mohan Naidu Kalla, Muralikrishna Akkarapalli and Hasnah Osman

14-Aryl/Alkyl-14H-dibenzo[a,j]Xanthenes and Nitriles were synthesized by a green, simple and highly efficient one pot synthetic method. The dehydration of 2-napthol with aldehyde leads to xanthenes and aldoximes to nitriles catalysed by KHSO4-SiO2 in neat and ultrasonication to afford the title compounds in high yields and relatively short reaction times.