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^1*, Muralikrishna Akkarapalli² and Hasnah Osman²

¹Department of Chemistry, Yogananda Inistitute of Technology and Science, Tirupati, India

²School of Chemical Science, University of Sains Malaysia, Malaysia

^*Corresponding Author: Reddi Mohan Naidu Kalla, Department of Chemistry, Yogananda Inistitute of Technology and Science, Tirupati 517520, India Email: