Multicomponent Synthesis of Tetrahydrobenzo[a]xanthene and Tetrahydrobenzo[a]acridine Derivatives using Sulfonated Multi-Walled Carbon Nanotubes as Heterogeneous Nanocatalysts Shakir Mahmood Saied, Mohanad Yakdhan Saleh*, Ahmed M. Hamdoon, 10.30495/ijc.2022.1955651.1924 XML Requires Subscription HTML Requires Subscription PDF views: 58 downloads: 252