Synthesis of Acridine-1,8(2H,5H)-diones Related to Dapsone Using the Catalyst Fe 3 O 4 @SiO 2 Pr@E-N'-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide@Cu

1,4-Dihydropyridines (1,4-DHPs) were first synthesized by Hantzsch in 1882 and continue to be of intense interest today. They have numerous biological properties, including antibacterial, antifunga...