Heterocyclization of N,N′-disubstituted p-phenylenediamines with cyclich β-diketones and formaldehyde. Synthesis of new pyrido[2,3-g] quinoline derivatives

Article abstract of DOI:10.1134/S1070428011030158

Three-component condensation of N,N′-dibenzyl-p-phenylenediamines with cyclic β-diketones and formaldehyde under mild conditions resulted in selective formation of a series of new dispiro derivatives of pyrido[2,3-g]quinoline.