p-TsOH-promoted synthesis of (E)-6-phenyl-7-styryl-5,6-dihydrodibenzo[b,h][1,6]naphthyridines via cascade intramolecular aza-Michael addition/Friedlander condensation of 2′-aminochalcones in a SDS/H₂O system

Abstract

<italic>p</italic>-TsOH-promoted one-pot cascade synthesis of novel (<italic>E</italic>)-6-phenyl-7-styryl-5,6-dihydrodibenzo[<italic>b</italic>,<italic>h</italic>][1,6]naphthyridines <italic>via</italic> homodimerization of 2′-aminochalcones has been developed in a SDS/H₂O system.