Advances in Heterocyclic Chemistry, Volume 143, the latest release in this esteemed series, highlights new advances in the field. Chapter sin this release include Heterocyclic Zwitterions Based on Coupled Polymethines, Recent chemistry and applications of 1,3,4-oxadiazoles, The Synthesis and Applications of Bioactive Phenoxazinones. Diversity of Heterocyclic Reactants in the Click Reaction, Recent advances in the Synthesis of Benzo[b]furans, Bis-ethanones and their derivatives: versatile precursors for bis-heterocycles. - Considered the definitive serial in the field of heterocyclic chemistry - Serves as the go-to reference for organic chemists, polymer chemists, and many biological scientists - Provides the latest comprehensive reviews written by established authorities in the field - Combines descriptive synthetic chemistry and mechanistic insights to enhance understanding on how chemistry drives the preparation and useful properties of heterocyclic compounds