Advances in Heterocyclic Chemistry, Volume 131, the latest release in this definitive series in the field, contains highly specialized chapters on a variety of topics, including 1,5-Disubstituted 8-membered ring heterocycles, Recent Developments in the Chemistry of Sydnones and Sydnone imines, Synthesis of fulleroheterocycles, Synthetic approaches to nitroheterocycles by nitration and other methods, 1,3-Amino alcohols and their phenol analogs in heterocyclization reactions, Synthesis of various N-heterocycles using the four component, The Chemistry of Dihydrothienopyrrolones, Part 2, Recent developments in the radiolabeling of heterocyclic rings, Application of Electrochemical Oxidative Methods in the C(sp2)-H Functionalization of Heterocyclic Compounds, and more.