Abstract

A review of synthetic methodologies reported in the last five years that yield N-heterocyclic products by intramolecular cyclization of organic azides with a particular emphasis on transformations catalyzed by metal complexes is presented. These reactions have been classified according to the ring size of the formed heterocycle.

Keywords: Amination reactions, Heterocycles, Homogeneous catalysis, Intramolecular cyclisations, Organic azides, Transition metal complexes, Dihydropyrroles, Benzimidazoles, isoquinolones, benzo[c]phenanthridine alkaloids, p-tolyl-sulfonyl