Recent synthetic methodologies for imidazo[1,5-a]pyridines and related heterocycles

Organic & Biomolecular Chemistry Pub Date: 2022-04-01 DOI: 10.1039/D2OB00386D

Abstract

Imidazo[1,5-a]pyridine is a significant structural component of a large number of agrochemicals and pharmaceuticals. The synthesis of imidazo[1,5-a]pyridine has been a subject of intense research for numerous decades. A large number of transformations are now available to conveniently access imidazo[1,5-a]pyridine from readily available starting materials. This review details the recent development in imidazo[1,5-a]pyridine construction involving cyclocondensation, cycloaddition, oxidative cyclization, and transannulation reactions.

Graphical abstract: Recent synthetic methodologies for imidazo[1,5-a]pyridines and related heterocycles
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