General Multicomponent Strategy for the Synthesis of 2‐Amino‐1,4‐diazaheterocycles: Scope, Limitations, and Utility

Abstract

Abstract Multicomponent reactions of primary 1,2‐ and 1,3‐diamines with carbonyl compounds and isocyanides resulting in the formation of diverse 2‐amino‐1,4‐diazaheterocycles are described. Lewis acids (LAs) promote the reactions effectively, and chlorotrimethylsilane (TMSCl) has been found to be a promoter of choice. The scope and limitations of the reactions with regard to each of the components are evaluated and discussed. Post‐IMCR modifications of the synthesized heterocycles have been elaborated.