Asymmetric Catalytic Approaches Employing α,β‐Unsaturated Imines

Nitrogen‐containing heterocyclic compounds have consistently been a noticeable center of attention due to their significant utilization in the domain of synthetic organic chemistry, agrochemicals, and pharmaceuticals. α,β‐Unsaturated imines or conjugated imines provide a lot of significant cyclic as well as acyclic products through reacting with a versatile family of compounds. This review summarizes the recent advances in enantioselective reactions of α,β‐unsaturated imines by using synthetic methodologies for synthesizing various nitrogen‐containing heterocycles that contain four to six‐membered rings. The synthesis of rarely found seven‐, eight‐ and nine‐membered nitrogen‐containing heterocycles have also been reported. α,β‐Unsaturated imines, having diverse reactivity profile, have been exploited as versatile reaction partners in synthetic organic chemistry. This review comprehensively highlights the advancement made in asymmetric catalysis employing various chemically and structurally distinct conjugated imines/azadienes.