Robin Esken
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View article: Imidazo[1,5‐ <i>a</i> ]pyridines – A Versatile Platform for Structurally Distinct <i>N</i> ‐Heterocyclic Olefins and π‐Extended Heterocycles
Imidazo[1,5‐ <i>a</i> ]pyridines – A Versatile Platform for Structurally Distinct <i>N</i> ‐Heterocyclic Olefins and π‐Extended Heterocycles Open
The synthesis of polarized N ‐heterocyclic olefins (NHOs) based on an imidazo[1,5‐ a ]pyridine scaffold is presented. In contrast to regular NHOs the unique bicyclic heterocyclic core allows the incorporation of various substituents in clo…
View article: Pyridinium‐Derived Mesoionic <i>N</i>‐Heterocyclic Olefins (py‐mNHOs)
Pyridinium‐Derived Mesoionic <i>N</i>‐Heterocyclic Olefins (py‐mNHOs) Open
Mesoionic polarization allows access to electron‐rich olefins that have found application as organocatalysts, ligands, or nucleophiles. Herein, we report the synthesis and characterization of a series of 3‐methylpyridinium‐derived mesoioni…