Electrophilic Iodination Reagent-Catalyzed Oxidative Annulation of Alkynoates and Nitriles to Oxazoles via Putative α,α′-Dicarbonyl Iodocarbenoids
Electrophilic halogenation reagent-promoted alkyne functionalizations are among the most essential reactions in organic synthesis but have predominantly remained restricted to 1,2-difunctionalizations. Thus, developing new reaction modes is crucial not only for accessing new structural types but also for discovering...