N-Aminopyridinium salts generate nitrogen-centered radicals by means of photoredox catalysis. Herein, we report that they can be trapped by enol equivalents to give α-amino carbonyl compounds in excellent yields. The broad syntheticutility of this method is demonstrated by functionalization of ketones, aldehydes, esters enol equivalents, vinyl ethers, and 1,3-diketones without the need for prior conversion
Power of the sun: Carbondioxide was incorporated into α‐amino ketones through a consecutive process consisting of a solar‐energy‐harvesting photocyclization reaction and a nucleophilic CO2 incorporation reaction. The single‐flask operation produced amino‐substituted cyclic carbonates, thereby presenting a simple model of the chemical utilization of solar energy for CO2 incorporation. R=sulfonyl group