CO<sub>2</sub>-facilitated radical sequential (3 + 2) annulation of 1,6-enynes <i>via</i> cooperation of sulfinate catalysis and photocatalysis
Yuzhen Gao, Siqing Liu, Weiping Su
Abstract
Reported here is the radical sequential (3 + 2) annulation of 1,6-enynes under the concerted catalysis of sulfinate and PC. Importantly, CO 2 as a green additive facilitates the unusual 1,4-elimination via proton transfer to provide desulfonylated products.
Topics & Concepts
AnnulationCatalysisPhotocatalysisChemistryPhotochemistryMedicinal chemistryOrganic chemistrySulfur-Based Synthesis TechniquesCarbon dioxide utilization in catalysisCatalytic C–H Functionalization Methods