Green-Light-Driven Fe(III)(btz)<sub>3</sub> Photocatalysis in the Radical Cationic [4+2] Cycloaddition Reaction
Yu Jeong Jang, Hyeju An, Seunghee Choi, Jayeon Hong, Seung Hyun Lee, Kwang‐Hyun Ahn, Youngmin You, Eun Joo Kang
Abstract
photocatalysis for the radical cationic [4+2] cycloaddition of terminal styrenes and nucleophilic dienes has been investigated. The Fe-MIC (mesoionic carbene) complex forms a ligand-to-metal charge-transfer transition state with relatively high excited-state reduction potentials that can selectively oxidize terminal styrene derivatives. Unique multisubstituted cyclohexenes and structurally complex biorelevant cyclohexenes were constructed, highlighting the usefulness of this mild and practical first-row transition metal complex system.
Topics & Concepts
ChemistryCycloadditionCationic polymerizationPhotocatalysisNucleophilePhotochemistryMesoionicTransition metalChemoselectivityCarbeneLigand (biochemistry)StyreneExcited stateCatalysisMedicinal chemistryPolymer chemistryOrganic chemistryCopolymerPolymerReceptorBiochemistryPhysicsNuclear physicsRadical Photochemical ReactionsCO2 Reduction Techniques and CatalystsCatalytic C–H Functionalization Methods