Access to Azetidines via Gold Mediated Energy Transfer Photocatalysis
Sébastien G. Guillet, Aleksei A. Logvinov, Vladislav A. Voloshkin, Ekaterina A. Martynova, Steven P. Nolan
Abstract
The area of energy transfer photocatalysis to generate four-membered rings is experiencing an unprecedented level of activity. Here, we report an operationally simple method toward azetidines from 2-isoxasoline-3-carboxylates and alkenes, using [Au(cbz)(NHC)] complexes as photocatalysts. The procedure enables the reaction for a wide range of substrates. Mechanistic studies confirm the energy transfer pathway. This contribution adds to the earlier reported use of these gold catalysts as a potentially versatile tool in energy transfer chemistry and catalysis.
Topics & Concepts
PhotocatalysisChemistryCatalysisEnergy transferCombinatorial chemistryRange (aeronautics)NanotechnologyPhotochemistryOrganic chemistryChemical physicsMaterials scienceComposite materialSulfur-Based Synthesis TechniquesSynthesis and Catalytic ReactionsCatalytic C–H Functionalization Methods