Visible-Light-Driven C−H Imidation of Arenes and Heteroarenes by a Phosphonium Ylide Organophotoredox Catalyst: Application to C−H Functionalization of Alkenes

18 April 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Phosphonium ylide catalysis through an oxidative quenching cycle has been developed for visible-light-driven C−H imidation of arenes and heteroarenes. The present protocol could be applied not only to trihalomethylative lactonization reactions involving trifluoromethyl, trichloromethyl, and tribromomethyl radicals but also to the first example of an organophotoredox-catalyzed imidative lactonization reaction involving a nitrogen-centered electrophilic radical species.

Keywords

organocatalysis
photoredox catalysis

Supplementary materials

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Supporting Information
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Experimental procedures and spectroscopic data for all new compounds
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