Oxidative Imidation of Benzylic and Cycloalkane C(sp 3 )-H Bond Donors Using N -Aroyloxyquinuclidinium Salts and Nitriles under Photoredox Catalysis.

A series of N -aroyloxyquinuclidinium salts were prepared and used as reagents to perform efficient three-component Ritter-Mumm-type oxidative C-H imidation of donors of 1° and 2° benzylic C-H bonds used as limiting reagents with nitriles as a source of imide nitrogen under photocatalytic conditions; these reagents also exhibit somewhat lower reactivity toward cycloalkanes.