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Atom Transfer Radical Polymerization of Functionalized Vinyl Monomers Using Perylene as a Visible Light Photocatalyst
Published on: April 22, 2016
Visible-Light-Induced Palladium-Catalyzed Generation of Aryl Radicals from Aryl Triflates
Maxim Ratushnyy1,2, Nikita Kvasovs1,2, Sumon Sarkar1,2
1Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor Street, Chicago, IL, 60607-7061, USA.
Abstract:
A mild visible-light-induced Pd-catalyzed intramolecular C-H arylation of amides is reported. The method operates by cleavage of a C(sp2 )-O bond, leading to hybrid aryl Pd-radical intermediates. The following 1,5-hydrogen atom translocation, intramolecular cyclization, and rearomatization steps lead to valuable oxindole and isoindoline-1-one motifs. Notably, this method provides access to products with readily enolizable functional groups that are incompatible with traditional Pd-catalyzed conditions.
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