Journal
CHEMCATCHEM
Volume 9, Issue 24, Pages 4456-4459Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201701436
Keywords
arylazosulfones; gold; photoredox catalysis; Suzuki cross-coupling
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Funding
- University of Bologna
- Lombardy region/Cariplo Foundation, Italy [2015-0756]
- Chinese Scholarship Council [201609120008]
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A visible-light driven Suzuki cross-coupling reaction was performed with colored and bench-stable arylazosulfones in the presence of Ph3PAuCl (5 mol%) as the catalyst. The absence of a photocatalyst, along with the use of commercially available and easy-to-handle arylboronic acids underline the novelty and synthetic usefulness of the protocol. A reaction mechanism involving the generation of an aryl radical as the key intermediate has been proposed on the basis of experimental investigations.
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