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Photocatalyzed Transition-Metal-Free Oxidative Cross-Coupling Reactions of Tetraorganoborates

preprint
submitted on 25.09.2020 and posted on 25.09.2020 by Arif Music, Andreas N. Baumann, Florian Boser, Nicolas Müller, Florian Matz, Thomas C. Jagau, Dorian Didier
Readily accessible tetraorganoborate salts undergo selective coupling reactions under blue light irradiation in the presence of catalytic amounts of transition-metal-free acridinium and rhodamine photocatalysts to furnish unsymmetrical biaryls, heterobiaryls and arylated olefins. This represents an interesting conceptual approach to forge C-C bonds between aryl, heteroaryl and alkenyl groups under smooth photochemical conditions. Computational studies were conducted to investigate the mechanism of the transformation.

Funding

DFG grant DI 2227/2-1 (to D.D. and A.N.B.)

DFG grant DI 2227/4-1 (to D.D.)

DFG SFB749 (to D.D.)

LMU Excellence (to A.M.)

Erasmus+ (to F.M.)

ERC grant agreement 851766 (to T.C.J.)

History

Email Address of Submitting Author

dorian.didier@cup.uni-muenchen.de

Institution

Ludwig-Maximilians Universität

Country

Germany

ORCID For Submitting Author

0000-0002-6358-1485

Declaration of Conflict of Interest

There is no conflict of interest to declare

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