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submitted on 25.09.2020 and posted on 25.09.2020by Arif Music, Andreas N. Baumann, Florian Boser, Nicolas Müller, Florian Matz, Thomas C. Jagau, Dorian Didier
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.