Organic photoredox catalysis for the oxidation of silicates: applications in radical synthesis and dual catalysis

Abstract : Metal free photooxidation of alkyl bis(catecholato)silicates with the organic dye 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyano-benzene (4CzIPN) allows the smooth formation of alkyl radicals. The latter can be efficiently engaged either with radical acceptors to provide homolytic addition products or in photoredox/nickel dual catalysis reactions to obtain cross-coupling products.
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Christophe Lévêque, Ludwig Chenneberg, Vincent Corcé, Cyril Ollivier, Louis Fensterbank. Organic photoredox catalysis for the oxidation of silicates: applications in radical synthesis and dual catalysis. Chemical Communications, Royal Society of Chemistry, 2016, 52, pp.9877-9880 ⟨10.1039/C6CC04636C⟩. ⟨hal-01346464⟩

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