A photochemical benzylation of protonated heteroaromatic bases was realized by single electron transfer (SET) to the excited state of the base from the aromatic reactant. The benzylated product is formed by cross-coupling between the benzyl radical and the heterocyclic radical when they are in close proximity to one another. This allows the formation of products which are, to the best of our knowledge, unaccessible in other ways and which have now been obtained for the first time.
How to capture benzyl radicals: the light, the peroxide and the heterocyclic trap
GAMBAROTTI, CRISTIAN;PUNTA, CARLO;RECUPERO, FRANCESCO;MELE, ANDREA
2010-01-01
Abstract
A photochemical benzylation of protonated heteroaromatic bases was realized by single electron transfer (SET) to the excited state of the base from the aromatic reactant. The benzylated product is formed by cross-coupling between the benzyl radical and the heterocyclic radical when they are in close proximity to one another. This allows the formation of products which are, to the best of our knowledge, unaccessible in other ways and which have now been obtained for the first time.File in questo prodotto:
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