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Terminal Aryl Alkenes and Alkynes as Arylcarboxy Surrogates toward o‑Benzoxylation of 2‑Phenylpyridine Catalyzed by Copper

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journal contribution
posted on 21.03.2014, 00:00 by Saroj Kumar Rout, Srimanta Guin, Anupal Gogoi, Ganesh Majji, Bhisma K. Patel
A variety of styrenes and phenylacetylenes serve as excellent arylcarboxy sources in bringing about substrate directed o-benzoxylation of 2-phenylpyridine derivatives catalyzed by Cu­(II) in the presence of TBHP. This reaction proceeds via formation of phenylglyoxal followed by decarbonylation to benzoyl radical/benzaldehyde which acts as the arylcarboxy source.