Carbonylation of Polyfluorobenzocyclobutenones in a SbF5 Medium


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Abstract

The carbonylation of perfluoro-2-R-benzocyclobutenones (R = F, CF3, C2F5, C6F5) in a CO-SbF5 system is accompanied by transformations of the four-membered cycle in the substrate to form polyfluorinated 1H-isochromene derivatives. The reaction of perfluoro-2-R-benzocyclobutenes (R = F, CF3, C2F5) with (CF3CO)2O or CF3COOH in a SbF5 medium in a sealed ampule involves formation of polyfluorobenzocyclobutenones and their carbonylation under the reaction conditions.

About the authors

Ya. V. Zonov

Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch; Novosibirsk State University

Author for correspondence.
Email: yzonov@nioch.nsc.ru
Russian Federation, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090

V. M. Karpov

Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch

Email: yzonov@nioch.nsc.ru
Russian Federation, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090

T. V. Mezhenkova

Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch

Email: yzonov@nioch.nsc.ru
Russian Federation, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090

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