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Synthesis of the fused heterocyclic systems via Mallory photoreaction of arylthienylethenes

Abstract

Photochemical oxidative cyclization of 2- and 3-thienylstilbenes (heterostilbenes) containing mono-, di- and trimethoxy groups in benzene ring or heterocyclic fragment results in the formation of isomeric thieno-annelated polycyclic aromatic compounds demonstrating optical properties differ from those of initial stilbene derivatives. The structures of cyclic products were evaluated via 1H and 13C NMR, HRMS, elemental analysis and X-ray crystallography. The research was aimed to study the effect of substituents in stilbene derivatives of thiophene as well as position of styryl fragment in thiophene nucleus on the occurring of photocyclization reaction.

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Publication details

The article was received on 10 Jul 2019, accepted on 07 Oct 2019 and first published on 08 Oct 2019


Article type: Paper
DOI: 10.1039/C9PP00289H
Photochem. Photobiol. Sci., 2019, Accepted Manuscript

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    Synthesis of the fused heterocyclic systems via Mallory photoreaction of arylthienylethenes

    N. V. Dyachenko , A. V. Khoroshutin, Y. Sotnikova, V. A. Karnoukhova, S. Tokarev, A. V. Anisimov, Y. V. Fedorov and O. Fedorova, Photochem. Photobiol. Sci., 2019, Accepted Manuscript , DOI: 10.1039/C9PP00289H

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