Synthesis of 2-(Arylselanyl)benzo[b]chalcogenophenes via Intramolecular Cyclization of Vinyl Selenides

Synthesis of 2-(Arylselanyl)benzo[b]chalcogenophenes via Intramolecular Cyclization of Vinyl Selenides

Abstract An efficient protocol to access 2-arylselanylbenzo[ b ]chalcogenophene derivatives through the Cu(I)-catalyzed annulation of vinyl selenides is described. The key vinyl selenides were easily prepared from properly functionalized 1,1-dibromostyrenes and the method allowed the synthesis of 2-...

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Veröffentlicht in:Synthesis (Stuttgart) 2019-01, Vol.51 (2), p.578-586
Hauptverfasser: Stach, Guilherme, Peglow, Thiago J., Roehrs, Juliano A., Penteado, Filipe, Barcellos, Thiago, Jacob, Raquel G., Lenardão, Eder J., Perin, Gelson
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Sprache:eng
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Zusammenfassung:Abstract An efficient protocol to access 2-arylselanylbenzo[ b ]chalcogenophene derivatives through the Cu(I)-catalyzed annulation of vinyl selenides is described. The key vinyl selenides were easily prepared from properly functionalized 1,1-dibromostyrenes and the method allowed the synthesis of 2-arylselanylfurans, -thiophenes, and -selenophenes in moderate to excellent yields.
ISSN:0039-7881
1437-210X
DOI:10.1055/s-0037-1610656