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Abstract
In this paper, we report an eco-friendly approach for the C(sp2)–H bond selenylation of imidazopyridines and other N-heteroarenes as well as simple arenes at ambient temperature. This new protocol consists of the reaction between (N-hetero)-arenes and the diorganyl-diselenides and trichloroisocyanuric acid (TCCA)-ethanol reagent system. In a short reaction time, the desired selenylated products were obtained regioselectively in good yields, with tolerance for a wide range of functional groups.
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1 Universidade Federal de Santa Catarina–UFSC, Departamento de Química, Florianópolis, Brazil (GRID:grid.411237.2) (ISNI:0000 0001 2188 7235); Universidade Federal de Goiás–UFG, Instituto de Química, Goiânia, Brazil (GRID:grid.411195.9) (ISNI:0000 0001 2192 5801)
2 Universidade Federal de Goiás–UFG, Instituto de Química, Goiânia, Brazil (GRID:grid.411195.9) (ISNI:0000 0001 2192 5801)
3 Universidade Federal de Santa Catarina–UFSC, Departamento de Química, Florianópolis, Brazil (GRID:grid.411237.2) (ISNI:0000 0001 2188 7235)
4 Universidade Federal do Mato Grosso do Sul–UFMS, Instituto de Química, Campo Grande, Brazil (GRID:grid.412352.3) (ISNI:0000 0001 2163 5978)
5 Universidade Estadual do Centro-Oeste–UNICENTRO, Departamento de Química, Guarapuava, Brazil (GRID:grid.412329.f) (ISNI:0000 0001 1581 1066)
6 Universidade Federal de Santa Catarina–UFSC, Araranguá, Brazil (GRID:grid.411237.2) (ISNI:0000 0001 2188 7235)
7 Universidade Federal de Goiás–UFG, Instituto de Química, Goiânia, Brazil (GRID:grid.411195.9) (ISNI:0000 0001 2192 5801); Universidade Federal do Mato Grosso do Sul–UFMS, Instituto de Química, Campo Grande, Brazil (GRID:grid.412352.3) (ISNI:0000 0001 2163 5978)