Carbon nitride assisted chemoselective C-H bond photo-oxidation of alkylphenolethoxylates in water medium

resumo

The unprecedented ability of g-C3N4 to chemoselectively photo-oxidise the methyl group of 2-(4-methylphenoxy) ethanol instead of the easily oxidised oxyethanol fragment has been demonstrated. When g-C3N4 is treated with H2O2, its selectivity enhances due to the blocking of surface sites responsible for the adsorption and the subsequent oxidation of the oxyethanol substituent.

palavras-chave

SELECTIVE PHOTOCATALYTIC OXIDATION; AROMATIC METHYL-GROUPS; METAL-FREE OXIDATION; VISIBLE-LIGHT; ALDEHYDES; ALCOHOLS; TIO2; ACTIVATION; G-C3N4; ORGANOCATALYST

categoria

Chemistry; Science & Technology - Other Topics

autores

Ilkaeva, M; Krivtsov, I; Bartashevich, E; Khainakov, SA; Garcia, JR; Diaz, E; Ordonez, S

nossos autores

agradecimentos

This work was financially supported by Spanish MINECO (MAT2013-40950-R, CTQ2014-52956-C3-1-R and MAT2016-78155C2-1-R), Gobierno del Principado de Asturias (GRUPIN14-060, GRUPIN14-078), Severo Ochoa PhD grant BP-14-029 to MI, and FEDER. EB is grateful to the Ministry of Education and Science of the Russian Federation (grant 4.1157.2017/PP) for financing the computational studies. IK is thankful to the Ministry of Education and Science of the Russian Federation (grant no. 4.9722.2017/8.9).

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