Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/5821
Título: Catalytic activity of a benzoyl hydrazone based dimeric dicopper(II) complex in catechol and alcohol oxidation reactions
Autor: Anbu, Sellamuthu
Alegria, Elisabete Clara Bastos do Amaral
Pombeiro, Armando J. L.
Palavras-chave: Hydrazone
Dimeric dicopper(II) complex
Catechol
Alcohol oxidation
Solvent free catalysis
Data: 24-Mai-2015
Editora: Elsevier Science SA
Citação: ANBU, Sellamuthu; ALEGRIA, Elisabete C.B.A.; POMBEIRO, Armando J.L.; - Catalytic activity of a benzoyl hydrazone based dimeric dicopper(II) complex in catechol and alcohol oxidation reactions. Inorganica chimica acta. ISSN. 0020-1693. Vol. 431, (2015), 139-144
Resumo: The benzoyl hydrazone based dimeric dicopper(II) complex [Cu2(R)(CH3O)(NO3)]2(CH3O)2 (R-Cu2+), recently reported by us, catalyzes the aerobic oxidation of catechols (catechol (S1), 3,5- itertiarybutylcatechol (S2) and 3-nitrocatechol (S3)) to the corresponding quinones (catecholase like activity), as shown by UV–Vis absorption spectroscopy in methanol/HEPES buffer (pH 8.2) medium at 25 C. The highest activity is observed for the substituted catechol (S2) with the electron donor tertiary butyl group, resulting in a turnover frequency (TOF) value of 1.13 103 h1. The complex R-Cu2+ also exhibits a good catalytic activity in the oxidation (without added solvent) of 1-phenylethanol to acetophenone by But OOH under low power (10 W) microwave (MW) irradiation. 2014 Elsevier B.V. All rights reserved.
Peer review: yes
URI: http://hdl.handle.net/10400.21/5821
DOI: 10.1016/j.ica.2014.11.038
ISSN: 0020-1693
1873-3255
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0020169314007415
Aparece nas colecções:ISEL - Eng. Quim. Biol. - Artigos



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