Issue 6, 2010
From the journal:

Dalton Transactions

Tetranuclear copper(ii)–Schiff-base complexes as active catalysts for oxidation of cyclohexane and toluene†

Partha Roy*a  and  Mario Manasserob  

* Corresponding authors

a Department of Chemistry, Jadavpur University, Jadavpur, Kolkata-700 032, India
E-mail: proy@chemistry.jdvu.ac.in, icroy@yahoo.com
Fax: +91-33-2414 6223
Tel: +91-33-2414 6666

b Dipartimento di Chimica Strutturale e Stereochimica Inorganica dell'Università di Milano, Via G. Venezian 21, Italy

Abstract

Three new Cu(II) complexes, [Cu4(O)(Ln)2(CH3COO)4] where HL1 = 4-methyl-2,6-bis(2-fluoroethyliminomethyl) phenol for complex 1, HL2 = 4-methyl-2,6-bis(2-chloroethyliminomethyl) phenol for complex 2·0.25CH3CN and HL3 = 4-methyl-2,6-bis(2-bromoethyliminomethyl) phenol for complex 3 have been synthesized and characterized by elemental analysis, FTIR, UV-vis spectroscopy, and electrospray ionization mass spectroscopy. The structure of complex 2·0.25CH3CN has also been confirmed by single crystal X-ray diffraction analysis. These complexes have been found to be active catalysts for the oxidation of cyclohexane and toluene in the presence of hydrogen peroxide as the oxidant under mild conditions. Cyclohexane is oxidized to yield cyclohexanol and cyclohexanone, whereas toluene is oxidized to benzyl alcohol and benzaldehyde.

Graphical abstract: Tetranuclear copper(ii)–Schiff-base complexes as active catalysts for oxidation of cyclohexane and toluene

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Article information

DOI
https://doi.org/10.1039/B914017D
Article type
Paper
Submitted
13 Jul 2009
Accepted
12 Nov 2009
First published
15 Dec 2009

Dalton Trans., 2010,39, 1539-1545

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Tetranuclear copper(II)–Schiff-base complexes as active catalysts for oxidation of cyclohexane and toluene

P. Roy and M. Manassero, Dalton Trans., 2010, 39, 1539 DOI: 10.1039/B914017D

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