%0 Journal Article %T Synthesis, Structure, Physicochemical Properties and Catecholase-like Activity of a New Dicopper(II) Complex %A Neves %A Ademir %A Rossi %A Liane M. %A Bortoluzzi %A Adailton J. %A Mangrich %A Ant£¿nio S. %A Haase %A Wolfgang %A Werner %A R¨¹diger %J Journal of the Brazilian Chemical Society %D 2001 %I Sociedade Brasileira de Qu¨ªmica, SBQ %R 10.1590/S0103-50532001000600010 %X the synthesis, characterization and catecholase activity studies of the complex [cu2(h2bbppnol)(m-oac)(m-clo 4)]clo4¡¤h2o¡¤etoac containing the dinucleating ligand n,n'-2-hydroxybenzyl-n,n' -2-pyridylmethyl-2-hydroxypropane-1,3-diamine (h3bbppnol) are presented here. the complex was characterized by ir, electronic and epr spectroscopies, cyclic voltammetry, magnetic susceptibility measurements and x-ray crystallography. the catecholase-like activity of the complex was determined spectrophotometrically by monitoring the oxidation of 3,5-di-tert-butylcatechol to the corresponding o-benzoquinone in o2-saturated methanol/aqueous buffer (ph 8) mixtures at 25oc. the complex was able to oxidize the model substrate with a turnover number of 0.0057 s-1. %K copper(ii) %K crystal structure %K catecholase activity. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-50532001000600010&lng=en&nrm=iso&tlng=en