{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,14]],"date-time":"2025-10-14T00:30:39Z","timestamp":1760401839826,"version":"build-2065373602"},"reference-count":41,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2006,8,24]],"date-time":"2006-08-24T00:00:00Z","timestamp":1156377600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Eur J Inorg Chem"],"published-print":{"date-parts":[[2006,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The reduced Schiff bases of salicylaldehyde [and <jats:italic>o<\/jats:italic>\u2010vanillin (<jats:italic>o<\/jats:italic>\u2010van)] with <jats:sc>D<\/jats:sc>,<jats:sc>L<\/jats:sc>\u2010 and <jats:sc>L<\/jats:sc>\u2010diaminopropionic acid (DPA), designated by salDPA, and <jats:sc>L<\/jats:sc>\u20102,4\u2010diaminopentanoic acid [ornithine (Orn)], designated by salOrn, as well as the V<jats:sup>IV<\/jats:sup>O<jats:sup>2+<\/jats:sup> and V<jats:sup>V<\/jats:sup>O<jats:sub>2<\/jats:sub><jats:sup>+<\/jats:sup> complexes of salDPA were prepared. The compounds were characterised in the solid state and in solution. The structure of H<jats:sub>4<\/jats:sub>salDPA<jats:sup>+<\/jats:sup>Cl<jats:sup>\u2013<\/jats:sup> was determined by X\u2010ray diffraction. Complexation of V<jats:sup>IV<\/jats:sup>O<jats:sup>2+<\/jats:sup> and V<jats:sup>V<\/jats:sup>O<jats:sub>2<\/jats:sub><jats:sup>+<\/jats:sup> with salDPA and salOrn (only the V<jats:sup>IV<\/jats:sup>O system) in aqueous solution was studied by potentiometry, UV\/Visible spectroscopy and circular dichroism, as well as by EPR spectroscopy for the V<jats:sup>IV<\/jats:sup>O\u2013salDPA system and by <jats:sup>1<\/jats:sup>H\u2010 and <jats:sup>51<\/jats:sup>V NMR spectroscopy for the V<jats:sup>V<\/jats:sup>O<jats:sub>2<\/jats:sub>\u2013salDPA system. Stoichiometries and complex formation constants were determined by potentiometry at 25 \u00b0C and <jats:italic>I<\/jats:italic> = 0.2 <jats:sc>M<\/jats:sc> KCl. Practically only 1:1 complexes were formed in both systems with composition (VO)LH<jats:sub>2<\/jats:sub> and(VO)L in the V<jats:sup>IV<\/jats:sup>O\u2013salDPA system, and with composition(VO<jats:sub>2<\/jats:sub>)LH and (VO<jats:sub>2<\/jats:sub>)L in the V<jats:sup>V<\/jats:sup>O<jats:sub>2<\/jats:sub>\u2013salDPA system. Spectroscopic data provided information about the most probable binding modes of each stoichiometry. (\u00a9 Wiley\u2010VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2006)<\/jats:p>","DOI":"10.1002\/ejic.200600309","type":"journal-article","created":{"date-parts":[[2006,8,25]],"date-time":"2006-08-25T19:52:48Z","timestamp":1156535568000},"page":"3595-3606","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Vanadium (IV and V) Complexes of Reduced Schiff Bases Derived from the Reaction of Aromatic <i>o<\/i>\u2010Hydroxyaldehydes and Diamines Containing Carboxyl Groups"],"prefix":"10.1002","volume":"2006","author":[{"given":"Jo\u00e3o","family":"Costa Pessoa","sequence":"first","affiliation":[]},{"given":"Susana","family":"Marc\u00e3o","sequence":"additional","affiliation":[]},{"given":"Isabel","family":"Correia","sequence":"additional","affiliation":[]},{"given":"Gisela","family":"Gon\u00e7alves","sequence":"additional","affiliation":[]},{"given":"Agnes","family":"D\u00f6rnyei","sequence":"additional","affiliation":[]},{"given":"Tam\u00e1s","family":"Kiss","sequence":"additional","affiliation":[]},{"given":"Tam\u00e1s","family":"Jakusch","sequence":"additional","affiliation":[]},{"given":"Isabel","family":"Tomaz","sequence":"additional","affiliation":[]},{"given":"M. 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