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dc.contributor.authorRodríguez-Hermida, Sabina-
dc.contributor.authorVázquez-López, Ezequiel M.-
dc.identifierdoi: 10.1002/chem.201405962-
dc.identifierissn: 0947-6539-
dc.identifiere-issn: 1521-3765-
dc.identifier.citationChemistry - A European Journal 21(17): 6605-6616 (2015)-
dc.description.abstractNine new coordination compounds have been synthesized by the reaction of salts of bivalent metal ions (a=Zn(II) , b=Cu(II) , c=Ni(II) , d=Co(II) ) with the bis(benzoylhydrazone) derivative of 4,6-diacetylresorcinol (H4 L). Three kinds of complexes have been obtained: homodinuclear compounds [M2 (H2 L)2 ]⋅nH2 O (1 a, 1 b, 1 c, and 1 d), homotetranuclear compounds [M4 (L)2 ]⋅n(solv) (2 a and 2 c), and heterotetranuclear compounds [Zn2 M2 (L)2 ]⋅n(solv) (2 ab, 2 ac, and 2 ad). The structures of the free ligand H4 L⋅2 DMSO and its complexes [Zn2 (H2 L)2 (DMSO)2 ] (1 a*), [Zn4 (L)2 (DMSO)6 ] (2 a*), and [Zn0.45 Cu3.55 (L)2 (DMSO)6 ]⋅2 DMSO (2 ab*) were elucidated by single-crystal X-ray diffraction. The ligand shows luminescence properties and its fluorimetric behavior towards M(II) metals (M=Zn, Cu, Ni and Co) has been studied. Furthermore, the solid-state luminescence properties of the ligand and compounds have been determined at room temperature. (1) H NMR spectroscopic monitoring of the reaction of H4 L with Zn(II) showed the deprotonation sequence of the OH/NH groups upon metal coordination. Heteronuclear reactions have also been monitored by using ESI-MS and spectrofluorimetric techniques.-
dc.description.sponsorshipFinancial support from the Spanish Ministry of Education and Science (project CTQ2010–19386/BQU) is gratefully acknowledged. A. B. L. thanks the Xunta de Galicia for a postdoctoral contract under the “ÁngelesAlvariño” program. -
dc.publisherJohn Wiley & Sons-
dc.titleHomo- and heteronuclear compounds with a symmetrical bis-hydrazone ligand: synthesis, structural studies, and luminescent properties-
dc.description.versionPeer Reviewed-
dc.contributor.funderXunta de Galicia-
dc.contributor.funderMinisterio de Educación y Ciencia (España)-
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