58426 20210121114537.0 doi 10.1002/chem.201404915 sideral 89636 ART-2015-89636 eng (orcid)0000-0003-1812-3175 Fuertes, S. Stepwise strategy to cyclometallated PtII complexes with N-heterocyclic carbene ligands: A luminescence study on new ß-diketonate complexes 2015 Access copy available to the general public Unrestricted The imidazolium salt 3-methyl-1-(naphthalen-2-yl)-1H-imidazolium iodide (2) has been treated with silver(I) oxide and [{Pt(mu-Cl)(eta(3)-2-Me-C3H4)}(2)] (eta(3)-2-Me-C3H4 = eta(3)-2-methylallyl) to give the intermediate N-heterocyclic carbene complex [PtCl(eta(3)-2-Me-C3H4)(H (CC) over cap*-kappa C*)] (3) (H (CC) over cap*-kappa C* = 3-methyl-1-(naphthalen-2-yl)-1H-imidazol-2-ylidene). Compound 3 undergoes regiospecific cyclometallation at the naphthyl ring of the NHC ligand to give the five-membered platinacycle compound [{Pt(mu-Cl)((CC) over cap*)}(2)] (4). Chlorine abstraction from 4 with beta-diketonate Tl derivatives rendered the corresponding neutral compounds [Pt((CC) over cap*)(L-O,O')] {L = acac (HL = acetylacetone) 5, phacac (HL = 1,3-diphenyl-1,3-propanedione) 6, hfacac (HL = hexafluoroacetylacetone) 7}. All of the compounds (3-7) were fully characterized by standard spectroscopic and analytical methods. X-ray diffraction studies were performed on 5-7, revealing short Pt-Pt and pi-pi interactions in the solid-state structure. The influence of the R-substituents of the beta-diketonate ligand on the photophysical properties and the use of the most efficient emitter, 5, as phosphor converter has also been studied. info:eu-repo/grantAgreement/ES/MINECO/TEC2012-38901-C02-01 info:eu-repo/grantAgreement/EC/FP7/246558/EU/ARAID-European UnionAttraction of Researchers and Fellowship Program/ARAIDEU info:eu-repo/grantAgreement/ES/MICINN/CTQ2008-06669-C02-01-BQU info:eu-repo/semantics/openAccess by-nc http://creativecommons.org/licenses/by-nc/3.0/es/ 5.771 2015 CHEMISTRY, MULTIDISCIPLINARY 24 / 163 = 0.147 2015 Q1 T1 2.461 2015 Chemistry (miscellaneous) 2015 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion García, H. Perálvarez, M. Hertog, W. Carreras, J. (orcid)0000-0002-0257-0483 Sicilia, V. Universidad de Zaragoza 2010 760 Universidad de Zaragoza Dpto. Química Inorgánica Área Química Inorgánica 21, 4 (2015), 1620-1631 Chemistry (Weinh.) Chemistry - A European Journal 0947-6539 6450277 http://zaguan.unizar.es/record/58426/files/texto_completo.pdf Postprint 76454 http://zaguan.unizar.es/record/58426/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:58426 articulos driver 2021-01-21-11:14:09 ARTICLE