Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/11806
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dc.contributor.authorGlišić, Biljana-
dc.contributor.authorHoffmann, Marcin-
dc.contributor.authorWarżajtis, Beata-
dc.contributor.authorGencic M.-
dc.contributor.authorBlagojevic, Polina-
dc.contributor.authorRadulovic, Niko-
dc.contributor.authorRychlewska, Urszula-
dc.contributor.authorDjuran, Miloš-
dc.date.accessioned2021-04-20T19:16:35Z-
dc.date.available2021-04-20T19:16:35Z-
dc.date.issued2016-
dc.identifier.issn0277-5387-
dc.identifier.urihttps://scidar.kg.ac.rs/handle/123456789/11806-
dc.description.abstract© 2015 Elsevier Ltd. All rights reserved. Reported are the synthesis, spectral and structural characteristics of new quinoxaline-related regioisomeric ligands L1-L4 (1,x,11,11-tetramethyl-1,2,3,4-tetrahydro-1,4-methanophenazine, x = 7, 8, 9 and 6, respectively) and their mononuclear Au(III) complexes (1-4). Fusion of the camphor moiety to the quinoxaline core made two N-atoms of quinoxaline nonequivalent while the introduction of a methyl-substituent at positions 6-9 enabled a tuning of coordination properties of L1-L4. Gold(III) complexes 1-4 and ligands L1-L4 have been studied in detailed by 1D and 2D NMR and the structures of 1-4 have been determined by X-ray crystallography. The results of these analyses revealed a regiospecific coordination of Au(III) to the sterically less hindered N-5 atom (spatially close to the non-substituted bridgehead carbon) of L1-L3, and to N-10 (spatially close to the methyl-substituted bridgehead carbon) of L4. The results of DFT calculations shed light on disparate coordination modes of L1-L4 toward the AuCl3 fragment and explain formation of single coordination products in high yield.-
dc.rightsrestrictedAccess-
dc.sourcePolyhedron-
dc.titleSelectivity of the complexation reactions of four regioisomeric methylcamphorquinoxaline ligands with gold(III): X-ray, NMR and DFT investigations-
dc.typearticle-
dc.identifier.doi10.1016/j.poly.2015.12.009-
dc.identifier.scopus2-s2.0-84953410873-
Appears in Collections:Faculty of Science, Kragujevac

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