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Bis-(µ-saccharide-C-2-oxo) dinuclear Cu(II) complexes of 4,6-O-butylidene/ethylidene-N-(a-hydroxynaphthylidene/o-hydroxybenzylidene/5-bromo-o-hydroxybenzylidene)-B-D-glucopyranosylamine: structural aspects and data correlations

hal.structure.identifierBioinorganic Laboratory, Department of Chemistry
dc.contributor.authorRAJSEKHAR, Gudneppanavar
hal.structure.identifierBioinorganic Laboratory, Department of Chemistry
dc.contributor.authorSAH, Ajay K.
hal.structure.identifierBioinorganic Laboratory, Department of Chemistry
dc.contributor.authorRAO, Chebrolu P.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUIONNEAU, Philippe
hal.structure.identifierSolid State and Structural Chemistry Unit
dc.contributor.authorBHARATHY, Muktha
hal.structure.identifierSolid State and Structural Chemistry Unit
dc.contributor.authorGURU ROW, T. N.
dc.date.issued2003
dc.identifier.issn1477-9226
dc.description.abstractEnA total of five dinuclear copper complexes were synthesized using 4,6-O-butylidene/ethylidene-N-(a-hydroxynaphthylidene/o-hydroxybenzylidene/5-bromo-o-hydroxybenzylidene)-B-D-glucopyranosylamine. . Upon recrystallisation from different solvents, viz., dmso/MeOH/pyridine, seven different dinuclear copper complexes were generated, wherein the geometry around one or both of the copper centers changes from square planar to square pyramidal due to the binding of solvent molecule as the fifth ligand. The ligands and their complexes were characterized by elemental analysis, 1H and 13C NMR, FT-IR, FABMS, UV-Vis, optical rotation, CD and magnetic susceptibility measurements. The 3D structures of all the seven complexes were established by single crystal XRD. All the complexes are neutral and dinuclear with the metal to the glycosylamine ratio being 1 1. Each glycosylamine acts as tridentate with di-negative charge and bridges between the two copper centers through the C-2-oxo group of the saccharide part and further the coupling between the copper centers is antiferromagnetic. At least four different types of Cu2O22+ core structures were identified depending upon the presence or absence of a fifth ligand at the Cu(II) center...
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.subject.enTransition metal complexes
dc.subject.enCrystal structure
dc.subject.enHydrogen bond
dc.subject.enMolecular structure
dc.subject.enCarbohydrates
dc.subject.enCopper butylidene ethylidene hydroxynaphthylidene hydroxybenzylidene glycosylamine
dc.title.enBis-(µ-saccharide-C-2-oxo) dinuclear Cu(II) complexes of 4,6-O-butylidene/ethylidene-N-(a-hydroxynaphthylidene/o-hydroxybenzylidene/5-bromo-o-hydroxybenzylidene)-B-D-glucopyranosylamine: structural aspects and data correlations
dc.typeArticle de revue
dc.identifier.doi10.1039/b303729k
dc.subject.halChimie/Matériaux
bordeaux.journalDalton Transactions
bordeaux.page3126-3135
bordeaux.issue15
bordeaux.peerReviewedoui
hal.identifierhal-00182720
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00182720v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Dalton%20Transactions&rft.date=2003&rft.issue=15&rft.spage=3126-3135&rft.epage=3126-3135&rft.eissn=1477-9226&rft.issn=1477-9226&rft.au=RAJSEKHAR,%20Gudneppanavar&SAH,%20Ajay%20K.&RAO,%20Chebrolu%20P.&GUIONNEAU,%20Philippe&BHARATHY,%20Muktha&rft.genre=article


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