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Article: Template Synthesis, Crystal Structure and Luminescent Properties of Neutral N4O3 Tripodal LnIIIL Complexes (LnIII = La3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+ or Lu3+; H3L = Tris{[3-(2-pyridyl)-5-tert-butyl-2-hydroxybenzylidene-2-imino]ethyl}amine)

TitleTemplate Synthesis, Crystal Structure and Luminescent Properties of Neutral N4O3 Tripodal LnIIIL Complexes (LnIII = La3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+ or Lu3+; H3L = Tris{[3-(2-pyridyl)-5-tert-butyl-2-hydroxybenzylidene-2-imino]ethyl}amine)
Authors
KeywordsComplex formation
Crystal structure
Drug synthesis
Encapsulation
Photoluminescence
Issue Date2004
PublisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.org
Citation
European Journal of Inorganic Chemistry, 2004, v. 2004 n. 4, p. 829-836 How to Cite?
AbstractIn the presence of Ln3+ (Ln = La, Eu, Gd, Tb, Dy, Ho, Er, Tm or Lu), tris(2-aminoethyl)amine condensed with three equivalents of 3-(2′-pyridyl)-5-tert-butyl-2-hydroxybenzaldehyde in methanol to give the neutral Schiff-base complex LnIIIL (Ln = La 1, Eu 2, Gd 3, Tb 4, Dy 5, Ho 6, Er 7, Tm 8 and Lu 9; H3L = tris{[3′-(2′′-pyridyl)-5′-tert-butyl-2′-hydroxybenzylidene-2-imino]ethyl}amine). The structures of compounds 4−7 were determined by X-ray crystallography. The crystal structure analyses revealed that the Schiff base behaves as a tri-deprotonated heptadentate ligand encapsulating the lanthanide metal ion within the N4O3 cavity, with all the pyridyl groups being pendant. Solution spectroscopic data suggest that the LnIIIL complexes remain intact in methanol and exist as nine-coordinate non-electrolytes with the lanthanide metal ions coordinated to the N4O3 cavity of the tripodal Schiff base and two solvent molecules. The solution photoluminescent properties of these lanthanide Schiff-base complexes were also examined. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
Persistent Identifierhttp://hdl.handle.net/10722/69319
ISSN
2015 Impact Factor: 2.686
2015 SCImago Journal Rankings: 1.018
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWong, WKen_HK
dc.contributor.authorLiang, Hen_HK
dc.contributor.authorGuo, Jen_HK
dc.contributor.authorWong, WYen_HK
dc.contributor.authorLo, WKen_HK
dc.contributor.authorLi, KFen_HK
dc.contributor.authorCheah, KWen_HK
dc.contributor.authorZhou, Zen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:12:34Z-
dc.date.available2010-09-06T06:12:34Z-
dc.date.issued2004en_HK
dc.identifier.citationEuropean Journal of Inorganic Chemistry, 2004, v. 2004 n. 4, p. 829-836en_HK
dc.identifier.issn1434-1948en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69319-
dc.description.abstractIn the presence of Ln3+ (Ln = La, Eu, Gd, Tb, Dy, Ho, Er, Tm or Lu), tris(2-aminoethyl)amine condensed with three equivalents of 3-(2′-pyridyl)-5-tert-butyl-2-hydroxybenzaldehyde in methanol to give the neutral Schiff-base complex LnIIIL (Ln = La 1, Eu 2, Gd 3, Tb 4, Dy 5, Ho 6, Er 7, Tm 8 and Lu 9; H3L = tris{[3′-(2′′-pyridyl)-5′-tert-butyl-2′-hydroxybenzylidene-2-imino]ethyl}amine). The structures of compounds 4−7 were determined by X-ray crystallography. The crystal structure analyses revealed that the Schiff base behaves as a tri-deprotonated heptadentate ligand encapsulating the lanthanide metal ion within the N4O3 cavity, with all the pyridyl groups being pendant. Solution spectroscopic data suggest that the LnIIIL complexes remain intact in methanol and exist as nine-coordinate non-electrolytes with the lanthanide metal ions coordinated to the N4O3 cavity of the tripodal Schiff base and two solvent molecules. The solution photoluminescent properties of these lanthanide Schiff-base complexes were also examined. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)-
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.orgen_HK
dc.relation.ispartofEuropean Journal of Inorganic Chemistryen_HK
dc.subjectComplex formation-
dc.subjectCrystal structure-
dc.subjectDrug synthesis-
dc.subjectEncapsulation-
dc.subjectPhotoluminescence-
dc.titleTemplate Synthesis, Crystal Structure and Luminescent Properties of Neutral N4O3 Tripodal LnIIIL Complexes (LnIII = La3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+ or Lu3+; H3L = Tris{[3-(2-pyridyl)-5-tert-butyl-2-hydroxybenzylidene-2-imino]ethyl}amine)en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1434-1948&volume=2004&spage=829&epage=836&date=2004&atitle=Template+synthesis,+crystal+structure+and+luminescent+properties+of+neutral+N4O3+tripodal+LnIIIL+complexes+(LnIII=La3+,Eu3+,Gd3+,Tb3+,Dy3+,Ho3+,Er3+,Tm3++or+Lu3+;H3L=Tris{[3%27-(2%27-pyridyl)-5%27-tert-~en_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.identifier.doi10.1002/ejic.200300353-
dc.identifier.scopuseid_2-s2.0-4544279126-
dc.identifier.hkuros91920en_HK
dc.identifier.volume2004-
dc.identifier.issue4-
dc.identifier.spage829-
dc.identifier.epage836-
dc.identifier.isiWOS:000189312100019-
dc.publisher.placeGermany-

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