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Article: Syntheses, structures and electrochemical properties of single and double helical inorganic complexes containing new polypyridine ligands

TitleSyntheses, structures and electrochemical properties of single and double helical inorganic complexes containing new polypyridine ligands
Authors
Issue Date1996
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton
Citation
Journal Of The Chemical Society - Dalton Transactions, 1996 n. 9, p. 1829-1834 How to Cite?
AbstractNew polypyridines [1,3-bis(2,2′:6′,2″-terpyridin-6-yl)benzene L1 and 1,3-bis[4-(4-tert-butylphenyl)-2,2′:6′,2″-terpyridin-6-yl) benzene] L2 were prepared. Their reactions with copper(II) acetate and silver(I) acetate gave [Cu2L1 2]4+, [Cu2L2 2]4+, [Ag2L1 2]2+ and [Ag2L2 2]2+ while [Ru2L2(terpy)2]4+ was obtained from [Ru(terpy)Cl3] (terpy = 2,2′:6′,2″-terpyridine) with L2. The complexes [Cu2L2 2][PF6] 4·6MeCN and [Ag2L2 2][PF6]·Me 2CO have been established by X-ray crystal analyses to have double helical structures. Electrospray mass spectrometry showed that the double helical [Cu2L2 2]4+ and [Ag2L1 2]2+ complexes and the single helical [Ru2L2(terpy)2]4+ complex are the only species present in solutions. All five complexes undergo reversible oxidations or reductions. Interestingly, the electrochemical data indicate substantial electronic coupling within the bimetallic double helical [M2L2]3+ (M = Cu or Ag, L = L1 and L2) but not the single helical [Ru2L2(terpy)2]4+ systems.
Persistent Identifierhttp://hdl.handle.net/10722/69914
ISSN
1999 Impact Factor: 2.31
References

 

DC FieldValueLanguage
dc.contributor.authorHo, PKKen_HK
dc.contributor.authorPeng, SMen_HK
dc.contributor.authorWong, KYen_HK
dc.contributor.authorChe, CMen_HK
dc.date.accessioned2010-09-06T06:17:59Z-
dc.date.available2010-09-06T06:17:59Z-
dc.date.issued1996en_HK
dc.identifier.citationJournal Of The Chemical Society - Dalton Transactions, 1996 n. 9, p. 1829-1834en_HK
dc.identifier.issn0300-9246en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69914-
dc.description.abstractNew polypyridines [1,3-bis(2,2′:6′,2″-terpyridin-6-yl)benzene L1 and 1,3-bis[4-(4-tert-butylphenyl)-2,2′:6′,2″-terpyridin-6-yl) benzene] L2 were prepared. Their reactions with copper(II) acetate and silver(I) acetate gave [Cu2L1 2]4+, [Cu2L2 2]4+, [Ag2L1 2]2+ and [Ag2L2 2]2+ while [Ru2L2(terpy)2]4+ was obtained from [Ru(terpy)Cl3] (terpy = 2,2′:6′,2″-terpyridine) with L2. The complexes [Cu2L2 2][PF6] 4·6MeCN and [Ag2L2 2][PF6]·Me 2CO have been established by X-ray crystal analyses to have double helical structures. Electrospray mass spectrometry showed that the double helical [Cu2L2 2]4+ and [Ag2L1 2]2+ complexes and the single helical [Ru2L2(terpy)2]4+ complex are the only species present in solutions. All five complexes undergo reversible oxidations or reductions. Interestingly, the electrochemical data indicate substantial electronic coupling within the bimetallic double helical [M2L2]3+ (M = Cu or Ag, L = L1 and L2) but not the single helical [Ru2L2(terpy)2]4+ systems.en_HK
dc.languageengen_HK
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/daltonen_HK
dc.relation.ispartofJournal of the Chemical Society - Dalton Transactionsen_HK
dc.titleSyntheses, structures and electrochemical properties of single and double helical inorganic complexes containing new polypyridine ligandsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1472-7773&volume=&spage=1829&epage=1834&date=1996&atitle=Syntheses,+structures+and+electrochemical+properties+of+single+and+double+helical+inorganic+complexes+containing+new+polypyridine+ligandsen_HK
dc.identifier.emailChe, CM:cmche@hku.hken_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-33748508222en_HK
dc.identifier.hkuros21915en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748508222&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.issue9en_HK
dc.identifier.spage1829en_HK
dc.identifier.epage1834en_HK
dc.identifier.scopusauthoridHo, PKK=14521180700en_HK
dc.identifier.scopusauthoridPeng, SM=35464852200en_HK
dc.identifier.scopusauthoridWong, KY=7404760030en_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK

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