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Article: Stepwise assembly of linearly-aligned Ru-M-Ru (M = Pd, Pt) heterotrimetallic complexes with σ-4-ethynylpyridine spacer

TitleStepwise assembly of linearly-aligned Ru-M-Ru (M = Pd, Pt) heterotrimetallic complexes with σ-4-ethynylpyridine spacer
Authors
Issue Date2008
Citation
Dalton Transactions, 2008, n. 22, p. 2929-2936 How to Cite?
AbstractTwo heterotrinuclear oligomeric complexes [trans-RuCl(C≡ Cpy-4)(dppm)2]2[MCl2] (M = Pd 2; M = Pt 3) are prepared from the metalloligand trans-[RuCl(C≡ Cpy-4)(dppm)2] (dppm = Ph2PCH2PPh2, 1). The resultant linear alignment of the metals [Ru-M-Ru] is imposed by a combinative use of trans-directed spacers and planar metals with trans-juxtaposed donor sites. Ligand exchange of 1 with [Pd(CH3CN)4][PF 6]2 gives trans-[Ru(CH3CN)(C≡ Cpy-4)(dppm)2][PF6] (4). All complexes are characterized by single-crystal X-ray crystallography and solution spectroscopy. Acid-base titration on 1 suggested protonation of the pendant pyridyl. Complexes 2 and 3 also undergo protonation at the C≡C moiety under acid conditions. The inter-conversion of alkynyl and vinylidene functionality is described. The dual acid and base characters of 4 makes it a potential metalloligand towards basic and acidic fragments in multinuclear heterometallic assemblies. © The Royal Society of Chemistry 2008.
Persistent Identifierhttp://hdl.handle.net/10722/219571
ISSN
2015 Impact Factor: 4.177
2015 SCImago Journal Rankings: 1.404

 

DC FieldValueLanguage
dc.contributor.authorGe, Qingchun-
dc.contributor.authorHor, T. S Andy-
dc.date.accessioned2015-09-23T02:57:25Z-
dc.date.available2015-09-23T02:57:25Z-
dc.date.issued2008-
dc.identifier.citationDalton Transactions, 2008, n. 22, p. 2929-2936-
dc.identifier.issn1477-9226-
dc.identifier.urihttp://hdl.handle.net/10722/219571-
dc.description.abstractTwo heterotrinuclear oligomeric complexes [trans-RuCl(C≡ Cpy-4)(dppm)2]2[MCl2] (M = Pd 2; M = Pt 3) are prepared from the metalloligand trans-[RuCl(C≡ Cpy-4)(dppm)2] (dppm = Ph2PCH2PPh2, 1). The resultant linear alignment of the metals [Ru-M-Ru] is imposed by a combinative use of trans-directed spacers and planar metals with trans-juxtaposed donor sites. Ligand exchange of 1 with [Pd(CH3CN)4][PF 6]2 gives trans-[Ru(CH3CN)(C≡ Cpy-4)(dppm)2][PF6] (4). All complexes are characterized by single-crystal X-ray crystallography and solution spectroscopy. Acid-base titration on 1 suggested protonation of the pendant pyridyl. Complexes 2 and 3 also undergo protonation at the C≡C moiety under acid conditions. The inter-conversion of alkynyl and vinylidene functionality is described. The dual acid and base characters of 4 makes it a potential metalloligand towards basic and acidic fragments in multinuclear heterometallic assemblies. © The Royal Society of Chemistry 2008.-
dc.languageeng-
dc.relation.ispartofDalton Transactions-
dc.titleStepwise assembly of linearly-aligned Ru-M-Ru (M = Pd, Pt) heterotrimetallic complexes with σ-4-ethynylpyridine spacer-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1039/b719820e-
dc.identifier.pmid18493628-
dc.identifier.scopuseid_2-s2.0-43949109900-
dc.identifier.issue22-
dc.identifier.spage2929-
dc.identifier.epage2936-
dc.identifier.eissn1477-9234-

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