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Article: Structural and mechanistic studies of co-ordination compounds. Part 28. Some octahedral ruthenium complexes of 5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradeca-1,3,8,10-tetraene produced by oxidative dehydrogenation reactions
Title | Structural and mechanistic studies of co-ordination compounds. Part 28. Some octahedral ruthenium complexes of 5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradeca-1,3,8,10-tetraene produced by oxidative dehydrogenation reactions |
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Authors | |
Issue Date | 1981 |
Publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton |
Citation | Journal Of The Chemical Society, Dalton Transactions, 1981 n. 4, p. 1019-1023 How to Cite? |
Abstract | Low-spin ruthenium(III) complexes, trans-[RuLCl2]+, where L represents C-meso- and C-rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradecane (L1 and L2 respectively) have been found to undergo an eight-electron aerial oxidative dehydrogenation in ethanolic solution to the corresponding dichloro-complexes with unsaturated macrocycles L3 and L4, where L3 and L4 represent C-meso- and C-rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradeca-1,3,8,10- tetraene respectively. A series of dianiono-substituted complexes of the type trans-[RuL3X2]n+ (X = Br, n = 1; and X = I; NCS, or NO2, n = 0) have also been prepared. All these complexes have been characterized by i.r. and n.m.r. spectroscopy to contain two pairs of α-di-imine units in the two five-membered chelate rings of the macrocyclic amine ligands. A mechanism for the oxidative dehydrogenation reaction is suggested. The electronic absorption spectra of these complexes are discussed. |
Persistent Identifier | http://hdl.handle.net/10722/168266 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Poon, CK | en_US |
dc.contributor.author | Che, C | en_US |
dc.date.accessioned | 2012-10-08T03:16:49Z | - |
dc.date.available | 2012-10-08T03:16:49Z | - |
dc.date.issued | 1981 | en_US |
dc.identifier.citation | Journal Of The Chemical Society, Dalton Transactions, 1981 n. 4, p. 1019-1023 | en_US |
dc.identifier.issn | 1472-7773 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168266 | - |
dc.description.abstract | Low-spin ruthenium(III) complexes, trans-[RuLCl2]+, where L represents C-meso- and C-rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradecane (L1 and L2 respectively) have been found to undergo an eight-electron aerial oxidative dehydrogenation in ethanolic solution to the corresponding dichloro-complexes with unsaturated macrocycles L3 and L4, where L3 and L4 represent C-meso- and C-rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradeca-1,3,8,10- tetraene respectively. A series of dianiono-substituted complexes of the type trans-[RuL3X2]n+ (X = Br, n = 1; and X = I; NCS, or NO2, n = 0) have also been prepared. All these complexes have been characterized by i.r. and n.m.r. spectroscopy to contain two pairs of α-di-imine units in the two five-membered chelate rings of the macrocyclic amine ligands. A mechanism for the oxidative dehydrogenation reaction is suggested. The electronic absorption spectra of these complexes are discussed. | en_US |
dc.language | eng | en_US |
dc.publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton | en_US |
dc.relation.ispartof | Journal of the Chemical Society, Dalton Transactions | en_US |
dc.title | Structural and mechanistic studies of co-ordination compounds. Part 28. Some octahedral ruthenium complexes of 5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradeca-1,3,8,10-tetraene produced by oxidative dehydrogenation reactions | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, C:cmche@hku.hk | en_US |
dc.identifier.authority | Che, C=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1039/DT9810001019 | en_US |
dc.identifier.scopus | eid_2-s2.0-37049110726 | en_US |
dc.identifier.issue | 4 | en_US |
dc.identifier.spage | 1019 | en_US |
dc.identifier.epage | 1023 | en_US |
dc.identifier.isi | WOS:A1981LK45300021 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Poon, CK=7202673504 | en_US |
dc.identifier.scopusauthorid | Che, C=7102442791 | en_US |
dc.identifier.issnl | 1364-5447 | - |