Aspects of the Substitution Chemistry of Triosmium Clusters PDF Download
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Author: D. A. Pippard
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Author: D. A. Pippard
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Author: Chen-Hao Lin
Publisher:
ISBN:
Category : Carbonyl compounds
Languages : en
Pages : 57
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Author: S. W. Sankey
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Patricia Taiwo Irele
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: David R. Moore
Publisher:
ISBN:
Category : Organoosmium compounds
Languages : en
Pages : 126
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Author: Robert Edward Sommerhalter
Publisher:
ISBN:
Category : Metal clusters
Languages : en
Pages : 96
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With the goal of developing systematic syntheses of linked triosmium carbonyl clusters, we report the substitution reactions of the dibridged cluster Os3(CO)10(μ2-OEt)2 with the bifunctional ligand 1,5-pentanediol. Reaction of Os3(CO)10(μ2-OEt)2 with 1,5-pentanediol affords the cluster Os3(CO)10(μ2O(CH2)5OH)2 as the major product. Over extended reaction periods, quantitative conversion to the cluster H4Os4(CO)12 is observed. Linking of two triosmium carbonyl clusters via the 1,5-pentanediol bridging ligands has been achieved in the reaction of Os3(CO)10(μ2-O(CH2)5OH)2 with one molar equivalent of Os3(CO)10(μ2-OEt)2. A secondary product of this reaction has been characterized spectroscopically and is believed to be an intermediate in the formation of H4Os4(CO)12. A synthetic route to Os3(CO)10(μ2-OEt)2 via di-halogenated cluster intermediate Os3(CO)12X2 or Os3(CO)10(μ2-X)2 (X = Cl, Br, I) is also reported.
Author: 許國文
Publisher: Open Dissertation Press
ISBN: 9781374761230
Category :
Languages : en
Pages :
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This dissertation, "The Chemistry of Triosmium Nitrite Clusters" by 許國文, Kwok-man, Hui, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123708 Subjects: Nitrites Metal crystals Chemical reactions
Author: Alison Jane Mathews
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: D.F. Schriver
Publisher: Elsevier
ISBN: 008096396X
Category : Science
Languages : en
Pages : 1071
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The section devoted to iron in this volume reflects the tremendous progress in the area. Specifically cluster chemistry, ligand transformations and detailed structural results are more prominent in COMC II. The organic chemistry of ruthenium and osmium is an area which has burgeoned during the period since the publication of COMC. This is especially true for the cluster chemistry of these elements, which have provided most of the advances in this important field. Consequently, this volume will include an update (1981-1993) of the chemistry of mono- and bi-nuclear complexes of ruthenium and osmium, with a rather more extensive treatment of tri- and tetra-nuclear complexes. This is because many of the early results in ruthenium and osmium cluster chemistry described in COMC are now much better understood and can thus be placed in a more general context. In the case of complexes containing clusters with five or more metal atoms, the coverage is essentially complete, again because this chemistry has developed during the 1980s.
Author: University of Cambridge Board of Graduate Studies
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 256
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