The Chemistry of Polynuclear Ruthenium Carbonyl Clusters Containing Functionalised Alkyne Ligands PDF Download
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Author: 劉思慧
Publisher: Open Dissertation Press
ISBN: 9781374781559
Category :
Languages : en
Pages :
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This dissertation, "The Chemistry of Polynuclear Ruthenium Carbonyl Clusters Containing Functionalised Alkyne Ligands" by 劉思慧, Sze-wai, Cindy, Lau, 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_b3123878 Subjects: Ruthenium compounds - Synthesis Carbonyl compounds - Synthesis Ligands
Author: 劉思慧
Publisher: Open Dissertation Press
ISBN: 9781374781559
Category :
Languages : en
Pages :
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Book Description
This dissertation, "The Chemistry of Polynuclear Ruthenium Carbonyl Clusters Containing Functionalised Alkyne Ligands" by 劉思慧, Sze-wai, Cindy, Lau, 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_b3123878 Subjects: Ruthenium compounds - Synthesis Carbonyl compounds - Synthesis Ligands
Author: Sze-wai Lau (Cindy)
Publisher:
ISBN:
Category : Carbonyl compounds
Languages : en
Pages : 486
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Author: 李家康
Publisher: Open Dissertation Press
ISBN: 9781374698192
Category :
Languages : en
Pages :
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This dissertation, "The Chemistry of Mononuclear and Polynuclear Ruthenium Carbonyl Complexes Containing Nitrene and Related Ligands" by 李家康, Ka-hong, Lee, 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_b4257468 Subjects: Ruthenium compounds - Analysis Carbonyl compounds - Analysis Nitrenes Ligands
Author: Ka-hong Lee
Publisher:
ISBN:
Category : Carbonyl compounds
Languages : en
Pages : 642
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Author: 何毅雯
Publisher:
ISBN: 9781374791145
Category :
Languages : en
Pages :
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Author: Justin Mark Matters
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Ngai-man Ho (Emmie)
Publisher:
ISBN:
Category : Ligands
Languages : en
Pages : 562
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Author: David Peter Klein
Publisher:
ISBN:
Category :
Languages : en
Pages : 194
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This dissertation describes three investigations of the dinuclear ruthenium complex, [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)4: (1) its use as a catalyst for the hydroamination of alkynes by a new mechanism, (2) its reactions with H2 to give new ruthenium clusters containing bridging hydride ligands, and (3) the determination of thermodynamic and kinetic acidities of two related complexes [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)3[P(OR)3]HBF4− (R= Me, Ph). A fundamentally new mechanism for alkyne hydroamination catalyzed by the ruthenium complex, [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)3(C2H4)H+BF4−, has been proposed. Many of the intermediates in the catalytic cycle have been isolated and/or characterized spectroscopically and found to react according to the proposed mechanism. The catalyst activity is terminated as a result of the isomerization of a bridging alkyne ligand in a key intermediate in the catalytic cycle. The butterfly cluster, [([eta]5-C5H3)2(SiMe2)2]2Ru4(CO)3H4, and the square planar cluster, [([eta]5-C5H3)2(SiMe2)2]2Ru4(CO)4H4, have been isolated from the photochemical reaction of H2 with the doubly-linked dicyclopentadienyl complex, [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)4, in benzene. Wavelength-dependent photolysis studies suggest that the first step in the reaction of [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)4 with H2 involves metal-metal bond cleavage. The reaction of the protonated phosphite complexes, [([eta]5-C5H3)2(SiMe2)2]Ru2(CO)3[P(OR)3]H+BF4− (R= Me, Ph), with tertiary amines (DABCO, 4-methylmorpholine, NEt3, N(n-Bu)3) results in clean deprotonation of the metal-metal bond by the amine. Equilibrium measurements show that the P(OPh)3 complex is more acidic than the P(OMe)3 complex. The rates of deprotonation of the phosphite complexes have been determined and follow the rate law: Rate = k1[complex] + k2[amine][complex]. Comparisons of the k2 rate constants reveal that the reactions are much more sensitive to the steric properties of the amine and metal complex than to electronic factors.
Author: 李兆銘
Publisher: Open Dissertation Press
ISBN: 9781374810983
Category :
Languages : en
Pages :
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This dissertation, "The Chemistry of Triosmium Carbonyl Clusters Containing Oxygen and Sulphur Donor Ligands" by 李兆銘, Siu-ming, Lee, 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_b4389375 Subjects: Carbonyl compounds Ligands
Author: Marie Paz Cifuentes
Publisher:
ISBN:
Category : Ruthenium compounds
Languages : en
Pages : 560
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