The Synthesis and Characterization of Cobalt (III), Iron (II), and Iron (III) Catechol Complexes PDF Download
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Author: Peter A. Wicklund
Publisher:
ISBN:
Category : Cobalt
Languages : en
Pages : 196
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Author: Peter A. Wicklund
Publisher:
ISBN:
Category : Cobalt
Languages : en
Pages : 196
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Author: John Murray Rowland
Publisher:
ISBN:
Category : Complex compounds
Languages : en
Pages : 672
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Author: Tun Aung
Publisher:
ISBN:
Category : Cobalt compounds
Languages : en
Pages : 226
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Author: 陳彥彤
Publisher:
ISBN:
Category :
Languages : en
Pages : 135
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Author: D.H.R. Barton
Publisher: Springer Science & Business Media
ISBN: 1461530008
Category : Science
Languages : en
Pages : 503
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Book Description
This monograph consists of the proceedings of the Fifth International Symposium on the Activation of Dioxygen and Homogeneous Catalytic Oxidation, held in College Station, Texas, March 14-19, 1993. It contains an introductory chapter authored by Professors D. H. R. Barton and D. T. Sawyer, and twenty-nine chapters describing presentations by the plenary lecturers and invited speakers. One of the invited speakers, who could not submit a manuscript for reasons beyond his control, is represented by an abstract of his lecture. Also included are abstracts of forty-seven posters contributed by participants in the symposium. Readers who may wish to know more about the subjects presented in abstract form are invited to communicate directly with the authors of the abstracts. This is the fifth international symposium that has been held on this subject. The first was hosted by the CNRS, May 21-29, 1979, in Bendor, France (on the Island of Bandol). The second meeting was organized as a NATO workshop in Padova, Italy, June 24-27, 1984. This was followed by a meeting in Tsukuba, Japan, July 12-16, 1987. The fourth symposium was held at Balatonfured, Hungary, September 10-14, 1990. The sixth meeting is scheduled to take place in Delft, The Netherlands (late Spring, 1996); the organizer and host will be Professor R. A. Sheldon.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 756
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Joseph Michael Gregory
Publisher:
ISBN:
Category : Coordination compounds
Languages : en
Pages : 132
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Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 784
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Author: Hongmei Yuan
Publisher:
ISBN:
Category :
Languages : en
Pages : 183
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Book Description
"A cobalt analogue of Cp*Co(PMe3)Me(OTf) (Cp* = 1, 2, 3, 4, 5 - pentamethylcyclopenta-dienyl, OTf = OSO2CF3), in Chapter 2, was attempted to be synthesized and studied for electrophilic C-H bond activation. Three new cobalt complexes Cp*Co(PMe3)(Me)2, Cp*Co(PMe3)(OTf)2 and Cp*Co(PMe3)(Me)(I) were synthesized. The 1H NMR spectrum showed a new material formed after mixing Cp*Co(PMe3)(Me)2 and Cp*Co(PMe3)(OTf)2 in 1:1 ratio. In Chapter 3, five carboxylate ligated iridium complexes (dmPhebox)Ir(O2CR)2(H2O) (R = -CH3(known compound), -CH2CH3, -CMe3, - CH2C6H5, -CH=CMe2) were designed and synthesized to understand the carboxylate ligand effects on the reactivity of the complex for alkane dehydrogenation. Results from the kinetic study showed that different R groups of the carboxylate iridium complexes can affect the reactivity with octane in the ??H elimination step. The rate constants for octane formation with different carboxylate ligands follow the order R = -CH=CMe2 > -CMe3 > -CH2CH3 > -CH3 > -CH2C6H5. In contrast, there is no significant effect of carboxylate ligand on the rate of the C-H activation step at 160 ʻC. These experimental results support the findings in the previously reported density functional theory (DFT) study of the (dmPhebox)Ir complex in alkane C-H activation. In Chapter 4,5 and 6, hydrogen transformation during the dehydrogenation and hydrogenation of N-heterocycles with a cobalt pincer catalyst, hydrogenation of alkenes with Fe(II) precursors, and hydrogenation of alcohols and dehydrogenation of ketones with a Cp*Rh(III) catalyst were investigated. The results of the acceptorless, reversible dehydrogenation and hydrogenation of N-heterocycles suggests a bifunctional dehydrogenation pathway and a non-bifunctional hydrogenation mechanism. The iron catalysts described in Chapter 5 operate via a metal-ligand cooperative pathway via a stepwise hydride transfer and then proton transfer mechanism. The Cp*Rh(III) catalysts in Chapter 6 decompose upon heating to give nanoparticles."--Pages xi-xii.
