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Synthesis, structure and oxygenation reactivity of transition metal catecholate complexes supported by tripodal tridentate ligands.

Cheng, Yat Ho. / Thesis submitted in: October 2007. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references. / Abstracts in English and Chinese. / Abstract --- p.i / 摘要 --- p.iii / Acknowledgment --- p.iv / Contents --- p.v / Abbreviations --- p.xi / Chapter Chapter I. --- Model Studies for Catechol Dioxygenases / Chapter I.1 --- General Background / Chapter I.2 --- Intradiol-Cleaving Catechol Dioxygenases --- p.2-4 / Chapter I.3 --- Extradiol-Cleaving Catechol Dioxygenases --- p.5-8 / Chapter I.4 --- Selectivity of Intra- versus Extradiol-Cleaving Pathways --- p.8-10 / Chapter I.5 --- Early Studies on Model Complexes for Catechol Dioxygenases --- p.10-16 / Chapter I.6 --- Spin Crossover Study of Model Complexes --- p.16-18 / Chapter I.7 --- Model complexes for the Extradiol-Cleaving Dioxygenases --- p.19-23 / Chapter I.8 --- Objectives of this Work --- p.23 / Chapter I.9 --- References for Chapter I --- p.24-31 / Chapter Chapter II. --- "Synthesis and Reactivity Studies of Model Complexes of Catechol Dioxygenases Supported by the anionic Hydrotris-3,5-dimethylpyrazolylborate Ligand" / Chapter II.1 --- Introduction --- p.32-33 / Chapter II.2 --- Result and Discussion --- p.34-60 / Chapter II.2.1 --- Synthesis of Iron(III) Catecholate Complexes --- p.34-37 / Chapter II.2.2 --- Molecular Structures --- p.38-45 / Chapter II.2.3 --- Electrochemical Studies --- p.46-48 / Chapter II.2.4 --- UV-Vis Spectroscopic Studies --- p.49-55 / Chapter II.2.4.1 --- Oxygenation Studies of the Catecholate Complexes --- p.49-51 / Chapter II.2.4.2 --- Spectral Studies at low Temperature --- p.52-54 / Chapter II.2.4.3 --- Reactivity Studies with Excess Pyrazole --- p.54-55 / Chapter II.2.5 --- Identification of the degradation products --- p.56-60 / Chapter II.3 --- Summary --- p.61 / Chapter II.4 --- Experiments for Chapter II --- p.62-66 / Chapter II.4.1 --- Materials --- p.62 / Chapter II.4.2 --- Synthesis of complexes --- p.62-64 / Chapter II.4.3 --- Characterization of degradation products --- p.65-66 / Chapter II.5 --- References for Chapter II --- p.67-70 / Chapter Chapter III. --- "Synthesis and Reactivity Studies of Model Complexes of Catechol Dioxygenases Supported by the neutral Hydrotris-3,5-dimethylpyrazolylmethane Ligand" / Chapter III.1 --- Introduction --- p.71-72 / Chapter III.2 --- Results and Discussion --- p.73-96 / Chapter III.2.1 --- Synthesis --- p.73-78 / Chapter III.2.1.1 --- Synthesis of Iron(III)-Catecholate Complexes --- p.73-74 / Chapter III.2.2.2 --- Attempt to Synthesis Iron(III)-Catecholate Complexes with Pyrocatechol --- p.75-76 / Chapter III.2.2.3 --- Attempts to Remove the Chloride Ligand from the Iron(III) Catecholate Complexes --- p.76-77 / Chapter III.2.2.4 --- Synthesis of Iron(II)-Catecholate Complexes --- p.77-78 / Chapter III.2.2 --- Molecular Structures --- p.79-85 / Chapter III.2.3 --- Electrochemical Studies --- p.86-88 / Chapter III.2.4 --- UV-Vis Spectroscopic and Reactivity Studies on Oxygenation of / Chapter III.2.4.1 --- Oxygenation Studies of the Catecholate Complexes --- p.89-90 / Chapter III.2.4.2 --- Spectral changes with chloride removed from the catecholate complex --- p.91-93 / Chapter III.2.5 --- Identification of the degradation products --- p.94-96 / Chapter III.3 --- Summary --- p.96 / Chapter III.4 --- Experimental for Chapter III --- p.97-101 / Chapter III.4.1 --- Materials --- p.97 / Chapter III.4.2 --- Synthesis of complexes --- p.97-99 / Chapter III.4.3 --- Characterization of Oxygenation Products --- p.100 / Chapter III.5 --- References for Chapter III --- p.101-105 / Chapter Chapter IV. --- "Synthesis and Reactivity Studies of Manganese and Cobalt Catecholate Complexes Supported by the anionic Hydrotris-3,5-dimethyl -pyrazolylborate Ligand" / Chapter IV.1 --- Introduction --- p.106-109 / Chapter IV.2 --- Results and Discussion --- p.110-127 / Chapter IV.2.1 --- Synthesis of Manganese and Cobalt Catecholate Complexes --- p.110-111 / Chapter IV.2.2 --- Molecular Structures --- p.112-118 / Chapter IV.2.3 --- UV-Vis Spectroscopic Studies and Reactivity Studies --- p.119-124 / Chapter IV.2.3.1 --- Oxygenation studies of the Manganese(III)-Catecholate Complex --- p.119-121 / Chapter IV.2.3.1 --- Oxygenation studies of the Cobalt(II)-catecholate Comple --- p.x / Chapter IV.2.4 --- Identification of Degradation Products --- p.124-126 / Chapter IV.3 --- Summary --- p.126 / Chapter IV.4 --- Experimental for Chapter IV --- p.127-129 / Chapter IV.4.1 --- Materials --- p.127 / Chapter IV.4.2 --- Synthesis of complexes --- p.127-129 / Chapter IV.5 --- References for Chapter IV --- p.130-135 / Appendix I / Chapter A.I.1 --- General Procedure --- p.136 / Chapter A.I.2 --- Physical Characterization --- p.136-138 / Appendix II / Chapter A.II.1 --- "Selected Crystallographic Data for Compounds 1,2,4,5,7,9,14,15,16,17 and 18" --- p.142-147 / Chapter A.II.2 --- 1H and 13C NMR Spectra --- p.148-150 / Chapter A.II.3 --- Chromatogram and Mass spectra (El and Cl) from GCMS Analysis --- p.151-157 / Chapter A.II.4 --- Mass Spectra --- p.158-162

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326141
Date January 2008
ContributorsCheng, Yat Ho., Chinese University of Hong Kong Graduate School. Division of Chemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xi, 162 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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