Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací
Mass spectrometry, ion spectroscopy, NMR and quantum-chemical calculations are commonly combined to study the structures, properties and reactivity of intermediates in metal- catalyzed reactions. However, our ability to identify the main species present in solution by electrospray ionization mass sp...
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2020
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Online Access: | http://www.nusl.cz/ntk/nusl-434854 |
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ndltd-nusl.cz-oai-invenio.nusl.cz-4348542021-02-26T05:21:30Z Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací Mechanisms of metal-catalyzed reactions: an electrospray ionization mass spectrometry approach Anania, Mariarosa Roithová, Jana Hanusek, Jiří Slanina, Tomáš Mass spectrometry, ion spectroscopy, NMR and quantum-chemical calculations are commonly combined to study the structures, properties and reactivity of intermediates in metal- catalyzed reactions. However, our ability to identify the main species present in solution by electrospray ionization mass spectrometry (ESI-MS) and to confirm whether these species are indeed reactive intermediates involved in the study reactions remains limited. Thus, we developed a new method combining isotope labeling with kinetic data extraction for the identification and analysis of intermediates in reaction mixtures termed delayed reactant labeling (DRL). Accordingly, this thesis is divided into 5 Chapters. Chapter 1 gives an overview of ESI-MS as a tool for studying the mechanisms of metal-catalyzed reactions, focusing on gold chemistry. Chapter 2 describes the experimental (ESI-MS, ion spectroscopy and gas chromatography) and theoretical (DFT) methods used in this thesis and the corresponding instrumentation. Chapter 3 details the development of the delayed reactant labeling (DRL) as a technique for studying reaction kinetics by mass spectrometry and examples how it was used to investigate problems in the following chapter. Chapter 4, shows that a Au(I) complex can act as a strong base in a solution containing water... 2020 info:eu-repo/semantics/doctoralThesis http://www.nusl.cz/ntk/nusl-434854 eng info:eu-repo/semantics/restrictedAccess |
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English |
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Doctoral Thesis |
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NDLTD |
description |
Mass spectrometry, ion spectroscopy, NMR and quantum-chemical calculations are commonly combined to study the structures, properties and reactivity of intermediates in metal- catalyzed reactions. However, our ability to identify the main species present in solution by electrospray ionization mass spectrometry (ESI-MS) and to confirm whether these species are indeed reactive intermediates involved in the study reactions remains limited. Thus, we developed a new method combining isotope labeling with kinetic data extraction for the identification and analysis of intermediates in reaction mixtures termed delayed reactant labeling (DRL). Accordingly, this thesis is divided into 5 Chapters. Chapter 1 gives an overview of ESI-MS as a tool for studying the mechanisms of metal-catalyzed reactions, focusing on gold chemistry. Chapter 2 describes the experimental (ESI-MS, ion spectroscopy and gas chromatography) and theoretical (DFT) methods used in this thesis and the corresponding instrumentation. Chapter 3 details the development of the delayed reactant labeling (DRL) as a technique for studying reaction kinetics by mass spectrometry and examples how it was used to investigate problems in the following chapter. Chapter 4, shows that a Au(I) complex can act as a strong base in a solution containing water... |
author2 |
Roithová, Jana |
author_facet |
Roithová, Jana Anania, Mariarosa |
author |
Anania, Mariarosa |
spellingShingle |
Anania, Mariarosa Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
author_sort |
Anania, Mariarosa |
title |
Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
title_short |
Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
title_full |
Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
title_fullStr |
Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
title_full_unstemmed |
Mechanismy reakcí katalyzových kovy: Přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
title_sort |
mechanismy reakcí katalyzových kovy: přístup pomocí hmotnostní spektrometrie s elektrosprejovou ionizací |
publishDate |
2020 |
url |
http://www.nusl.cz/ntk/nusl-434854 |
work_keys_str_mv |
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1719381685375598592 |