Preface |
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ix | |
Authors |
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xi | |
Abbreviations |
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xiii | |
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Chapter 1 Basic Principles of EPR and NMR Spectroscopy |
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1 | (26) |
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1.1 Electron and Nuclear Magnetic Moments in the Magnetic Field |
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1 | (3) |
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1.2 Instrumentation for CW EPR Spectroscopy |
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4 | (1) |
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1.3 Main Parameters Characterizing EPR Spectra |
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4 | (4) |
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1.4 EPR Spectra of Frozen Solutions |
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8 | (4) |
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1.5 Instrumentation for Pulsed FT NMR Spectroscopy |
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12 | (1) |
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1.6 Main Characteristics of NMR Spectra |
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12 | (4) |
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12 | (2) |
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1.6.2 Spin--Spin Coupling |
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14 | (1) |
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14 | (2) |
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16 | (5) |
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1.8 Pulsed FT NMR Spectroscopy |
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21 | (6) |
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24 | (3) |
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Chapter 2 Some NMR Spectroscopic Techniques Used in Homogeneous Catalysis |
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27 | (28) |
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2.1 Measuring 1H and 13C NMR Spectra of a Sample Compound |
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29 | (10) |
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2.1.1 One- and Two-Dimensional 1H and 13C NMR Spectra |
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29 | (8) |
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2.1.2 1H COSY versus 1H TOCSY Spectra |
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37 | (2) |
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2.2 1H Spectra of Paramagnetic Molecules |
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39 | (16) |
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2.2.1 Probing the Structure of an Unknown Ni(II) Complex by Multinuclear NMR |
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40 | (2) |
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2.2.2 Temperature Dependence of the Paramagnetic Shift |
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42 | (1) |
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2.2.2.1 Temperature Dependence of the Paramagnetic Shift of Monomeric Compounds |
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43 | (2) |
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2.2.2.2 Temperature Dependence of Paramagnetic Shift of Antiferromagnetic Dimers |
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45 | (2) |
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2.2.2.3 Measuring Magnetic Susceptibility (Evans Method) for Studying Spin Equilibrium |
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47 | (4) |
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51 | (4) |
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Chapter 3 NMR and EPR Spectroscopy as a Tool for the Studies of Intermediates of Transition Metal--Catalyzed Oxidations |
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55 | (72) |
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56 | (11) |
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3.1.1 Superoxo Complexes of Co(III) |
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56 | (3) |
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3.1.2 Superoxo Complexes of Pd(II) |
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59 | (2) |
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3.1.3 Superoxo Complexes of Ni(II) |
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61 | (2) |
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3.1.4 Superoxo Complexes of Copper(II) |
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63 | (2) |
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3.1.5 Superoxo Complexes of Iron(III) |
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65 | (2) |
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3.2 Alkylperoxo Complexes |
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67 | (13) |
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3.2.1 Alkylperoxo Complexes of Molybdenum |
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68 | (4) |
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3.2.2 Alkylperoxo Complexes of Titanium |
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72 | (4) |
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3.2.3 Alkylperoxo Complexes of Vanadium |
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76 | (4) |
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80 | (8) |
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3.3.1 Peroxo Complexes of Molybdenum |
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80 | (3) |
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3.3.2 Peroxo Complexes of Vanadium |
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83 | (4) |
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3.3.3 Peroxo Complexes of Titanium |
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87 | (1) |
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88 | (25) |
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3.4.1 Oxocomplexes [ Crv = O(Salen)]+ |
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88 | (3) |
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3.4.2 Oxocomplexes [ Mnv = O(Salen)]+ |
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91 | (4) |
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3.4.3 Oxocomplexes [ (L)Fev=O]3+ (L = Tetradentate N-Donor Ligand) as Proposed Active Species of Selective Epoxidation of Olefins |
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95 | (9) |
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3.4.4 EPR Spectroscopic Detection of the Elusive Fev=0 Intermediates in Selective Catalytic Epoxidation of Olefins Mediated by Ferric Complexes with Substituted Aminopyridine Ligands |
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104 | (9) |
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3.5 Structure of Co(III) Acetate in Solution |
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113 | (14) |
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116 | (11) |
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Chapter 4 NMR and EPR Spectroscopy in the Study of the Mechanisms of Metallocene and Post-Metallocene Polymerization and Oligomerization of α-Olefins |
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127 | (92) |
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4.1 Metallocene Catalysts |
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127 | (32) |
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127 | (1) |
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4.1.2 Size of MAO Oligomers |
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128 | (2) |
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4.1.3 On the Active Centers of MAO |
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130 | (2) |
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4.1.4 Structure of Ion Pairs Formed upon the Interaction of Cp2ZrMe2 with MAO |
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132 | (2) |
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4.1.5 Detection of Ion Pairs Formed upon Activation of (Cp-R)2ZrCl2 (R = nBu, tBu) with MAO |
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134 | (3) |
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4.1.6 Detection of Ion Pairs Formed in the Catalyst Systems (Cp-R)2ZrCl2/MAO (R = Me, 1,2-Me2, 1,2,3-Me3, 1,2,4-Me3, Me4) |
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137 | (2) |
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4.1.7 Ion Pairs Formed upon Activation of Ansa-Zirconocenes with MAO |
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139 | (4) |
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4.1.8 Ion Pairs Formed upon Interaction of Cp2TiCl2 and Rac-C2H4(Ind)2TiCl2 with MAO |
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143 | (5) |
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4.1.9 Ion Pairs Formed upon Activation of (C5Me5) TiCl3 and [ (Me4C5)SiMe2NtBu]TiCl2 with MAO |
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148 | (1) |
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4.1.10 Observation of Ion Pairs Formed in the Catalyst Systems Zirconocene/MMAO |
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149 | (3) |
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4.1.11 Ion Pairs Formed in the Catalyst Systems Metallocene/AliBu3/[ Ph3C][ B(C6F5)4] |
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152 | (4) |
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4.1.12 Ion Pairs Operating in the Catalyst Systems Zirconocene/Activator/α-Olefin |
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156 | (3) |
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4.2 Post-Metallocene Catalysts |
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159 | (39) |
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4.2.1 Bis(imino)pyridine Iron Ethylene Polymerization Catalysts |
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159 | (1) |
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4.2.1.1 Activation of L2iPrFeCl2 with MAO |
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160 | (1) |
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4.2.1.2 Activation of L2iPrFeCl2 with AlMe3 |
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161 | (5) |
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4.2.2 Bis(imino)pyridine Cobalt Ethylene Polymerization Catalysts |
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166 | (1) |
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4.2.2.1 Activation of L2iPrCoIICl2 with MAO |
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166 | (3) |
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4.2.2.2 Activation of L2iPrCoIICl2 with AlMe3 |
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169 | (2) |
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4.2.3 α-Diimine Vanadium(III) Ethylene Polymerization Catalysts |
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171 | (1) |
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4.2.3.1 System L2MeVCl3/AlMe3/[ Ph3C] [ B(C6F5)4] |
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172 | (3) |
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4.2.3.2 System L2MeVCl3/MAO |
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175 | (1) |
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4.2.4 Ethylene Polymerization Precatalyst Based on Calix[ 4]arene Vanadium(V) Complex |
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176 | (1) |
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4.2.4.1 Reaction of Calix[ 4]arene Vanadium(V) Complex with AlEt2Cl |
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176 | (2) |
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4.2.4.2 Reaction of Calix[ 4]arene Vanadium(V) Complex with AlMe2Cl |
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178 | (3) |
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4.2.4.3 Reaction of Calix[ 4]arene Vanadium(V) Complex with AlEt3 |
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181 | (1) |
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4.2.5 Neutral NiIIK2-(N, O)-salicylaldiminato Olefin Polymerization Catalysts |
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182 | (1) |
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4.2.5.1 Chain-Propagating Species Formed upon Ethylene Polymerization with Neutral Salicylaldiminato Nickel(II) Catalysts |
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182 | (5) |
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4.2.5.2 Evaluation of the Size of Ni-Polymeryl Species by PFG NMR Spectroscopy |
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187 | (1) |
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4.2.5.3 Catalyst Deactivation |
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188 | (2) |
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4.2.6 Formation of Cationic Intermediates upon the Activation of Bis(imino)pyridine Nickel Catalysts |
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190 | (4) |
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4.2.7 Cationic Intermediates Formed upon the Activation of Ni(II) Catalysts with AlMe2Cl and AlEt2Cl |
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194 | (4) |
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4.3 On the Origin of Living Polymerization over o-Fluorinated Post-Titanocene Catalysts |
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198 | (4) |
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4.4 Selective Ethylene Trimerization by Titanium Complex Bearing Phenoxy Imine Ligand |
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202 | (17) |
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206 | (13) |
Index |
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219 | |