Modes of Cooperative Effects in Dinuclear Complexes

Description

Cover Topics in Organometallic Chemistry Series: № 70 Modes of Cooperative Effects in Dinuclear Complexes Copyright Preface References Contents Dinuclear Reactivity of One Metal Exalted by the Second One Contents 1. Introduction 2. Mechanisms in Which Only One Metal Center Undergoes Oxidative Addition Reaction 2.1 Two Electrons Oxidative Addition on One Metal Center 2.2 Preliminary Coordination of a Part of the Substrate onto the Other Metal Center 3. Migratory Insertion on a Single Metal Center 3.1 Bimetallic Alkene Polymerization 3.2 Alkyne Activation 3.3 Metathesis Using Ru-Ru Complexes 4. Reductive Elimination 4.1 Pd-Pd-Catalyzed Functionalization of C–H Reductive Elimination 4.1.1 Pd(III)-Pd(III) Intermediates 4.1.2 Pd(II)-Pd(II) Precursors (C-H Activation and Migratory Insertion) 5. Miscellaneous Reactions 5.1 Michael Reactions (Chiral Nucleophilic Attack) 5.2 Nucleophilic Attack on Alkynes 5.3 Ni2 and Hydrosilylation (Double Oxidative Addition) 5.4 Ni2 and Azobenzenes from Aryl Azides 5.5 Ru2 in the Kharasch Reaction (1 Electron Oxidative Addition) 5.6 Au2 in Ring Closure Reactions 5.7 Pd–Ru in Hydrodefluorination 5.8 Ir2 NHC Complexes in Reductions with MeOH 5.9 Bichromophoric Ru-Pd and Ir-Pd Catalysts 5.10 Heterogeneous Systems 6. Conclusions References Chemical Transformations in Heterobimetallic Complexes Facilitated by the Second Coordination Sphere Contents 1. Introduction 2. Stoichiometric Bond Activation Mediated by the Second Coordination Sphere 3. Catalysis Mediated by the Second Coordination Sphere 3.1 Switchable Systems 3.1.1 Redox-Switchable Systems 3.1.2 Cation-Responsive Systems 4. Conclusions References Role of a Redox-Active Ligand Close to a Dinuclear Activating Framework Contents 1. Introduction 2. Hydrogenases-Bio-Inspired Dinuclear Complexes Featuring a Redox Ligand 2.1 Complexes with a Non-Metal Based Redox Ligand 2.1.1 Introduction of a Redox Ligand Through Monodentate Coordination 2.1.2 Introduction of a Redox Ligand via Chelating Coordination 2.1.3 Redox Bridging Ligands 2.2 Complexes with a Metal-Based Redox Ligand 3. Illustrations of Various Bimetallic Complexes with a Redox Ligand for Molecular Activation 4. Conclusions References Dinuclear Reactivity Between the Two Metal Centers Contents 1. Introduction 2. Mechanisms in Which Each Metal Center Is Involved in a 1e-1e Reaction 2.1 Absence of Bridging Ligands 2.2 Bimetallic Complexes with Redox Innocent Bridging Ligands 2.3 Redox Active Bridging Ligands 3. Mechanisms in Which Only One Metal Center Is Involved in a 1e Reaction 4. Conclusions References Magnetism in Binuclear Compounds: Theoretical Insights Contents 1. Introduction 2. Model Hamiltonians and Their Extraction from Theoretical Calculations 2.1 Why Model Hamiltonians Are Mandatory for the Description of Magnetic Systems? 2.2 Theoretical Tools for the Extraction of Model Interactions 2.2.1 Theoretical Calculations 2.2.2 The Effective Hamiltonian Theory 3. Mononuclear Compounds 4. Binuclear Compounds 4.1 Giant-Spin Approximation and Its Generalization to a Block-Spin Approach 4.2 The Multispin Approximation 4.2.1 Isotropic Exchange 4.2.2 Anisotropic Exchange Interactions 5. Concluding Remarks References