Dendrimer Catalysis (eBook)

Volume Editor 6
Editorial Board 6
Preface 8
Contents 10
Transition Metal Dendrimer Catalysts 11
Introduction 11
Current Status 12
Membrane Filtration Techniques 16
Metallodendrimers in Catalysis 19
Summary and Outlook 42
References 45
Supramolecular Dendritic Catalysis: Noncovalent Catalyst Anchoring to Functionalized Dendrimers 49
Introduction 49
Covalent Versus Noncovalent Anchoring of Catalysts to Dendrimers 51
Noncovalently Functionalized Dendrimers Based on Multiple Interactions 54
Noncovalently Functionalized Dendrimers Based on Single Point Interactions 59
Noncovalently Functionalized Hyperbranched Polymers 62
Conclusions and Outlook 66
References 68
Stereoselective Dendrimer Catalysis 70
Introduction 71
Dendrimer Fixation of Chiral Catalysts 72
Chiral Catalytic Sites at the Periphery of Dendrimers 73
Asymmetric Catalysis in the Core of Dendrimers: Catalysts Attached to Dendritic Wedges 86
Polymer-Supported Chiral Dendritic Catalysts 98
Conclusion and Outlook 103
References 103
Dendrimer-Encapsulated Bimetallic Nanoparticles: Synthesis, Characterization, and Applications to Homogeneous and Heterogeneous Catalysis 106
Dendrimers and Dendrimer-Encapsulated Nanoparticles 107
Synthesis 109
Characterization of DENs 113
Nanoparticle Extraction from Dendrimer Interiors 116
Homogeneous Catalysis 119
Dendrimer Deposition and Thermolysis 122
Activated Supported Nanoparticles 124
Summary and Links Between Homogeneous and Heterogeneous Catalysis 126
References 128
Metallodendritic Exo-Receptors for the Redox Recognition of Oxo-Anions and Halides 130
Introduction 130
First Electrochemical Exo-receptors. Covalently-assembled Ferrocenyl Dendrimers: Sensing Oxo-Anions with Positive Dendritic Effects 131
Metallodendrimers Assembled by Hydrogen Bonding Between a Redox-active Dendronic Phenol and Dendritic Primary Amines also Recognize Oxo-Anions with Dendritic Effects 137
Gold nanoparticle–alkanethiolate-ferrocenyl Stars and Dendrimers are Excellent Oxo-Anion Sensors that can Provide Derivatized Electrodes 140
Dendrimers Containing Fe4 Clusters at the Periphery Recognize ATP2 Better than the Model H2PO– 4 and also Form Derivatized Electrodes as Re-usable Sensors 147
Dendritic Cationic Aminoarene Iron-sandwich Complexes Selectively Recognize Chloride and Bromide Anions 151
Conclusion and Prospects 153
References 154
Hyperbranched Polymers as Platforms for Catalysts 158
Introduction 158
Defined Multiple Site Catalysts 159
Dendritic Core-shell Catalysts 170
Supramolecular Catalyst Complexes 177
Conclusions 181
References 182
Author Index Volumes 1–20 186
Subject Index 195