Schlagwort(e):
Alkaline earth metals.
;
Alkaline earth compounds.
;
Electronic books.
Materialart:
Online-Ressource
Seiten:
1 online resource (282 pages)
Ausgabe:
1st ed.
ISBN:
9783642362705
Serie:
Topics in Organometallic Chemistry Series ; v.45
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=3101230
DDC:
661.03
Sprache:
Englisch
Anmerkung:
Intro -- Topics in Organometallic ChemistryAlso Available Electronically -- Aims and Scope -- Preface -- Contents -- Heavy Alkaline-Earth Metal Organometallic and Metal Organic Chemistry: Synthetic Methods and Properties -- 1 Introduction -- 2 Grignard Reagents -- 3 Hydrocarbon Elimination or Organoelimination -- 4 Transamination -- 5 Salt Metathesis -- 6 Direct Metallation -- 6.1 Direct Metallation via Anhydrous NH3(l) Activation -- 6.2 Direct Metallation under Mild Solid-State Conditions -- 7 Redox Transmetallation -- 7.1 Redox Transmetallation/Ligand Exchange -- 8 Metal Exchange -- 9 Conclusions -- References -- Heavier Group 2 Grignard Reagents of the Type Aryl-Ae(L)n-X (Post-Grignard Reagents) -- 1 Introduction: Grignard Reagents -- 2 Synthesis of Post-Grignard Reagents -- 2.1 Activation of the Heavier Alkaline-Earth Metals -- 2.2 Grignard Reaction with Activated Calcium -- 2.3 Synthesis of Diarylcalcium -- 2.4 Alternative Routes to Post-Grignard Reagents -- 3 Properties of Post-Grignard Reagents -- 3.1 NMR Studies -- 3.2 Structural Characteristics -- 4 Reactivity Investigations -- 4.1 Ether Degradation -- 4.2 Directed ortho-Calciations -- 5 Conclusion and Perspective -- References -- Stable Molecular Magnesium(I) Dimers: A Fundamentally Appealing Yet Synthetically Versatile Compound Class -- 1 Introduction -- 1.1 Low Oxidation State Chemistry of the Group 2 Metals: A Brief Overview -- 2 Stable Magnesium(I) Dimers -- 2.1 Synthesis, Stability and Physical Properties -- 2.2 Structural Properties -- 2.3 Theoretical Analyses -- 3 Magnesium(I) Dimers as Specialist Reducing Agents in Synthesis -- 3.1 Use of Magnesium(I) Dimers in Organic Synthesis -- 3.2 Use of Magnesium(I) Dimers in Inorganic/Organometallic Synthesis -- 4 Conclusions and Outlook -- 5 Addendum -- References -- Modern Developments in Magnesium Reagent Chemistry for Synthesis.
,
1 History: A Brief Glimpse -- 2 Modern Advances Part One: The Halide Salt Method -- 2.1 Introduction -- 2.2 Uses in Metal-Halogen Exchange Reactions -- 2.3 Uses in Metal-Hydrogen Exchange Reactions -- 3 Modern Advances Part Two: The Organic Anion Approach -- 3.1 Introduction -- 3.2 Uses in Metal-Halogen Exchange Reactions -- 3.3 Polymerisation -- 3.4 Magnesiates as Nucleophile Sources -- 3.5 Uses in Metal-Hydrogen Exchange Reactions -- 3.6 Contrasting Reactivity of Higher Order and Lower Order Alkyl Magnesiates -- 3.7 Synthetic Applications Using Magnesium Zincates -- 3.8 Heteroleptic Alkyl/Amido Alkali-Metal Magnesiates -- 4 Conclusion -- References -- Alkaline-Earth Metal Complexes in Homogeneous Polymerization Catalysis -- 1 Alkaline-Earth Metals and Polymerization Catalysis -- 2 Polymerization of Monomers with C=C Unsaturations -- 2.1 Introduction -- 2.2 Use of Dialkylmagnesiums as Reversible Transfer Agents in Chain Growth Polymerizations -- 2.2.1 General Considerations -- 2.2.2 Chain Growth Polymerization of Ethylene -- 2.2.3 Chain Growth Polymerization of Styrene and Conjugated Dienes -- 2.3 Polymerization of Styrenes and Conjugated Dienes with Discrete Ae Compounds or In situ Generated Catalysts -- 2.3.1 Early Works with In situ Generated Magnesium-based Systems -- 2.3.2 Discrete Heavier Ae Compounds -- 2.4 Polymerization of Methacrylate Esters with Discrete Ae Compounds or In situ Generated Catalysts -- 3 Ring-Opening Polymerization -- 3.1 Polymerization of Cyclic Esters and Carbonates: General Aspects -- 3.2 Complexes of Magnesium -- 3.2.1 Tris(pyrazolyl) and Tris(indazolyl)Borate Ligands -- 3.2.2 beta-Diketiminate Ligands -- 3.2.3 Hybrid and Heteroscorpionate Ligands -- 3.2.4 Phenolate Ligands -- 3.2.5 Miscellaneous Ligands -- 3.3 Complexes of the Larger Alkaline-Earth Metals -- 3.3.1 ROP Studies with Ill-Defined Ca, Sr, and Ba Species.
,
3.3.2 Homoleptic and Molecular Calcium Complexes -- 3.3.3 Discrete Heteroleptic {LnX}Ae(Nu) Complexes -- 3.4 Unusual Architectures: Cationic and Bimetallic Complexes -- 3.4.1 Discrete Cationic Complexes -- 3.4.2 Bimetallic Complexes -- 3.5 Perspectives -- References -- Homogeneous Catalysis with Organometallic Complexes of Group 2 -- 1 Background -- 1.1 An Analogy Between Organometallic Complexes of Group 2 and the 4f-Metals -- 1.2 sigma-Bond Metathesis and Insertion Reactivity at Group 2 Metal Centers -- 1.3 Addressing the Schlenk Equilibrium -- 2 Heterofunctionalization of Unsaturated Substrates -- 2.1 Hydroamination of Alkenes, Carbodiimides, and Isocyanates (C-N bond formation) -- 2.1.1 Intramolecular Hydroamination/Cyclization of Aminoalkenes -- 2.1.2 Intermolecular Hydroamination of Activated Alkenes -- 2.1.3 Intermolecular Hydroamination of Carbodiimides -- 2.1.4 Intermolecular Hydroamination of Isocyanates -- 2.2 Intermolecular Hydrophosphination (C-P Bond Formation) -- 2.2.1 Intermolecular Hydrophosphination of Activated Alkenes, Alkynes, and Diynes -- 2.2.2 Intermolecular Hydrophosphination of Carbodiimides -- 2.3 Hydrosilylation (C-Si Bond Formation) -- 2.3.1 Hydrosilylation of Activated Alkenes and Alkynes -- 2.3.2 Hydrosilylation of Carbonyls -- 2.3.3 Attempted Hydrosilylation of Pyridines and Quinolines -- 2.4 Hydroboration of Activated Alkenes, Alkynes, Pyridines, and Carbonyls (C-B Bond Formation) -- 2.5 Hydrogenation of Activated Alkenes and Alkynes (C-H Bond Formation) -- 2.6 Hydroalkynylation of Alkynes and Carbodiimides (C-C Bond Formation) -- 3 Dimerization and Trimerization of Unsaturated Substrates -- 3.1 Dimerization of Aldehydes -- 3.2 Trimerization of Isocyanates -- 4 Dehydrogenative Coupling of Acid and Base Partners -- 4.1 Amine-Borane Dehydrogenation -- 4.2 Amine and Silane Dehydrocoupling.
,
5 Future Directions in Group 2 Catalysis -- References -- Chiral Ca-, Sr-, and Ba-Catalyzed Asymmetric Direct-Type Aldol, Michael, Mannich, and Related Reactions -- 1 Introduction -- 2 Asymmetric Aldol and Related Reactions -- 3 Asymmetric Michael and Related Reactions -- 4 Asymmetric Mannich and Related Reactions -- 5 Other Asymmetric Reactions -- 6 Conclusions -- References -- Index.
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