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Carbon-centered free radicals and radical cations [[electronic resource] ] : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes
| Carbon-centered free radicals and radical cations [[electronic resource] ] : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes |
| Pubbl/distr/stampa | Hoboken, NJ, : Wiely, c2010 |
| Descrizione fisica | 1 online resource (395 p.) |
| Disciplina | 547.1224 |
| Altri autori (Persone) | ForbesMalcolm D. E. <1960-> |
| Collana | Wiley Series of Reactive Intermediates in Chemistry and Biology |
| Soggetto topico |
Free radicals (Chemistry)
Carbon, Activated Reactivity (Chemistry) Cations |
| ISBN |
1-282-49088-5
9786612490880 0-470-58411-4 0-470-58410-6 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
CARBON-CENTERED FREE RADICALS AND RADICAL CATIONS; CONTENTS; About the Volume Editor; Preface to Series; Introduction; Contributors; 1. A Brief History of Carbon Radicals; 2. Intermolecular Radical Additions to Alkynes: Cascade-Type Radical Cyclizations; 2.1 Introduction; 2.2 Cascade Reactions Involving Radicals of Second Row Elements; 2.2.1 Cascade Reactions Initiated by Addition of C-Centered Radicals to Alkynes; 2.2.2 Cascade Reactions Initiated by Addition of O-Centered Radicals to Alkynes (Self-Terminating Radical Oxygenations)
2.2.3 Cascade Reactions Initiated by Addition of N-Centered Radicals to Alkynes 2.3 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.3.1 Cascade Reactions Initiated by Addition of Sn-Centered Radicals to Alkynes; 2.4 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.4.1 Cascade Reactions Initiated by Addition of S-Centered Radicals to Alkynes; 2.4.2 Cascade Reactions Initiated by Addition of Se-Centered Radicals to Alkynes 2.5 Cascade Reactions Initiated by Addition of Higher Main Group (V)-Centered Radicals to Alkynes 2.5.1 Cascade Reactions Initiated by Addition of P-Centered Radicals to Alkynes; 3. Radical Cation Fragmentation Reactions in Organic Synthesis; 3.1 Introduction; 3.1.1 Oxidative Carbon-Carbon Bond Cleavage; 3.1.2 Thermodynamic and Kinetic Considerations; 3.1.3 Reactive Intermediate Lifetime; 3.2 Electron Transfer-Initiated Cyclization Reactions; 3.2.1 Rate Enhancement and Mechanistic Studies; 3.2.2 Development of a Catalytic Aerobic Protocol; 3.2.3 Oxidative Cascade Reactions 3.3 Oxidative Acyliminium Ion Formation 3.4 Carbon-Carbon Bond Formation; 3.4.1 Chemoselectivity and Reactivity; 3.4.2 Reaction Scope; 3.5 Summary and Outlook; 4. Selectivity in Radical Cation Cycloadditions; 4.1 Introduction; 4.2 Mechanism and the Origin of the Rate Acceleration; 4.3 Selectivity in Radical Cation Cycloadditions; 4.4 Chemoselectivity; 4.4.1 Effect of Dienophile Substituents on Chemoselectivity; 4.4.2 Effect of Sensitizers and Solvents on Chemoselectivity; 4.4.3 Effect of Concentrations on Chemoselectivity; 4.4.4 Effect of Electron-Rich Dienophiles on Chemoselectivity 4.5 Regioselectivity 4.6 Periselectivity; 4.6.1 Effects of Solvent and Concentration on Periselectivity; 4.6.2 Effect of Diene/Dienophile Redox Potentials on Periselectivity; 4.6.3 Substituent and Steric Effects on Periselectivity; 4.6.4 Quantifying Periselectivity Through Ion Pair Association; 4.7 Endo/Exo Selectivity; 4.7.1 Effects of Secondary Orbital Interaction and Solvents on Endo/Exo Selectivity; 4.7.2 Effect of Sensitizer on Endo/Exo Selectivity; 4.7.3 Ion Pairs and Endo/Exo Selectivities; 4.8 Conclusions; 5. The Stability of Carbon-Centered Radicals; 5.1 Introduction 5.1.1 The Consequences of Different Stability Definitions: How Stable Are Ethyl and Fluoromethyl Radicals? |
| Record Nr. | UNISA-996212676503316 |
| Hoboken, NJ, : Wiely, c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Carbon-centered free radicals and radical cations [[electronic resource] ] : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes
| Carbon-centered free radicals and radical cations [[electronic resource] ] : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes |
| Pubbl/distr/stampa | Hoboken, NJ, : Wiely, c2010 |
| Descrizione fisica | 1 online resource (395 p.) |
| Disciplina | 547.1224 |
| Altri autori (Persone) | ForbesMalcolm D. E. <1960-> |
| Collana | Wiley Series of Reactive Intermediates in Chemistry and Biology |
| Soggetto topico |
Free radicals (Chemistry)
Carbon, Activated Reactivity (Chemistry) Cations |
| ISBN |
1-282-49088-5
9786612490880 0-470-58411-4 0-470-58410-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
CARBON-CENTERED FREE RADICALS AND RADICAL CATIONS; CONTENTS; About the Volume Editor; Preface to Series; Introduction; Contributors; 1. A Brief History of Carbon Radicals; 2. Intermolecular Radical Additions to Alkynes: Cascade-Type Radical Cyclizations; 2.1 Introduction; 2.2 Cascade Reactions Involving Radicals of Second Row Elements; 2.2.1 Cascade Reactions Initiated by Addition of C-Centered Radicals to Alkynes; 2.2.2 Cascade Reactions Initiated by Addition of O-Centered Radicals to Alkynes (Self-Terminating Radical Oxygenations)
2.2.3 Cascade Reactions Initiated by Addition of N-Centered Radicals to Alkynes 2.3 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.3.1 Cascade Reactions Initiated by Addition of Sn-Centered Radicals to Alkynes; 2.4 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.4.1 Cascade Reactions Initiated by Addition of S-Centered Radicals to Alkynes; 2.4.2 Cascade Reactions Initiated by Addition of Se-Centered Radicals to Alkynes 2.5 Cascade Reactions Initiated by Addition of Higher Main Group (V)-Centered Radicals to Alkynes 2.5.1 Cascade Reactions Initiated by Addition of P-Centered Radicals to Alkynes; 3. Radical Cation Fragmentation Reactions in Organic Synthesis; 3.1 Introduction; 3.1.1 Oxidative Carbon-Carbon Bond Cleavage; 3.1.2 Thermodynamic and Kinetic Considerations; 3.1.3 Reactive Intermediate Lifetime; 3.2 Electron Transfer-Initiated Cyclization Reactions; 3.2.1 Rate Enhancement and Mechanistic Studies; 3.2.2 Development of a Catalytic Aerobic Protocol; 3.2.3 Oxidative Cascade Reactions 3.3 Oxidative Acyliminium Ion Formation 3.4 Carbon-Carbon Bond Formation; 3.4.1 Chemoselectivity and Reactivity; 3.4.2 Reaction Scope; 3.5 Summary and Outlook; 4. Selectivity in Radical Cation Cycloadditions; 4.1 Introduction; 4.2 Mechanism and the Origin of the Rate Acceleration; 4.3 Selectivity in Radical Cation Cycloadditions; 4.4 Chemoselectivity; 4.4.1 Effect of Dienophile Substituents on Chemoselectivity; 4.4.2 Effect of Sensitizers and Solvents on Chemoselectivity; 4.4.3 Effect of Concentrations on Chemoselectivity; 4.4.4 Effect of Electron-Rich Dienophiles on Chemoselectivity 4.5 Regioselectivity 4.6 Periselectivity; 4.6.1 Effects of Solvent and Concentration on Periselectivity; 4.6.2 Effect of Diene/Dienophile Redox Potentials on Periselectivity; 4.6.3 Substituent and Steric Effects on Periselectivity; 4.6.4 Quantifying Periselectivity Through Ion Pair Association; 4.7 Endo/Exo Selectivity; 4.7.1 Effects of Secondary Orbital Interaction and Solvents on Endo/Exo Selectivity; 4.7.2 Effect of Sensitizer on Endo/Exo Selectivity; 4.7.3 Ion Pairs and Endo/Exo Selectivities; 4.8 Conclusions; 5. The Stability of Carbon-Centered Radicals; 5.1 Introduction 5.1.1 The Consequences of Different Stability Definitions: How Stable Are Ethyl and Fluoromethyl Radicals? |
| Record Nr. | UNINA-9910139517803321 |
| Hoboken, NJ, : Wiely, c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Carbon-centered free radicals and radical cations : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes
| Carbon-centered free radicals and radical cations : structure, reactivity, and dynamics / / edited by Malcolm D. Forbes |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Hoboken, NJ, : Wiely, c2010 |
| Descrizione fisica | 1 online resource (395 p.) |
| Disciplina | 547.1224 |
| Altri autori (Persone) | ForbesMalcolm D. E. <1960-> |
| Collana | Wiley Series of Reactive Intermediates in Chemistry and Biology |
| Soggetto topico |
Free radicals (Chemistry)
Carbon, Activated Reactivity (Chemistry) Cations |
| ISBN |
9786612490880
9781282490888 1282490885 9780470584118 0470584114 9780470584101 0470584106 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
CARBON-CENTERED FREE RADICALS AND RADICAL CATIONS; CONTENTS; About the Volume Editor; Preface to Series; Introduction; Contributors; 1. A Brief History of Carbon Radicals; 2. Intermolecular Radical Additions to Alkynes: Cascade-Type Radical Cyclizations; 2.1 Introduction; 2.2 Cascade Reactions Involving Radicals of Second Row Elements; 2.2.1 Cascade Reactions Initiated by Addition of C-Centered Radicals to Alkynes; 2.2.2 Cascade Reactions Initiated by Addition of O-Centered Radicals to Alkynes (Self-Terminating Radical Oxygenations)
2.2.3 Cascade Reactions Initiated by Addition of N-Centered Radicals to Alkynes 2.3 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.3.1 Cascade Reactions Initiated by Addition of Sn-Centered Radicals to Alkynes; 2.4 Cascade Reactions Initiated by Addition of Higher Main Group (VI)-Centered Radicals to Alkynes; 2.4.1 Cascade Reactions Initiated by Addition of S-Centered Radicals to Alkynes; 2.4.2 Cascade Reactions Initiated by Addition of Se-Centered Radicals to Alkynes 2.5 Cascade Reactions Initiated by Addition of Higher Main Group (V)-Centered Radicals to Alkynes 2.5.1 Cascade Reactions Initiated by Addition of P-Centered Radicals to Alkynes; 3. Radical Cation Fragmentation Reactions in Organic Synthesis; 3.1 Introduction; 3.1.1 Oxidative Carbon-Carbon Bond Cleavage; 3.1.2 Thermodynamic and Kinetic Considerations; 3.1.3 Reactive Intermediate Lifetime; 3.2 Electron Transfer-Initiated Cyclization Reactions; 3.2.1 Rate Enhancement and Mechanistic Studies; 3.2.2 Development of a Catalytic Aerobic Protocol; 3.2.3 Oxidative Cascade Reactions 3.3 Oxidative Acyliminium Ion Formation 3.4 Carbon-Carbon Bond Formation; 3.4.1 Chemoselectivity and Reactivity; 3.4.2 Reaction Scope; 3.5 Summary and Outlook; 4. Selectivity in Radical Cation Cycloadditions; 4.1 Introduction; 4.2 Mechanism and the Origin of the Rate Acceleration; 4.3 Selectivity in Radical Cation Cycloadditions; 4.4 Chemoselectivity; 4.4.1 Effect of Dienophile Substituents on Chemoselectivity; 4.4.2 Effect of Sensitizers and Solvents on Chemoselectivity; 4.4.3 Effect of Concentrations on Chemoselectivity; 4.4.4 Effect of Electron-Rich Dienophiles on Chemoselectivity 4.5 Regioselectivity 4.6 Periselectivity; 4.6.1 Effects of Solvent and Concentration on Periselectivity; 4.6.2 Effect of Diene/Dienophile Redox Potentials on Periselectivity; 4.6.3 Substituent and Steric Effects on Periselectivity; 4.6.4 Quantifying Periselectivity Through Ion Pair Association; 4.7 Endo/Exo Selectivity; 4.7.1 Effects of Secondary Orbital Interaction and Solvents on Endo/Exo Selectivity; 4.7.2 Effect of Sensitizer on Endo/Exo Selectivity; 4.7.3 Ion Pairs and Endo/Exo Selectivities; 4.8 Conclusions; 5. The Stability of Carbon-Centered Radicals; 5.1 Introduction 5.1.1 The Consequences of Different Stability Definitions: How Stable Are Ethyl and Fluoromethyl Radicals? |
| Record Nr. | UNINA-9910828353703321 |
| Hoboken, NJ, : Wiely, c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Cation binding by humic substances / / Edward Tipping [[electronic resource]]
| Cation binding by humic substances / / Edward Tipping [[electronic resource]] |
| Autore | Tipping Edward <1948-> |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2002 |
| Descrizione fisica | 1 online resource (x, 434 pages) : digital, PDF file(s) |
| Disciplina | 572/.33 |
| Collana | Cambridge environmental chemistry series |
| Soggetto topico |
Humic acid - Derivatives
Cations Ligand binding (Biochemistry) - Mathematical models |
| ISBN |
1-107-11480-2
1-280-42939-9 9786610429394 0-511-17660-0 0-511-03997-2 0-511-15749-5 0-511-32968-7 0-511-53559-7 0-511-05038-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Natural organic matter and humic substances -- Isolation and classification of humic substances -- Formation and decomposition of humic substances -- Chemical and physical properties of humic substances -- Environmental concentrations of humic substances -- Humic substances -- accident or design? -- Environmental solution and surface chemistry -- Solutions and solutes -- Natural particulate matter -- Physico-chemical interactions in environmental aqueous systems -- Equilibrium and kinetics -- Chemical speciation -- Calculation of equilibrium concentrations -- Proton dissociation from weak acids -- Acids and bases -- Buffering -- Kinetics -- Diprotic acids -- Extension to higher polyprotic acids -- Electrostatic interactions among sites -- Proton dissociation from well-defined polymers -- Proton dissociation from humic substances -- Metal-ligand interactions -- Coordination -- Chemical equilibria involving metal ions, protons and simple weak acid ligands -- Multisite ligands -- Electrostatic interactions -- Results with well-defined macromolecules -- Methods for measuring cation binding by humic substances -- The humic sample -- Determination of proton binding by potentiometry -- Analytical determination of acid group contents -- Direct measurement of equilibrium metal binding -- principles -- Separation methods to quantify equilibrium metal binding -- Competition methods -- Electrochemical techniques -- Spectroscopic methods -- Measurement of the kinetics of metal-humic interactions. |
| Record Nr. | UNINA-9910449784903321 |
Tipping Edward <1948->
|
||
| Cambridge : , : Cambridge University Press, , 2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Cation binding by humic substances / / Edward Tipping [[electronic resource]]
| Cation binding by humic substances / / Edward Tipping [[electronic resource]] |
| Autore | Tipping Edward <1948-> |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2002 |
| Descrizione fisica | 1 online resource (x, 434 pages) : digital, PDF file(s) |
| Disciplina | 572/.33 |
| Collana | Cambridge environmental chemistry series |
| Soggetto topico |
Humic acid - Derivatives
Cations Ligand binding (Biochemistry) - Mathematical models |
| ISBN |
1-107-11480-2
1-280-42939-9 9786610429394 0-511-17660-0 0-511-03997-2 0-511-15749-5 0-511-32968-7 0-511-53559-7 0-511-05038-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Natural organic matter and humic substances -- Isolation and classification of humic substances -- Formation and decomposition of humic substances -- Chemical and physical properties of humic substances -- Environmental concentrations of humic substances -- Humic substances -- accident or design? -- Environmental solution and surface chemistry -- Solutions and solutes -- Natural particulate matter -- Physico-chemical interactions in environmental aqueous systems -- Equilibrium and kinetics -- Chemical speciation -- Calculation of equilibrium concentrations -- Proton dissociation from weak acids -- Acids and bases -- Buffering -- Kinetics -- Diprotic acids -- Extension to higher polyprotic acids -- Electrostatic interactions among sites -- Proton dissociation from well-defined polymers -- Proton dissociation from humic substances -- Metal-ligand interactions -- Coordination -- Chemical equilibria involving metal ions, protons and simple weak acid ligands -- Multisite ligands -- Electrostatic interactions -- Results with well-defined macromolecules -- Methods for measuring cation binding by humic substances -- The humic sample -- Determination of proton binding by potentiometry -- Analytical determination of acid group contents -- Direct measurement of equilibrium metal binding -- principles -- Separation methods to quantify equilibrium metal binding -- Competition methods -- Electrochemical techniques -- Spectroscopic methods -- Measurement of the kinetics of metal-humic interactions. |
| Record Nr. | UNINA-9910777080203321 |
|
Tipping Edward <1948->
|
||
| Cambridge : , : Cambridge University Press, , 2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Investigation of proton conductivity of cation-exchanged, sulfonated poly(b-styrene-b-isobutylene-b-styrene) membranes [[electronic resource] /] / Eugene Napadensky
| Investigation of proton conductivity of cation-exchanged, sulfonated poly(b-styrene-b-isobutylene-b-styrene) membranes [[electronic resource] /] / Eugene Napadensky |
| Autore | Napadensky Eugene |
| Pubbl/distr/stampa | Aberdeen Proving Ground, MD : , : Army Research Laboratory, , [2009] |
| Descrizione fisica | 1 online resource (vi, 18 pages) : illustrations (some color) |
| Collana | ARL-TR |
| Soggetto topico |
Ionomers
Polymers Cations |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Investigation of proton conductivity of cation-exchanged, sulfonated poly |
| Record Nr. | UNINA-9910699376503321 |
|
Napadensky Eugene
|
||
| Aberdeen Proving Ground, MD : , : Army Research Laboratory, , [2009] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
