Levacher vincent (7 risultati)
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Da: Revaluation Books, Exeter, Regno UnitoRevaluation Books
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EUR 63,74
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Hardcover. Condizione: Brand New. 173 pages. 9.25x6.25x0.75 inches. In Stock.
Quaternary Ammonium Salts in Organocatalysis
Vitale, Maxime R; Oudeyer, Sylvain; Levacher, Vincent; Briere, Jean-Francois
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Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
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EUR 69,11
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Condizione: New. pp. 100.
Quaternary Ammonium Salts in Organocatalysis
Vitale, Maxime R; Oudeyer, Sylvain; Levacher, Vincent; Briere, Jean-Francois
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Da: Books Puddle, New York, NY, U.S.A.Books Puddle
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Condizione: New. pp. 100.
Radical and Ion-pairing Strategies in Asymmetric Organocatalysis
Vitale, Maxime R; Oudeyer, Sylvain; Levacher, Vincent; Briere, Jean-Francois
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Da: THE SAINT BOOKSTORE, Southport, Regno UnitoTHE SAINT BOOKSTORE
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EUR 71,93
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Hardback. Condizione: New. New copy - Usually dispatched within 4 working days.
Quaternary Ammonium Salts in Organocatalysis
Vitale, Maxime R; Oudeyer, Sylvain; Levacher, Vincent; Briere, Jean-Francois
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Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios
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EUR 77,16
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Condizione: New. pp. 100.
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- Print on Demand
Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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EUR 57,95
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Considering the challenge of sustainability facing our society in the coming decades, catalysis is without any doubt a research area of major importance. In this regard, asymmetric organocatalysis, now considered a pillar of green chemist…ry, deserves particular attention. The first chapter of this volume examines the topic of asymmetric organocatalysis in light of radical chemistry. Recent important progress in this field has been attained by promoting the formation and harnessing the high reactivity of open-shell intermediates. Merging organocatalysis with radical chemistry has been the key to solving some longstanding bottlenecks, and has also significantly contributed to reinforcing the key role of organocatalysis in asymmetric catalysis. This chapter presents the most significant developments in this area, with a particular focus on asymmetric SOMO- and photoredox-organocatalyzed transformations. Chapter 2 focuses on quaternary ammonium salts (R4N+X-), especially chiral derivatives, and their behavior as unique catalysts in organocatalysis. Forming chiral ion-pairs capable of promoting asymmetric reactions, they also operate as unique 'transporters? involved in phase transfer catalytic processes between liquid-liquid or liquid-solid systems. Furthermore, they offer unique opportunities when forming cooperative ion-paired entities R4N+X-, allowing a synergistic implication of the counter-ion X- either as Brønsted bases or Lewis bases. Specific design of such chiral catalysts in modern chemistry and better insight into their mode of activation facilitates efficient and unprecedented chemical transformations. This chapter provides an overview of the use of chiral quaternary ammonium salts in organocatalysis, emphasizing both general mechanistic aspects and the scope of this approach. 184 pp. Englisch.
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- Print on Demand
Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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EUR 65,99
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Buch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Considering the challenge of sustainability facing our society in the coming decades, catalysis is without any doubt a research area of major importance. In this regard, asymmetric organocatalysis, now considered a pillar of green chemistry, d…eserves particular attention. The first chapter of this volume examines the topic of asymmetric organocatalysis in light of radical chemistry. Recent important progress in this field has been attained by promoting the formation and harnessing the high reactivity of open-shell intermediates. Merging organocatalysis with radical chemistry has been the key to solving some longstanding bottlenecks, and has also significantly contributed to reinforcing the key role of organocatalysis in asymmetric catalysis. This chapter presents the most significant developments in this area, with a particular focus on asymmetric SOMO- and photoredox-organocatalyzed transformations. Chapter 2 focuses on quaternary ammonium salts (R4N+X-), especially chiral derivatives, and their behavior as unique catalysts in organocatalysis. Forming chiral ion-pairs capable of promoting asymmetric reactions, they also operate as unique 'transporters? involved in phase transfer catalytic processes between liquid-liquid or liquid-solid systems. Furthermore, they offer unique opportunities when forming cooperative ion-paired entities R4N+X-, allowing a synergistic implication of the counter-ion X- either as Brønsted bases or Lewis bases. Specific design of such chiral catalysts in modern chemistry and better insight into their mode of activation facilitates efficient and unprecedented chemical transformations. This chapter provides an overview of the use of chiral quaternary ammonium salts in organocatalysis, emphasizing both general mechanistic aspects and the scope of this approach.
