Heterogeneous asymmetric reactions, 14. Epicinchona alkaloids in the enantioselective hydrogenation of ethyl pyruvate over Pt/alumina. What determines the sense of enantioselection? (original) (raw)

Origin of Proposed Mechanistic Models in Heterogeneous Catalytic Enantioselective Hydrogenation of Pyruvates Comes from the Conformation Properties of Internal Rotation of Cinchona Alkaloids

Sándor Kristyán

The Journal of Physical Chemistry C, 2009

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Unexpected Inversion of Enantioselectivity During the Hydrogenation of Ethyl Pyruvate Using Hydroquinine and Hydroquinidine Modified Pt/Al 2 O 3

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Catalysis Letters, 2006

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Enantioselective hydrogenation of ethyl pyruvate catalysed by cinchonine-modified Pt/Al2O3: tilted adsorption geometry of cinchonine

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Catalysis Letters, 2005

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Heterogeneous asymmetric reactions. 23. Enantioselective hydrogenation of ethyl pyruvate over cinchonine-and α-isocinchonine-modified platinum catalysts

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Enantioselective hydrogenation of ethyl pyruvate over cinchonidine-Pt/Al2O3 catalyst. A reaction kinetic approach

Ernő Tfirst

2006

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Enhanced Enantioselectivity in Ethyl Pyruvate Hydrogenation Due to Competing Enantioselective Aldol Reaction Catalyzed by Cinchonidine

Alfons Baiker

Journal of Catalysis, 2000

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Asymmetric Hydrogenation of Ethyl Pyruvate: Relationship between Conversion and Enantioselectivity

Carl LeBlond

Journal of Catalysis, 1996

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Dimer formation of cinchonidine in liquid phase: relevance to the heterogeneous catalytic enantioselective hydrogenation of ethyl pyruvate

Emília Tálas, Sándor Kristyán

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Hydrogenation of cinchona alkaloids over supported Pt catalyst

György Szöllösi

Chirality, 2003

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Enantioselective heterogeneous catalysis I. A working model for the catalyst:modifier:substrate interactions in chiral pyruvate hydrogenations

Lisa Doyle

Tetrahedron: Asymmetry, 1993

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Electrospray Ionization–Mass Spectrometry in the Enantioselective Hydrogenation of Ethyl Pyruvate Catalyzed by Dihydrocinchonidine Modified Pt/Al2O3 in Acetic Acid

György Szöllösi

Journal of Catalysis, 2002

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Use of (S)-(+)-1-aminoindan, (S)-(+)-1-indanol and (1R, 2S)-(+)-cis-1-amino-2-indanol as chiral modifiers in the enantioselective hydrogenation of ethyl pyruvate with Pt/SiO2 catalysts

Mónica Casella

Catalysis Today, 2008

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Enantioselective hydrogenation of ethyl pyruvate catalyzed by α- and β-isocinchonine-modified Pt/Al 2O 3 in toluene: inversion of enantioselectivity

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Journal of Catalysis, 2005

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Enantioselective Hydrogenation of Ethyl Pyruvate Catalyzed by 1,2-Diphenyl-ethylenediamine-Modified Iridium Complex: Effect of Solvent

Alain Roucoux

Asian Journal of Chemistry, 2014

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Model of Reactant–Modifier Interaction in Enantioselective Hydrogenation of Ethyl Pyruvate on Platinum–Cinchona Catalysts: Extension to Synthetic Chiral Modifiers

Alfons Baiker

Journal of Catalysis, 2001

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Asymmetric hydrogenation on platinum: nonlinear effect of coadsorbed cinchona alkaloids on enantiodifferentiation

Alfons Baiker

Journal of Catalysis, 2003

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Asymmetric Hydrogenation of Ethyl Pyruvate: Diffusion Effects on Enantioselectivity

Carl LeBlond

Journal of Catalysis, 1996

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Effect of achiral condensed aromatic additives on the enantioselective hydrogenation of ethyl pyruvate over cinchonidine-platinum catalysts

Emília Tálas

Catalysis Communications, 2008

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Enantiopure aryl-[1,2,5,6-tetrahydro-pyridinyl] methanols and their use for heterogeneous hydrogenation of ethyl pyruvate

Arlette Solladié-Cavallo

Comptes Rendus Chimie, 2007

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Heterogeneous asymmetric reactions. Part 24. Heterogeneous catalytic enantioselective hydrogenation of the C=N group over cinchona alkaloid modified palladium catalyst

György Szöllösi

Chirality, 2001

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Heterogeneous Enantioselective Hydrogenation in a Continuous-flow Fixed-bed Reactor System: Hydrogenation of Activated Ketones and Their Binary Mixtures on Pt–Alumina–Cinchona Alkaloid Catalysts

György Szöllösi

Catalysis Letters

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Donor–acceptor interactions in the enantioselective hydrogenation of α-ketoesters

Fabio Passos

Journal of Molecular Catalysis A: Chemical, 2005

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Alumina-catalysed degradation of ethyl pyruvate during enantioselective hydrogenation over Pt/alumina and its inhibition by acetic acid

Alfons Baiker

Applied Catalysis A: General, 2006

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Hydrogenation of 1-phenyl-1,2-propanedione over Pt catalysts modified by cinchona alkaloid O-ethers and the kinetic resolution of the 1-hydroxyketones generated

D. Yu. Murzin

Journal of Catalysis, 2008

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Model for Enantioselective Hydrogenation of α-Ketoesters over Chirally Modified Platinum Revisited: Influence of α-Ketoester Conformation

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Heterogeneous Enantioselective Hydrogenation over Cinchona Alkaloid Modified Platinum: Mechanistic Insights into a Complex Reaction

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Accounts of Chemical Research, 2004

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Enantioselective Hydrogenation Using Cinchona-Modified Pt/ -Al 2 O 3 Catalysts: Comparison of the Reaction of Ethyl Pyruvate and Buta-2,3-dione

David Willock

Catalysis Letters, 2000

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Hydrogenation of α-ketoesters and ketopantolactone on rhodium modified by cinchona and isocinchona alkaloids

Fatos Hoxha

Journal of Catalysis, 2007

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Heterogeneous asymmetric reactions

Bela Torok

Applied Catalysis A: General, 2000

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Inversion of Enantioselectivity for the Hydrogenation of Ethyl Pyruvate In the Gas-Phase Over Pt/SiO2 Modified With Derivatives of Hydroquinidine

salem bawaked

Journal of Catalysis, 2006

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The role of cinchona alkaloids in enantioselective hydrogenation reactions: are they modifiers or hosts involved in supramolecular heterogeneous catalysis?

József Margitfalvi, Ernő Tfirst, Emília Tálas

Applied Catalysis A: General, 2000

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Solvent and support effects in the case of acetic acid and alumina: Oxonium cations in asymmetric hydrogenation of ethyl pyruvate over dihydrocinchonidine modified platinum

György Szöllösi

Catalysis Communications, 2001

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