Articles with "hydrogenation ketones" as a keyword



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Ambient-pressure highly active hydrogenation of ketones and aldehydes catalyzed by a metal-ligand bifunctional iridium catalyst under base-free conditions in water

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Published in 2021 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2021.04.023

Abstract: Abstract A green, efficient, and high active catalytic system for the hydrogenation of ketones and aldehydes to produce corresponding alcohols under atmospheric-pressure H2 gas and ambient temperature conditions was developed by a water-soluble metal-ligand bifunctional… read more here.

Keywords: water; catalyst; metal ligand; hydrogenation ketones ... See more keywords
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Orientation towards asymmetric transfer hydrogenation of ketones catalyzed by (pyrazolyl)ethyl)pyridine Fe(II) and Ni(II) complexes

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Published in 2017 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2017.01.068

Abstract: Abstract Compounds 2-[1-(3,5-dimethylpyrazol-1-yl)ethyl]pyridine (L1) and 2-[1-(3,5-diphenylpyrazol-1-yl)ethyl]pyridine (L2) were obtained in a three-step procedure which involved the reduction of acetylpyridine using NaBH4, chlorination of the alcohol intermediate using SOCl2 and subsequent reaction with appropriate pyrazoles. Reactions… read more here.

Keywords: orientation towards; pyridine; transfer hydrogenation; ethyl pyridine ... See more keywords
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Ambient-pressure hydrogenation of ketones and aldehydes by a metal-ligand bifunctional catalyst [Cp*Ir(2,2′-bpyO)(H2O)] without using base

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Published in 2019 at "Tetrahedron"

DOI: 10.1016/j.tet.2019.07.021

Abstract: Abstract An efficient catalytic system for hydrogenation of ketones and aldehydes using a Cp*Ir complex [Cp*Ir(2,2′-bpyO)(H2O)] bearing a bipyridine-based functional ligand as catalyst has been developed. A wide variety of secondary and primary alcohols were… read more here.

Keywords: catalyst; hydrogenation ketones; bpyo h2o; ketones aldehydes ... See more keywords
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Manganese Catalyzed Asymmetric Transfer Hydrogenation of Ketones Using Chiral Oxamide Ligands

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Published in 2019 at "Synlett"

DOI: 10.1055/s-0037-1611669

Abstract: The asymmetric transfer hydrogenation of ketones using isopropyl alcohol (IPA) as hydrogen donor in the presence of novel manganese catalysts is explored. The selective and active systems are easily generated in situ from [MnBr(CO)5] and… read more here.

Keywords: ketones using; transfer hydrogenation; hydrogenation ketones; asymmetric transfer ... See more keywords
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Hydrogenation of Ketones and Esters Catalyzed by Pd/C‒SiO2

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Published in 2018 at "Russian Journal of General Chemistry"

DOI: 10.1134/s1070363218020032

Abstract: Hydrogenation of unsaturated ketones and esters with molecular hydrogen on the 5%Pd/C‒SiO2 heterogeneous catalyst has been studied. The reaction direction and yield are determined by the starting compounds structure. Hydrogenation of unsaturated ketones containing phenyl… read more here.

Keywords: ketones esters; catalyzed sio2; hydrogenation; hydrogenation unsaturated ... See more keywords