Coupled Immobilized Amine Dehydrogenase and Glucose Dehydrogenase for Asymmetric Synthesis of Amines by Reductive Amination with Cofactor Recycling
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DOI: 10.1002/cctc.201601446
Abstract: The amine dehydrogenase (AmDH) engineered from the phenylalanine dehydrogenase of Rhodococcus sp. M4 was directly immobilized on magnetic nanoparticles (MNP) from the cell‐free extract containing his‐tagged AmDH through affinity attachment to give AmDH‐MNPs with high… read more here.
Keywords: dehydrogenase; glucose dehydrogenase; amdh; reductive amination ... See more keywords
Hydrogenation and Reductive Amination of Aldehydes using Triphos Ruthenium Catalysts
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DOI: 10.1002/cctc.201701450
Abstract: An air‐stable and readily accessible ruthenium dihydride complex catalyses aldehyde hydrogenation under neutral conditions. A high activity has been shown in a number of examples, and solvent‐free conditions are also applicable, which favours industrial‐scale applications.… read more here.
Keywords: ruthenium; aldehydes using; hydrogenation reductive; reductive amination ... See more keywords
Catalytic One‐Pot Reductive Amination of Carboxylic Acids
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DOI: 10.1002/cctc.202301427
Abstract: The broad applications of primary alkyl amines in various fields have spurred extensive interests in synthetic organic chemistry. Recently, the reductive amination of carboxylic acids has become an attractive and practical strategy for synthesizing primary… read more here.
Keywords: reductive amination; one pot; catalytic one; amination carboxylic ... See more keywords
Silica‐Grafted Isonicotinamide to Boost Catalytic Activity of Cobalt Nanoparticles in Hydrogenation and Reductive Amination Reactions
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DOI: 10.1002/cctc.202400857
Abstract: The functionalization of silica supports with isonicotinamide (NIC) facilitated the stabilization of small (3.5 nm), spherical cobalt nanoparticles (CoNPs) used in catalytic hydrogenation. Various silica matrices, including amorphous, mesoporous, and non‐porous ones, were synthesized and post‐grafted… read more here.
Keywords: cobalt; reductive amination; silica; cobalt nanoparticles ... See more keywords
A Homogeneous Nickel Catalyst for Reductive Amination of γ‐Keto Acids using Hydrogen
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DOI: 10.1002/cctc.202400987
Abstract: The reductive amination of levulinic and 2‐acetyl benzoic acids with hydrogen and various amines proceeds efficiently in the presence of a homogeneous Ni/triphos‐catalyst. The reaction rate of the overall process is significantly enhanced using 3,3,3‐trifluoroethanol… read more here.
Keywords: catalyst reductive; reductive amination; nickel catalyst; homogeneous nickel ... See more keywords
Exploring the Mechanisms and Kinetic Modeling of Phenol Amination Using Pd and Rh‐Based Catalysts
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DOI: 10.1002/cctc.202401476
Abstract: Producing biomass‐derived chemicals to substitute their petrochemical counterparts has long been an aspiration of the green chemistry research community. However, synthesizing secondary amines from biomass precursors presents several challenges related to catalyst nature and the… read more here.
Keywords: modeling phenol; reductive amination; mechanisms kinetic; amination ... See more keywords
Biocatalytic Reductive Amination for In Vitro Biosynthesis of the Amaryllidaceae Alkaloid Precursor
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DOI: 10.1002/cctc.202401811
Abstract: Amaryllidaceae alkaloids (AAs) are plant‐derived natural compounds with diverse bioactivities. To biosynthesize AAs, 4′‐O‐methylnorbelladine (4′‐MB) is a key precursor that is first formed by C–N coupling between tyramine and 3,4‐dihydroxybenzaldehyde catalyzed by a NADPH‐dependent reductase.… read more here.
Keywords: system; reductive amination; biocatalytic reductive; precursor ... See more keywords
Microwave-Assisted Reductive Amination of Aldehydes and Ketones Over Rhodium-Based Heterogeneous Catalysts.
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DOI: 10.1002/cplu.202300017
Abstract: Microwave (MW)-assisted reductive aminations of aldehydes and ketones were carried out in the presence of commercial and homemade heterogeneous Rh-based catalysts. Ultrasound (US) was used to improve dispersion and stability of metal nanoparticles, while commercial… read more here.
Keywords: assisted reductive; heterogeneous catalysts; carbon; microwave assisted ... See more keywords
A Multiphase Protocol for Selective Hydrogenation and Reductive Amination of Levulinic Acid with Integrated Catalyst Recovery.
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DOI: 10.1002/cssc.201900925
Abstract: At 60-150 °C and 15-35 bar H2 , two model reactions of levulinic acid (LA), hydrogenation and reductive amination with cyclohexylamine, were explored in a multiphase system composed of an aqueous solution of reactants, a hydrocarbon, and… read more here.
Keywords: levulinic acid; hydrogenation reductive; reductive amination; amination ... See more keywords
Recent catalytic advances on the sustainable production of primary furanic amines from the one-pot reductive amination of 5-hydroxymethylfurfural.
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DOI: 10.1002/cssc.202201846
Abstract: 5-Hydroxymethylfurfural (5-HMF) represents a well-known class of lignocellulosic biomass-derived platform molecules. With the presence of many reactive functional groups in the structure, this versatile building block could be valorized into a plenty of value-added products.… read more here.
Keywords: furanic amines; primary furanic; reductive amination; hmf ... See more keywords
Synthesis of Dimer Fatty Acid Methyl Esters by Catalytic Oxidation and Reductive Amination : An Efficient Route to Branched Polyamides
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DOI: 10.1002/ejlt.201700350
Abstract: A novel and versatile route towards dimer fatty acid methyl esters (dimer FAMEs) via catalytic oxidation and reductive amination is described. The oxyfunctionalization of mono-unsaturated FAMEs bearing different chain lengths (C11, C18, C22) was accomplished… read more here.
Keywords: fatty acid; dimer fatty; dimer; reductive amination ... See more keywords