Articles with "oxidative cleavage" as a keyword



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Simultaneous Oxidative Cleavage of Lignin and Reduction of Furfural via Efficient Electrocatalysis by P‐Doped CoMoO4

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202208284

Abstract: Electrochemical oxidative lignin cleavage and coupled 2‐furaldehyde reduction provide a promising approach for producing high‐value added products. However, developing efficient bifunctional electrocatalysts with noble‐metal‐like activity still remains a challenge. Here, an efficient electrochemical strategy is… read more here.

Keywords: lignin; cleavage; oxidative cleavage; simultaneous oxidative ... See more keywords
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Transition-Metal-Free Unusual Oxidative Cleavage of Homoallylic Alcohol and Its Application in the Upcycling of Terpene to Value-Added Chemicals.

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Published in 2023 at "ChemSusChem"

DOI: 10.1002/cssc.202202387

Abstract: A NaOtBu-O2-mediated oxidative dehomologation of homoallylic alcohols into structurally different carboxylic acids through direct oxidative cleavage of either the C(sp2)-C(sp2) or C(sp3)-C(sp3) bond utilizing enolate chemistry was demonstrated. Furthermore, under transition-metal-free conditions, this protocol has… read more here.

Keywords: metal free; transition metal; value added; added chemicals ... See more keywords
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Mn-MIL-100 heterogeneous catalyst for the selective oxidative cleavage of alkenes to aldehydes

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Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2017.08.017

Abstract: Abstract Four MIL metal organic framework materials with large surface area and high stability were utilized as heterogeneous catalysts in the selective oxidation of styrene with tert-butylhydroperoxide (70% aqueous) as an oxidant in acetonitrile. Mn-MIL-100… read more here.

Keywords: oxidative cleavage; catalyst selective; 100 heterogeneous; mil 100 ... See more keywords
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Catalytic performance of TS-1 in oxidative cleavage of 1-alkenes with H2O2

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Published in 2019 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2019.04.021

Abstract: Abstract Trace dimethoxymethane (DMM) was formed by aldol condensation of formaldehyde with methanol in industrial propene oxide production via a hydrogen peroxide (HPPO process). Probing the behaviour of catalytic action in oxidative cleavage reaction of… read more here.

Keywords: cleavage; alkenes h2o2; catalytic performance; cleavage alkenes ... See more keywords
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Carbon black-polydopamine-ruthenium composite as a recyclable boomerang catalyst for the oxidative cleavage of oleic acid

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Published in 2022 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131820

Abstract: Abstract A new composite heterogeneous catalytic system is proposed for the transformation of cheap unsaturated fatty acids into value-added molecules through their oxidative cleavage. The valorization of oleic acid to azelaic and pelargonic ones (which… read more here.

Keywords: catalyst; carbon black; oxidative cleavage; reaction ... See more keywords
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Renewable gasoline production from oleic acid by oxidative cleavage followed by decarboxylation

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Published in 2018 at "Renewable Energy"

DOI: 10.1016/j.renene.2018.01.107

Abstract: Abstract Hydrocarbons in a range of the renewable gasoline chain-length were produced by oxidative cleavage of unsaturated fatty acid, oleic acid, followed by decarboxylation. The effects of the emulsifier, concentration of oxidizing agent, reaction temperature,… read more here.

Keywords: decarboxylation; renewable gasoline; oleic acid; oxidative cleavage ... See more keywords
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Fluorescence sensing of peracetic acid by oxidative cleavage of phenylselenyl ether of 4-hydroxynaphthalimide

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Published in 2018 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2018.02.048

Abstract: Abstract A new fluorescent probe for the selective detection of industrially important peracetic acid (PAA) was developed via oxidative cleavage of the phenylselenyl ether derivative of the 4-hydroxynaphthalimide. The probe showed no noticeable changes towards… read more here.

Keywords: oxidative cleavage; phenylselenyl ether; cleavage phenylselenyl; peracetic acid ... See more keywords
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Insertion of 4-Demethylwyosine in tRNAPhe Catalyzed by the Radical S-Adenosyl-l-methionine Enzyme TYW1 Entails Oxidative Cleavage of Pyruvate to Form CO2.

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Published in 2022 at "Biochemistry"

DOI: 10.1021/acs.biochem.2c00519

Abstract: The radical S-adenosyl-l-methionine (SAM) enzyme TYW1 catalyzes the condensation of C-2 and C-3 atoms of pyruvate with N-methylguanosine containing tRNAPhe to form 4-demethylwyosine (imG-14) modified tRNAPhe. The fate of C-1 is not known, and either… read more here.

Keywords: oxidative cleavage; enzyme tyw1; adenosyl methionine; tyw1 ... See more keywords
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Short Synthesis of Oxetane and Azetidine 3-Aryl-3-carboxylic Acid Derivatives by Selective Furan Oxidative Cleavage.

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Published in 2020 at "Organic letters"

DOI: 10.1021/acs.orglett.0c01214

Abstract: Four-membered rings remain underexplored motifs despite offering attractive physicochemical properties for medicinal chemistry. Arylacetic acids bearing oxetanes, azetidines, and cyclobutanes are prepared in two steps: a catalytic Friedel-Crafts reaction from four-membered ring alcohol substrates, followed… read more here.

Keywords: oxidative cleavage; synthesis oxetane; cleavage; short synthesis ... See more keywords
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Oxidative Cleavage of Glycosidic Bonds by Synthetic Mimics of Lytic Polysaccharide Monooxygenases.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c01312

Abstract: Lytic polysaccharide monooxygenases (LPMOs) cleave polysaccharides through copper-bound oxyl radicals. We report a synthetic mimic of LPMO that uses micelle-stabilized hydrogen bonds to bind a glycan and two molecularly imprinted hydrophobic pockets to accommodate the… read more here.

Keywords: lytic polysaccharide; glycosidic bonds; oxidative cleavage; cleavage glycosidic ... See more keywords
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Electrochemical Oxidative Cleavage of Alkynes to Carboxylic Acids.

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Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.2c04204

Abstract: A sustainable method for converting terminal alkynes into their corresponding carboxylic acids is reported using synthetic electrolysis in an undivided cell at room temperature. This protocol, avoiding transition metal catalysis and stoichiometric chemical oxidants, tolerates… read more here.

Keywords: alkynes carboxylic; carboxylic acids; cleavage alkynes; oxidative cleavage ... See more keywords