Articles with "aldol condensation" as a keyword



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Cyclopentanone as an Alternative Linking Reactant for Heterogeneously Catalyzed Furfural Aldol Condensation

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201601655

Abstract: The use of cyclopentanone, instead of acetone, in the synthesis of diesel precursors by furfural aldol condensation is proposed. This reaction is catalyzed by a magnesium–zirconium mixed oxide. To optimize the C15 selectivity, different temperatures… read more here.

Keywords: cyclopentanone alternative; furfural aldol; cyclopentanone; aldol condensation ... See more keywords
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Synthesis and computational investigation of novel antioxidants prepared by oxidative depolymerization of lignin and aldol condensation of aromatic aldehydes.

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Published in 2023 at "ChemSusChem"

DOI: 10.1002/cssc.202300208

Abstract: Novel antioxidants were synthesized by CuSO4 catalyzed oxidative depolymerization of lignin to form aromatic aldehydes followed by aldol condensation with methyl ethyl ketone (MEK). Aldol condensation was found to greatly improve the antioxidation ability of… read more here.

Keywords: oxidative depolymerization; lignin; novel antioxidants; aldol condensation ... See more keywords
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In situ ATR-IR studies in aqueous phase reforming of hydroxyacetone on Pt/ZrO2 and Pt/AlO(OH) catalysts: The role of aldol condensation

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.03.090

Abstract: Abstract In situ Attenuated Total Reflection Infrared (ATR-IR) spectroscopy was used to study Aqueous Phase Reforming of hydroxyacetone on Pt/AlO(OH) and Pt/ZrO2 catalysts at 230 °C/ 30 bar. Formation of strongly adsorbed aldol condensation products was observed… read more here.

Keywords: aqueous phase; alo; zro2; condensation ... See more keywords
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Improving stability of cyclopentanone aldol condensation MgO-based catalysts by surface hydrophobization with organosilanes

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.06.044

Abstract: Abstract Cyclopentanone is a promising building block in the conversion of biomass to fuels. It can be readily obtained from furanics derived from biomass and can be converted to intermediate products in the molecular weight… read more here.

Keywords: mgo based; cyclopentanone; condensation; aldol condensation ... See more keywords
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Preparation of chemically uniform and monodisperse microparticles as highly efficient solid acid catalysts for aldol condensation

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Published in 2018 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2017.09.052

Abstract: Abstract Highly active heterogeneous catalysts are in high demand, but realizing an efficient heterogeneous catalyst with uniform active sites remains challenging. In this study, we present a facile preparation of carboxylic acid-incorporated monodisperse microparticles (COOH-MPs)… read more here.

Keywords: solid acid; aldol condensation; cooh mps; acid catalysts ... See more keywords
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Production of liquid fuel intermediates from furfural via aldol condensation over potassium-promoted Sn-MFI catalyst

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Published in 2019 at "Fuel"

DOI: 10.1016/j.fuel.2018.10.094

Abstract: Abstract Liquid fuel intermediates can be produced via aldol condensation reactions between furfural and acetone. It was found that potassium-promoted Lewis acid zeolite Sn-MFI performed superior catalytic performance for C C bond coupling by aldol… read more here.

Keywords: condensation; aldol condensation; mfi catalyst; liquid fuel ... See more keywords

BiPO4 decorated with Ni–Fe layered double hydroxide as a highly efficient and reusable heterogeneous catalyst for aldol condensation in green solvent

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2020.123327

Abstract: Abstract BiPO4 decorated with Ni–Fe Layered double hydroxide (BiPO4@Ni–Fe LDH) was synthesized and applied as a catalyst for aldol condensation of carbonyl compounds and aldehydes with good yield in glycerin as a green solvent. The… read more here.

Keywords: catalyst aldol; bipo4 decorated; aldol condensation;
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Efficient synthesis of dibenzazepine lactams via a sequential Pd-catalyzed amination and aldol condensation reaction

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Published in 2020 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2019.151536

Abstract: Abstract A simple and efficient reaction was developed for the synthesis of dibenzazepine lactam derivatives. The core 7-membered azepine ring was formed by a stepwise sequence involving a palladium-catalyzed amination and an aldol condensation. read more here.

Keywords: synthesis dibenzazepine; amination aldol; reaction; catalyzed amination ... See more keywords

HZSM-35 zeolite catalyzed aldol condensation reaction to prepare acrylic acid and its ester: Effect of its acidic property

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Published in 2018 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(18)63145-6

Abstract: Abstract Acrylic acid (AA) and its ester, methyl acrylate (MA), were produced by a green one-step aldol condensation reaction of dimethoxymethane and methyl acetate. The reaction was conducted over ZSM-35 zeolites with different concentrations of… read more here.

Keywords: zeolite; acrylic acid; condensation reaction; reaction ... See more keywords
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Highly efficient Nb2O5 catalyst for aldol condensation of biomass-derived carbonyl molecules to fuel precursors

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Published in 2019 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(19)63371-1

Abstract: Abstract Aldol condensation is of significant importance for the production of fuel precursors from biomass-derived chemicals and has received increasing attention. Here we report a Nb 2 O 5 catalyst with excellent activity and stability… read more here.

Keywords: carbonyl molecules; derived carbonyl; condensation; aldol condensation ... See more keywords
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Highly Selective MOF-Based Turn-Off Luminescence Detection of Hg2+ Ions in an Aqueous Medium and Its Dual Functional Catalytic Activity toward Aldol Condensation and β-Enamination Reactions.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c03679

Abstract: A new organic ligand, 5-(carboxyformamido)isophthalic acid (5-CFIA), was prepared and employed for the synthesis of two compounds [M3(C10H4O7N1)2(8H2O)]·H2O (M = Cd, Mn). The compounds have three-dimensionally extended structures. Both the compounds were found to be… read more here.

Keywords: hg2 ions; aldol condensation; detection hg2;