Articles with "epoxidation" as a keyword



In Situ Nucleation‐Decoupled and Site‐Specific Incorporation of Å‐Scale Pores in Graphene Via Epoxidation (Adv. Mater. 51/2022)

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202270353

Abstract: Generating pores in graphene by decoupled nucleation and expansion is desired to achieve a fine control over the porosity, and is desired to advance several applications. Herein, we introduce epoxidation, the formation of nanosized epoxy… read more here.

Keywords: scale pores; nucleation; epoxidation; site ... See more keywords

Mn(III)‐salan/graphene oxide/magnetite nanocomposite as a highly selective catalyst for aerobic epoxidation of olefins

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3554

Abstract: A nanocomposite was synthesized using carbon-coated Fe3O4 nanoparticle-decorated reduced graphene oxide as a convenient and efficient supporting material for grafting of a manganese–reduced Schiff base (salan) complex via covalent attachment. The nanocomposite was characterized using… read more here.

Keywords: graphene oxide; catalyst aerobic; aerobic epoxidation; epoxidation ... See more keywords

Covalent supporting of novel dioxo‐molybdenum tetradentate pyrrole‐imine complex on Fe3O4 as high‐efficiency nanocatalyst for selective epoxidation of olefins

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3804

Abstract: A novel Mo(VI) tetradentate Schiff base complex based on two pyrrole-imine donors was anchored covalently on Fe3O4 nanoparticles and characterized using physicochemical techniques. The catalytic epoxidation process was optimized in terms of the effects of… read more here.

Keywords: covalent supporting; pyrrole imine; epoxidation; tetradentate ... See more keywords

Chemical Titration of Promoted Ag/α‐Al2O3 Ethylene Epoxidation Catalysts

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Published in 2023 at "ChemCatChem"

DOI: 10.1002/cctc.202300329

Abstract: We enumerate the active site density for a promoted Ag/α‐Al2O3 ethylene epoxidation catalyst (35 wt.% Ag) by using trifluoroethanol as a chemical titrant. Trifluoroethanol, when introduced into the reactant stream, deprotonates to deposit stable trifluoroethoxy or… read more here.

Keywords: epoxidation; ethylene epoxidation; promoted al2o3; site ... See more keywords

Electron Relay Boosts Ruthenium‐Laccase System Photo‐Epoxidation

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Published in 2025 at "ChemCatChem"

DOI: 10.1002/cctc.202501086

Abstract: We report here the light‐driven oxidation of olefin to epoxide using a [Ru(bipyridine)3]2+/laccase (RuII/LAC3)‐based system, enhanced by the presence of methyl viologen (MV2+) as an electron relay. This approach leads to a fivefold increase in… read more here.

Keywords: electron relay; laccase; system; epoxidation ... See more keywords

Polymeric Carbon Nitride‐Photocatalyzed Aerobic Epoxidation of Alkenes: Application to a Sustainable Synthesis of Rose Oxide

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Published in 2025 at "Chemsuschem"

DOI: 10.1002/cssc.202500934

Abstract: A urea‐based pristine polymeric carbon nitride catalyzes the aerobic epoxidation of citronellol under visible light irradiation with low‐power blue LEDs. Formation of 6,7‐epoxycitronellol in this reaction is remarkably selective yet relatively slow requiring 72 h of… read more here.

Keywords: aerobic epoxidation; photocatalyzed aerobic; carbon nitride; epoxidation ... See more keywords

Chemistry and Catalytic Performance of Pyridyl‐Benzimidazole Oxidomolybdenum(VI) Compounds in (Bio)Olefin Epoxidation

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Published in 2017 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201700286

Abstract: The chemistry and catalytic performance of the dichlorido complex [MoO2Cl2(pbim)] (1) [pbim = 2-(2-pyridyl)-benzimidazole] in the epoxidation of olefins is reported. Complex 1 acts as a precatalyst and is more effective with tert-butylhydroperoxide (TBHP) as… read more here.

Keywords: chemistry catalytic; pyridyl benzimidazole; chemistry; epoxidation ... See more keywords

Epoxidation of CNSL Mixture, Cardanol, and Cardol: A Sustainable Solution for PVC Plasticization

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Published in 2025 at "European Journal of Lipid Science and Technology"

DOI: 10.1002/ejlt.70084

Abstract: Epoxidation is an effective method for enhancing the plasticizing properties of biobased oils for the plasticization of poly(vinyl chloride) (PVC), among other applications. Epoxy groups not only increase the affinity with PVC but also enhance… read more here.

Keywords: pvc; cardanol cardol; cnsl; plasticization ... See more keywords

In Silico Prediction of Metabolic Epoxidation for Drug-like Molecules via Machine Learning Methods.

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Published in 2020 at "Molecular informatics"

DOI: 10.1002/minf.201900178

Abstract: Epoxidation is one of the reactions in drug metabolism. Since epoxide metabolites would bind with proteins or DNA covalently, drugs should avoid epoxidation metabolism in the body. Due to the instability of epoxide, it is… read more here.

Keywords: machine learning; drug; epoxidation; learning methods ... See more keywords

Modeling and Ulam–Hyers stability analysis of oleic acid epoxidation by using a fractional‐order kinetic model

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Published in 2024 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.10510

Abstract: Government initiatives, price cuts, and innovations in technology have caused a shift in the world's raw material consumption towards renewable materials. The polymer industry has shown particular interest in studies on more environmentally friendly epoxidation… read more here.

Keywords: oleic acid; epoxidation; kinetic model; fractional order ... See more keywords
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Manganes-Porphyrin as Efficient Enantioselective Catalyst for Aerobic Epoxidation of Olefins

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Published in 2018 at "Catalysis Letters"

DOI: 10.1007/s10562-018-2447-8

Abstract: A chiral manganese porphyrin, [Mn(TCPP-Ind)Cl], was synthesized using cis-1-amino-2-indanol substituent. It showed remarkable catalytic activity and enantioselectivity in the epoxidation of olefins with O2/RCHO. Terminal olefins and styrene derivatives were successfully oxidized (> 99% ee). TON… read more here.

Keywords: manganes porphyrin; efficient enantioselective; epoxidation; enantioselective catalyst ... See more keywords