Results 21 to 30 of about 27,730 (223)

Efficient Oxidation of Cyclohexane over Bulk Nickel Oxide under Mild Conditions

open access: yesMolecules, 2022
Nickel oxide powder was prepared by simple calcination of nickel nitrate hexahydrate at 500 °C for 5 h and used as a catalyst for the oxidation of cyclohexane to produce the cyclohexanone and cyclohexanol—KA oil. Molecular oxygen (O2), hydrogen peroxide (
Reem S. Alnefaie   +3 more
doaj   +1 more source

Complexation forces in aqueous solution. Calorimetric studies of the association of 2-hydroxypropyl-b-cyclodextrin with monocarboxylic acids or cycloalkanols. [PDF]

open access: yes, 2007
The formation of complexes between 2-hydroxypropyl-b-cyclodextrin and monocarboxylic acids or cycloalkanols has been studied calorimetrically at 298 K in phosphate buffer, pH 11.3. The forces involved in the assocn.
CASTRONUOVO, GIUSEPPINA   +2 more
core   +1 more source

Gold Nanotriangles as Selective Catalysts for Cyclohexanol and Cyclohexanone Production

open access: yesApplied Sciences, 2018
The search for sustainable catalytic oxidation processes remains a challenge. One process of utmost industrial and economic importance is the selective oxidation of cyclohexane, in the route of nylon-6,6 production, which requires urgent improvement ...
Inês A. S. Matias   +4 more
doaj   +1 more source

Aqueous phase partial hydrodeoxygenation of lignin-derived phenols over Al2O3-SiO2 microspheres supported RuMn multifunctional catalyst: Synergic effect among Ru, Mn and Al2O3-SiO2 support

open access: yesCatalysis Communications, 2022
Herein, RuMn/Al2O3-SiO2 multifunctional catalyst was prepared and efficiently converted lignin-derived phenols into cyclohexanol by aqueous partial hydrodeoxygenation (HDO).
Mengting Chen   +5 more
doaj   +1 more source

Isolation and characterization of Alicycliphilus denitrificans strain BC, which grows on benzene with chlorate as the electron acceptor [PDF]

open access: yes, 2008
A bacterium, strain BC, was isolated from a benzene-degrading chlorate-reducing enrichment culture. Strain BC degrades benzene in conjunction with chlorate reduction.
Broeke, H., ten   +8 more
core   +2 more sources

Tuning a bi-enzymatic cascade reaction in Escherichia coli to facilitate NADPH regeneration for ε-caprolactone production

open access: yesBioresources and Bioprocessing, 2021
ε-Caprolactone is a monomer of poly(ε-caprolactone) which has been widely used in tissue engineering due to its biodegradability and biocompatibility.
Jinghui Xiong   +6 more
doaj   +1 more source

Ionic conductivity and relaxation dynamics in plastic-crystals with nearly globular molecules

open access: yes, 2020
We have performed a dielectric investigation of the ionic charge transport and the relaxation dynamics in plastic-crystalline 1-cyano-adamantane (CNA) and in two mixtures of CNA with the related plastic crystals adamantane or 2-adamantanon.
Loidl, A.   +3 more
core   +1 more source

Reactive organoallyl species generated from aryl halides and allene: allylation of alpha,beta-unsaturated aldehydes and cyclic ketones employing Pd/In transmetallation processes [PDF]

open access: yes, 2008
Allylation of α,β-unsaturated aldehydes and cyclic ketones promoted by Pd/In transmetallation processes has been studied. The unsaturated aldehydes underwent regioselective 1,2-addition to afford secondary homoally alcohols.
Anwar   +56 more
core   +2 more sources

Merging Biocatalysis and Chemocatalysis in Flow: State‐of‐the‐Art and Future Directions for Sustainable Synthesis

open access: yesAngewandte Chemie, EarlyView.
This review highlights recent advances in integrating biocatalysis and chemocatalysis in continuous flow to create streamlined, sustainable processes. It examines chemo‐enzymatic cascades combining at least one enzymatic and one chemical step, discusses challenges such as enzyme immobilization, leaching, and reactor clogging, and presents solutions ...
Petros Siasiaridis   +2 more
wiley   +2 more sources

Simple and Green Adipic Acid Synthesis from Cyclohexanone and/or Cyclohexanol Oxidation with Efficient (NH4)xHyMzPMo12O40 (M: Fe, Co, Ni) Catalysts

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2018
The oxidation of cyclohexanone and/or cyclohexanol to adipic acid (AA) was performed at 90 °C with a reaction time of 20 h, in the presence of H2O2 as oxidant and transition metal substituted ammonia polyoxometalates of formula, (NH4)xHyMzPMo12O40 (M: Fe,
Sihem Mouanni   +5 more
doaj   +1 more source

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