Oxidation of alcohols by electrochemically regenerated nickel oxide hydroxide. Selective oxidation of hydroxysteroids

Kaulen, Johannes; Schäfer, Hans‐J.

doi:10.1016/0040-4020(82)80110-5

Cited by 106 publications

(70 citation statements)

References 39 publications

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“…Thus, Schaefer and Kaulen described the formation of PA as a product in the electrooxidation of PGA at NiOOH electrodes in a 1 M NaOH solution at temperatures below 5 ºC [2,3]. In our previous study we have reported the formation of PPA for the electrooxidation carried out at room temperature [23].…”

Section: Preparative Electrolysesmentioning

confidence: 99%

“…In contrast, few studies have focused on the performance of Ni(OH) 2 /NiOOH couples in the electrooxidation of unsaturated alcohols (i.e., alken-1-ols or alkyn-1-ols) [1,3,23]. In this regard, our recent investigations have reported the electrooxidation of propargyl alcohol (PGA) at a NiOOH electrode, leading to the selective formation of 3-(2-propynoxy)-2-propenoic acid (PPA) [23].…”

Section: Introductionmentioning

confidence: 99%

“…The electrocatalytic properties of nickel hydroxide -Ni(OH) 2 -and oxyhydroxideNiOOH-electrodes, obtained in alkaline medium under anodic polarization conditions, have been explored extensively for the oxidation of aliphatic and aromatic alcohols and amino compounds via the participation of Ni(III) species [1,3,4,[13][14][15][16][17][18][19][20][21][22]. In contrast, few studies have focused on the performance of Ni(OH) 2 /NiOOH couples in the electrooxidation of unsaturated alcohols (i.e., alken-1-ols or alkyn-1-ols) [1,3,23].…”

Section: Introductionmentioning

confidence: 99%

“…Nickel is a low cost and mass produced material, showing inherent catalytic properties in a wide number of processes such as organic electrosynthesis [1][2][3][4], degradation of organic hazardous molecules [5], energy conversion in alkaline fuel cells [6,7], biosensing [8,9] and electroanalysis [10][11][12], among the most representative.…”

Section: Introductionmentioning

confidence: 99%

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Electrocatalytic activity of Ni-doped nanoporous carbons in the electrooxidation of propargyl alcohol

García‐Cruz

Sáez

Ania

et al. 2014

Carbon

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Please cite this article as: García-Cruz, L., Sáez, A., Ania, C.O., Solla-Gullón, J., Thiemann, T., Iniesta, J., Montiel, V., Electrocatalytic activity of Ni-doped nanoporous carbons in the electrooxidation of propargyl alcohol, Carbon (2014), doi: http://dx.doi.org/10.1016/j.carbon. 2014.02.066 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Ni-doped nanoporous carbons provided similar propargyl alcohol conversions for very low metallic contents. Nanoparticulated Ni on various carbon supports gave rise to the highest electrocatalytic activity in terms of product selectivity, with a clear dependence on Ni content. The results point to the importance of controlling the dispersion of the Ni phase within the carbon matrix for a full exploitation of the electroactive area of the metal. Additionally, a change in the mechanism of the propargyl alcohol electrooxidation was noted, which seems to be related to the physicochemical properties of the carbon support as well. Thus, the stereoselectivity of the electrooxidative reaction can be controlled by the active nickel content immobilized on the anode, with a preferential oxidation to (Z)-3-(2-propynoxy)-2-propenoic acid with high Ni-loading, and to propiolic acid with low loading of active Ni sites. Moreover, the formation of (E)-3-(2-propynoxy)-2-propenoic acid was discriminatory irrespective of the experimental conditions and Ni loadings on the carbon matrixes.

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Section: Preparative Electrolysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Electrocatalytic activity of Ni-doped nanoporous carbons in the electrooxidation of propargyl alcohol

García‐Cruz

Sáez

Ania

et al. 2014

Carbon

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“…Nickel has been used as an electrodes by many researches for the electrooxidation of ethanol. Nickel for the oxidation of primary alcohol could yield carboxylic acid [11]. Nickel to form electrode into Cu-PVC or has been known as a nanoparticel electrode of.…”

Section: Introductionmentioning

confidence: 99%

SYNTHESIS OF ACETIC ACID FROM ETHANOL BY ELECTROOXIDATION TECHNIQUE USING Ni-Cu-PVC ELECTRODE

Riyanto

Othman

Salimon

2017

AJSTD

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A usage of Ni-Cu-PVC electrode for the oxidation of ethanol by electrochemical technique will be reported in this paper. In this work, the effect of electrodes on the yields of acetic acid was determined. Electrode used was made of the mixtures of Ni powder, Cu powder and of polyvinyl chloride (PVC) with various percentages. Electrooxidation of 0.20 M ethanol in 0.16 M KOH (24 mL) were carried out using chrono coulometry (CC) at a potential of 1050 mV for 6 hours with continious stirring. Electrooxdation result obtained was analyzed using High Performance Liquid Chromatography (HPLC). The test result shows that the composition of Ni:Cu:PVC at 75:20:5 have higher efficiency in the electrooxidation of ethanol to acetic acid.

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Pentanols

Lappe¹,

Hofmann²

2000

Ullmann's Encyclopedia of Industrial Chemistry

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Oxidation of alcohols by electrochemically regenerated nickel oxide hydroxide. Selective oxidation of hydroxysteroids

Cited by 106 publications

References 39 publications

Electrocatalytic activity of Ni-doped nanoporous carbons in the electrooxidation of propargyl alcohol

Electrocatalytic activity of Ni-doped nanoporous carbons in the electrooxidation of propargyl alcohol

SYNTHESIS OF ACETIC ACID FROM ETHANOL BY ELECTROOXIDATION TECHNIQUE USING Ni-Cu-PVC ELECTRODE

Pentanols

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