Effective gas-phase deoxygenation of alcohols and ketones on iron catalyst

Glebov, L. S.; Mikaya, A. I.; Yatsenko, A. E.; Заикин, В. Г.; Kliger, G. A.; Локтев, С. М.

doi:10.1016/s0040-4039(00)98301-1

Cited by 13 publications

(5 citation statements)

References 4 publications

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“…35 Another possibility is the abstraction of an oxygen atom from 2,3-dihydroxypropene preventing its tautomerisation as reported before over iron catalysts. 36 Evidence of these reduction reactions can be found in both the decrease in the yield of hydroxyacetone and the increase in the yield of carbon dioxide. The reductions require redox active sites such as highly dispersed iron species.…”

Section: Effect Of Oxalic Acid Addition On Glycerol Conversionmentioning

confidence: 99%

Catalytic conversion of glycerol to allyl alcohol; effect of a sacrificial reductant on the product yield

Sánchez

Friggieri

Adesina

et al. 2014

Catal. Sci. Technol.

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Section: Effect Of Oxalic Acid Addition On Glycerol Conversionmentioning

confidence: 99%

Catalytic conversion of glycerol to allyl alcohol; effect of a sacrificial reductant on the product yield

Sánchez

Friggieri

Adesina

et al. 2014

Catal. Sci. Technol.

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“…However, not only Clemens reaction, but also Wolff-Kishner reaction is not environment-friendly, these reactions are either carried out in the presence of Zn-Hg/concentrated HCl or employed lot of hydrazine as reactant. Subsequently, the catalytic hydrogenation of C=O group to CH 2 has been reported, Cu-Cr, Fe or Ni had proved less active for the conversion of C=O into CH 2 at high temperatures (473 -573 K) [4][5][6]. Avnir [7] once reported that the catalytic hydrogenolysis of aromatic ketones by a sol-gel entrapped combined Pd-[Rh(cod)Cl] 2 catalyst, however, the selectivity of hydrogenation reaction towards the alkylbenzenes is low and the aromatic rings were fully hydrogenated.…”

Section: Introductionmentioning

confidence: 99%

Efficient and Clean Catalytic Hydrogenolysis of Aromatic Ketones by Silica Supported Schiff Base Modify Chitosan-Palladium Catalyst

Gu¹,

Liu²,

Zhao³

2013

MRC

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An silica supported chitosan-Schiff base Pd(II) catalyst was prepared in a simple way and characterized by XRD, FT-IR, SEM-EDS, XPS and TG, and the ability of this complex to catalyze hydrogenolysis of 1-tetralone into 1,2,3,4-tetrahydronaphthalene was also investigated in the presence of hydrogen. It has been revealed that the catalyst had high catalytic activity for hydrogenolysis of 1-tetralone at ambient temperature and normal pressure of hydrogen. Especially, the hydrogenolysis of 1-tetralone in ethanol solvent gave excellent results and the 100% conversion of 1-tetralone and the 100% selectivity for 1,2,3,4-tetrahydronaphthalene were obtained under optimized reaction conditions. The influences of reaction temperature, reaction time and solvent on the hydrogenolysis of 1-tetralone were also investigated. It has been also revealed that the catalyst was efficient and eco-friendly for the hydrogenolysis of carbonyl that connected with a benzene ring to give corresponding aromatic hydrocarbons.

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“…[12,[15][16][17][18][19][20][21] Other heterogeneous catalysts based on Cu-Cr, Fe or Ni proved less active for the conversion of carbonyl into methylene groups and hence require the use of higher temperatures (200-300 8C). [22][23][24] Generally, the catalytic conversion of a carbonyl group into a methylene group requires the presence of homogeneous acid co-catalysts, such as HCl, H 2 SO 4 or, more frequently, acetic acid. [20,25] Depending on the choice of the metal catalyst and the substrate, the selectivity of the hydrogenation reaction can be directed either towards the alcohol product or the methylene derivative (Scheme 1).…”

Section: Introductionmentioning

confidence: 99%

Catalytic Hydrogenolysis of Aromatic Ketones in Mixed Choline–Betainium Ionic Liquids

et al. 2008

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The palladium-catalyzed hydrogenolysis of aromatic ketones to alkylbenzenes was studied in mixtures of ionic liquids to explore the promotional effect of these reaction media. Choline-based ionic liquids displayed complete miscibility with the aromatic ketone substrate at reaction temperature and a clear phase separation of the derived alkylbenzene product at room temperature. Selected ionic liquids were then assessed as reaction media in the hydrogenolysis of aromatic ketones over palladium catalysts. A binary mixture of choline and betainium bis(trifluoromethylsulfonyl)imide ionic liquids resulted in the highest conversion and selectivity values in the hydrogenolysis of acetophenone. At the end of the reaction, the immiscible alkylbenzene separates from the ionic liquid mixture and the pure product phase can be isolated by simple decantation. After optimization of the reaction conditions, high yields (>90 %) of alkylbenzene were obtained in all cases. The catalyst and the ionic liquid could be used at least three times without any loss of activity or selectivity.

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Effective gas-phase deoxygenation of alcohols and ketones on iron catalyst

Cited by 13 publications

References 4 publications

Catalytic conversion of glycerol to allyl alcohol; effect of a sacrificial reductant on the product yield

Catalytic conversion of glycerol to allyl alcohol; effect of a sacrificial reductant on the product yield

Efficient and Clean Catalytic Hydrogenolysis of Aromatic Ketones by Silica Supported Schiff Base Modify Chitosan-Palladium Catalyst

Catalytic Hydrogenolysis of Aromatic Ketones in Mixed Choline–Betainium Ionic Liquids

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