Catalytic oxidation of alcohols by a double functional ionic liquid [bmim]BF4

Rong, Meizhu; Liu, Chong; Han, Jinyu; Wang, Hua

doi:10.1016/j.catcom.2008.09.009

Cited by 24 publications

(10 citation statements)

References 15 publications

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“…Though ionic liquids have shown attractive role in improving the reactivity of oxidation system [24][25][26][27], it seems that this compound cannot cooperate well with Fenton system (…”

Section: Resultsmentioning

confidence: 99%

Improvement the Activity and Selectivity of Fenton System in the Oxidation of Alcohols

Yang

Lin

et al. 2014

Journal of Catalysts

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The reactivity and selectivity of Fenton system (Fe2+/H2O2) were improved with N-hydroxyphthalimide (NHPI) as cocatalyst. The oxidation process of benzyl alcohol to benzaldehyde has been studied. The reaction catalyzed by this new Fe2+/H2O2/NHPI system can be well performed under room temperature without adding any organic solvent. Besides, this catalyst system is effective for the oxidation of different alcohols.

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“…Though ionic liquids have shown attractive role in improving the reactivity of oxidation system [24][25][26][27], it seems that this compound cannot cooperate well with Fenton system (…”

Section: Resultsmentioning

confidence: 99%

Improvement the Activity and Selectivity of Fenton System in the Oxidation of Alcohols

Yang

Lin

et al. 2014

Journal of Catalysts

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“…Next, the effect of the catalyst loading was investigated. Table 3 (entries 3, [16][17] shows that at 90 1C and with an IL/A mass ratio of 0.5, a substrate to catalyst molar ratio (S C À1 ) of 40 resulted in the highest 2-octanone yield (57%). A higher catalyst loading (S C À1 = 20) probably provokes the aggregation of Pd particles, explaining the lower yield.…”

Section: [Emim][etso 4 ] [Emim][tso] [Emim][meso 3 ] and [Bmim][bf 4 ...mentioning

confidence: 99%

“…[10][11][12][13][14] Recently, numerous transition metal catalyzed systems in ILs for alcohol oxidations were introduced. [15][16][17][18][19][20][21] In some cases the IL even served as solvent and catalyst, e.g. with a catalytic metal species part of the IL's anion.…”

Section: Introductionmentioning

confidence: 99%

Spontaneous product segregation from reactions in ionic liquids: application in Pd-catalyzed aliphatic alcohol oxidation

Doorslaer

Schellekens

Mertens

et al. 2010

Phys. Chem. Chem. Phys.

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A methodology is introduced to separate polar reaction products from ionic liquids without the need for organic solvent extraction or distillation. We investigated product isolation after an alcohol oxidation performed in ionic liquids. Suitable ionic liquids were selected based on their mixing or demixing with a range of alcohols and the derived ketones. The aim was to obtain complete miscibility with the alcohol substrate at reaction temperature and a clear phase separation of the derived ketone product at room temperature. Six imidazolium based ionic liquids displayed this desired behaviour and were sufficiently stable to oxidation. These ionic liquids were then employed in the oxidation of non-activated aliphatic alcohols with molecular oxygen in the presence of palladium(II) acetate. In 1-butyl-3-methylimidazolium tetrafluoroborate, 2-ketone yields of 79 and 86% were obtained for, respectively, 2-octanol and 2-decanol. After cooling to room temperature the ionic liquid expels the immiscible ketone and the product phase can be isolated by decantation. In addition, the ionic liquid acts as an immobilization medium for the palladium catalyst, allowing efficient catalyst recycling.

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“…25 Herein we want to report for first time, the rapid and selective synthesis of amidoalkyl naphthols in the presence of [bmim]HSO 4 ionic liquid as a Bronsted acidic ionic liquid.…”

Section: Introductionmentioning

confidence: 99%

1-Butyl-3-Methyl Imidazolium Hydrogen Sulphate Promoted One-Pot Three-Component Synthesis of Amidoalkyl Naphthols

Sapkal¹,

Shelke²,

Madje³

et al. 2009

Bulletin of the Korean Chemical Society

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Catalytic oxidation of alcohols by a double functional ionic liquid [bmim]BF4

Cited by 24 publications

References 15 publications

Improvement the Activity and Selectivity of Fenton System in the Oxidation of Alcohols

Improvement the Activity and Selectivity of Fenton System in the Oxidation of Alcohols

Spontaneous product segregation from reactions in ionic liquids: application in Pd-catalyzed aliphatic alcohol oxidation

1-Butyl-3-Methyl Imidazolium Hydrogen Sulphate Promoted One-Pot Three-Component Synthesis of Amidoalkyl Naphthols

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