A review of the role of hydrogen peroxide in organic transformations

Targhan, Homa; Evans, Paul; Bahrami, Kiumars

doi:10.1016/j.jiec.2021.08.024

Cited by 56 publications

(22 citation statements)

References 284 publications

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“…This transformation has a wide scope of applications in synthetic organic chemistry [19,20]. During the recent decade, catalytic protocols based on aqueous hydrogen peroxide (H 2 O 2 ), air and pure oxygen as environmentally friendly, low-cost and readily available oxidants, are being considered [21]. Epoxidation of α,β-unsaturated ketones occurs in the presence of hydrogen peroxide under basic conditions and produces epoxy carbonyl compounds [22].…”

Section: Introductionmentioning

confidence: 99%

Design and Introducing Quaternary Ammonium Hydroxide-Functionalized Graphene Oxide Quantum Dots as an Efficient Pseudo-Homogeneous Catalyst for Epoxidation of α,β-Unsaturated Ketones

Mohammed

Targhan

Bahrami

2023

Preprint

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In present work, design and synthesis of a novel pseudo-homogeneous catalyst is described. For this purpose, amine-functionalized graphene oxide quantum dots (N-GOQDs) were prepared from graphene oxide (GO) by a facile one-step oxidative fragmentation approach. The prepared N-GOQDs were then decorated with quaternary ammonium hydroxide groups. Various characterization techniques clearly revealed that the quaternary ammonium hydroxide‐functionalized GOQDs (N-GOQDs/OH) have been successfully synthesized. TEM image revealed that the GOQDs particles are almost regularly spherical in shape and mono-dispersed with particle sizes <10 nm. The utility of the catalyst demonstrated toward epoxidation of α,β-unsaturated ketones in the presence of aqueous H2O2 as an oxidant at room temperature. The corresponding epoxide products were obtained in good to high yields. These procedure has the advantages of a green oxidant, high yields, involvement of non-toxic reagents and reusability of the catalyst without discernible loss in activity.

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Section: Introductionmentioning

confidence: 99%

Design and Introducing Quaternary Ammonium Hydroxide-Functionalized Graphene Oxide Quantum Dots as an Efficient Pseudo-Homogeneous Catalyst for Epoxidation of α,β-Unsaturated Ketones

Mohammed

Targhan

Bahrami

2023

Preprint

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“…Owing to the pursuit of green chemistry, organic chemists have been maintaining great interest in the development of new synthetic methodologies with less waste generation, low energy consumption and environmental friendliness. 1 Due to its environmentally-friendly character and good solubility in various organic solvents, H 2 O 2 , a commercially available, inexpensive and green oxidant, 2 has been increasingly used in organic reactions to replace toxic oxidants in recent years. 3 Apart from its excellent performance in the biocatalysis and treatment of environmental pollution, 4 H 2 O 2 has also been used in oxidative organic reactions, such as olefin epoxidation, 5 the selective oxidation of alkanes and olefins, 6 and the oxidation of alcohols.…”

Section: Introductionmentioning

confidence: 99%

Divergent synthesis of quinoxalin-2(1H)-one derivatives through photoinduced C–H functionalization without a photocatalyst

et al. 2023

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“…Tungsten catalysts such as salts or oxides have been used in a plethora of oxidation reactions where frequently hydrogen peroxide, an environmentally benign reactant is the oxidant [1][2][3]. Hydrogen peroxide is a non ammable liquid, inexpensive, and atom-e cient oxidant, that produces only water as a byproduct [4][5]. Particularly, Keggin heteropolyacids likewise silico-or phosphotungstic acids are also widely used in the oxidation processes of alcohols and aromatic aldehydes [6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Tungstic Acid: A Simple and Effective Solid Catalyst in Terpene Alcohol Oxidation Reactions with Hydrogen Peroxide

Silva

Andrade

2023

Catal Surv Asia

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In this work, we report for the rst time, the tungstic acid-catalyzed oxidation of terpene alcohols with hydrogen peroxide. This simple, solid, and commercially available catalyst e ciently promoted the conversion of borneol, geraniol and nerol to camphor and epoxide products, respectively. Effects of main reaction parameters, such as catalyst load, the molar ratio of oxidant to the substrate, time, and reaction temperature were investigate. Conversions and selectivity greater than 90% were achieved using 1.0 mol % of H 2 WO 4 after 2 h of reaction at 90°C. The activation energy was equal to 66 kJmol -1 . We propose a reaction mechanism based on the experimental results. This solid catalyst was easily recovered and reused without loss of activity. As far as we know, it is the rst time that tungstic acid was used as the catalyst in the oxidation reactions of terpene alcohols.

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A review of the role of hydrogen peroxide in organic transformations

Cited by 56 publications

References 284 publications

Design and Introducing Quaternary Ammonium Hydroxide-Functionalized Graphene Oxide Quantum Dots as an Efficient Pseudo-Homogeneous Catalyst for Epoxidation of α,β-Unsaturated Ketones

Design and Introducing Quaternary Ammonium Hydroxide-Functionalized Graphene Oxide Quantum Dots as an Efficient Pseudo-Homogeneous Catalyst for Epoxidation of α,β-Unsaturated Ketones

Divergent synthesis of quinoxalin-2(1H)-one derivatives through photoinduced C–H functionalization without a photocatalyst

Tungstic Acid: A Simple and Effective Solid Catalyst in Terpene Alcohol Oxidation Reactions with Hydrogen Peroxide

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