Catalytic oxidation of cyclohexane with hydrogen peroxide and a tetracopper(II) complex in an ionic liquid

Ribeiro, Ana P. C.; Martins, Luísa M. D. R. S.; Hazra, Susanta; Pombeiro, Armando J. L.

doi:10.1016/j.crci.2015.03.018

Cited by 55 publications

(38 citation statements)

References 91 publications

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“…Polynuclear metal complexes containing voluminous organic [63,66,118,119,[129][130][131]186,[213][214][215][216][217][218][234][235][236][237][238][239][240][241] or siloxane [221][222][223][224][225][226][227][228] ligands are also very efficient in oxidations of organic compounds including saturated hydrocarbons with peroxides. For example, dinuclear copper complex 11 [221,224] and hexairon complex 15 (for the structure, see Figure 9) affording the products of cyclohexane oxidation in a very high yield of 46% (see Figure 10 [226]) can be considered as "inorganic models of methane monooxygenases."…”

Section: Discussionmentioning

confidence: 99%

New Trends in Oxidative Functionalization of Carbon–Hydrogen Bonds: A Review

Shul’pin

2016

Catalysts

174

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This review describes new reactions catalyzed by recently discovered types of metal complexes and catalytic systems (catalyst + co-catalyst). Works of recent years (mainly 2010-2016) devoted to the oxygenations of saturated, aromatic hydrocarbons and other carbon-hydrogen compounds are surveyed. Both soluble metal complexes and solid metal compounds catalyze such transformations. Molecular oxygen, hydrogen peroxide, alkyl peroxides, and peroxy acids were used in these reactions as oxidants.

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Section: Discussionmentioning

confidence: 99%

New Trends in Oxidative Functionalization of Carbon–Hydrogen Bonds: A Review

Shul’pin

2016

Catalysts

174

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“…Recently, the possibility of tuning the selectivity towards alcohol or ketone formation by choosing the appropriate solvent was previously found [22,24] [25] or a Cu(II) complex [26] in some of the above ionic liquids. However, to date, there is no report concerning the application of an external magnetic field in a procedure for the selective oxidation of cyclohexane.…”

Section: (I) Microwave (Mw) Assisted Oxidation Of Cyclohexanementioning

confidence: 99%

New Trendy Magnetic C-Scorpionate Iron Catalyst and Its Performance towards Cyclohexane Oxidation

et al. 2018

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For the first time, a magnetic C-scorpionate catalyst was prepared from the iron(II) complex [FeCl 2 {κ 3 -HC(pz) 3 }] (pz = pyrazol-1-yl) and ferrite, using the sustainable mechanochemical synthetic procedure. Its catalytic activity for the cyclohexane oxidation with tert-butyl hydroperoxide (TBHP) was evaluated in different conditions, namely under microwave irradiation and under the effect of an external magnetic field. The use of such magnetic conditions significantly shifted the catalyst alcohol/ketone selectivity, thus revealing a promising, easy new protocol for tuning selectivity in important catalytic processes.

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“…However, the IL medium is still underexplored as a solvent for oxidative catalysis [12,13,[19][20][21]. Within our interest on the oxidation of alkanes catalyzed by C-scorpionate complexes [22][23][24], the main objective of the present study was to evaluate the suitability of the above alternative greener media as solvents for such reactions.…”

Section: Resultsmentioning

confidence: 99%

“…Compounds [FeCl 2 {HC(pz) 3 [12][13][14][15][16][17][18]. However, the IL medium is still underexplored as a solvent for oxidative catalysis [12,13,[19][20][21].…”

Section: Resultsmentioning

confidence: 99%