Equilibria and kinetics of the reactions between hydrogen peroxide and methyltrioxorhenium in aqueous perchloric acid solutions

Yamazaki, Shigekazu; Espenson, James H.; Huston, Patrick

doi:10.1021/ic00074a007

Cited by 75 publications

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“…[37] On the other hand, the stability of MTO increases in acidic aqueous solutions, in the presence of Brønsted acids such as H 2 [38] similar to those observed for conventional organic solvents.…”

Section: When More-concentrated Mto Aqueous Solutions (24·10mentioning

confidence: 80%

Methyltrioxorhenium Catalysis in Nonconventional Solvents: A Great Catalyst in a Safe Reaction Medium

2010

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The requirement that chemical processes are sustainabable, reflected in waste reduction and the use of safe reagents and reaction conditions, is becoming even more stringent as a result of pressure by society and governments to preserve the environment and protect human health. Catalysis offers numerous benefits related to green chemistry, including lowered energetic reaction requirements; catalytic, rather than stoichiometric, amounts of materials; increased selectivity; lowered consumption of processing and separation agents; and, in many cases, the use of less‐toxic compounds. Our research group has for a long time been studying methyltrioxorhenium in the oxyfunctionalization of different substrates, by using H2O2 or its urea‐hydrogen peroxide complex as the primary oxidant. In this Review paper we aim to provide a full literature account on the catalytic activity and selectivity of methyltrioxorhenium in the oxyfunctionalization reaction, either in nonconventional solvents or under solvent‐free conditions, with a particular emphasis on the use of ionic liquids as green reaction media.

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Section: When More-concentrated Mto Aqueous Solutions (24·10mentioning

confidence: 80%

Methyltrioxorhenium Catalysis in Nonconventional Solvents: A Great Catalyst in a Safe Reaction Medium

2010

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“…The rhenium system has been shown by Herrmann [16] and Espenson [17] to give two adducts with hydrogen peroxide, (1) and (2) (Equation 1), either of which could be responsible for the chemistry described here. Under our experimental conditions, we expect the major oxidant to be 2, however.…”

Section: Resultsmentioning

confidence: 79%

Nitroxide synthesis using the methyltrioxorhenium/hydrogen peroxide system

Murray

Iyanar

1998

Heteroatom Chem.

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Some secondary amines of varying structural type have been oxidized by the methyltrioxorhenium/hydrogen peroxide system to the corresponding nitroxides in excellent yield. These results, coupled with our earlier work using this system, indicate the striking parallel between this chemistry and that of the dioxiranes. While the yields in the dioxirane and methyltrioxorhenium/hydrogen peroxide methods are comparable, the latter method must be regarded as superior since it is catalytic. © 1998 John Wiley & Sons, Inc. Heteroatom Chem 9:347–350, 1998

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“…Even more striking, an additional water molecule is strongly bonded to the rhenium in the 1 : 2 complex, which has been characterized crystallographically [57]. Solution studies of the ReMeO 3 -H 2 O 2 equilibria showed that two consecutive reaction steps are involved, the first of which is shown as follows [58]:…”

Section: Cobalt(ii) Complexesmentioning

confidence: 99%

Kinetics and mechanisms of decomposition reaction of hydrogen peroxide in presence of metal complexes

Salem

El-Maazawi

Zaki

2000

Int. J. Chem. Kinet.

122

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Equilibria and kinetics of the reactions between hydrogen peroxide and methyltrioxorhenium in aqueous perchloric acid solutions

Cited by 75 publications

References 0 publications

Methyltrioxorhenium Catalysis in Nonconventional Solvents: A Great Catalyst in a Safe Reaction Medium

Methyltrioxorhenium Catalysis in Nonconventional Solvents: A Great Catalyst in a Safe Reaction Medium

Nitroxide synthesis using the methyltrioxorhenium/hydrogen peroxide system

Kinetics and mechanisms of decomposition reaction of hydrogen peroxide in presence of metal complexes

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