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Synergistic Effect of [Ru(III) + Ir(III)] in N-Bromosuccinimide Reaction with Certain Aliphatic Ketones : A Kinetic Study
Joint Authors
Shylaja, S.
Giridhar Reddy, P.
Ramesh, K.
Rajanna, K. C.
Kandlikar, S.
Source
Advances in Physical Chemistry
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-12-25
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Dramatic rate enhancements have been observed in the oxidation of acetone (MMK), ethyl methyl ketone (EMK), and isobutyl methyl ketone (IBMK) by N-bromosuccinimide (NBS) in the presence of a mixture of metal ions [Ru(III) + Ir(III)].
The rate of oxidation in the the [Ru(III) + Ir(III)] system is much faster than either in the Ru(III) or in Ir(III) catalyzed system.
The order in [NBS] was found to be zero both in catalyzed as well as uncatalyzed reactions.
However, the order in [ketone] changed from unity to a fractional one in metal ion catalyzed systems.
On the basis of kinetic features, the most plausible mechanism involving the oxidation of [Ir(III)-ketone] by Ru(III) to give [Ir(V)-ketone] and Ru(I) in the rate limiting step is proposed.
Ru(I) thus formed is oxidized by NBS to Ru(III) in a fast step is discussed and individual rate parameters were evaluated.
American Psychological Association (APA)
Giridhar Reddy, P.& Ramesh, K.& Shylaja, S.& Rajanna, K. C.& Kandlikar, S.. 2012. Synergistic Effect of [Ru(III) + Ir(III)] in N-Bromosuccinimide Reaction with Certain Aliphatic Ketones : A Kinetic Study. Advances in Physical Chemistry،Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-460998
Modern Language Association (MLA)
Giridhar Reddy, P.…[et al.]. Synergistic Effect of [Ru(III) + Ir(III)] in N-Bromosuccinimide Reaction with Certain Aliphatic Ketones : A Kinetic Study. Advances in Physical Chemistry No. 2012 (2012), pp.1-6.
https://search.emarefa.net/detail/BIM-460998
American Medical Association (AMA)
Giridhar Reddy, P.& Ramesh, K.& Shylaja, S.& Rajanna, K. C.& Kandlikar, S.. Synergistic Effect of [Ru(III) + Ir(III)] in N-Bromosuccinimide Reaction with Certain Aliphatic Ketones : A Kinetic Study. Advances in Physical Chemistry. 2012. Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-460998
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-460998