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Article: Mechanism of C-H bond oxidation by a monooxoruthenium(V) complex
Title | Mechanism of C-H bond oxidation by a monooxoruthenium(V) complex |
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Authors | |
Issue Date | 1991 |
Publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton |
Citation | Journal Of The Chemical Society, Dalton Transactions, 1991 n. 5, p. 1259-1263 How to Cite? |
Abstract | The complex [RuvL(O)]2+ {HL = [2-hydroxy-2-(2-pyridyl)ethyl]bis[2-(2-pyridyl)ethyl]amine} was found to be a very active stoichiometric oxidant towards various hydrocarbons. Oxidation of alcohols was studied either in 0.1 mol dm-3 HClO4 or CH3CN, the observed rate law being rate = k[Ruv][alcohol]. The second-order rate constants for various alcohols follow the order benzylic > secondary > primary alcohols. Kinetic isotope effects (kH/kD) of 5.9 and 5.3 were found for benzyl alcohol and PriOH respectively. Similar kinetic studies for the oxidation of tetrahydrofuran gave kH/kD = 6.8. Stoichiometric oxidation of saturated alkanes in acetonitrile gave tertiary alcohols exclusively or ketones when only methylene groups are present. The measured kH/kD for the oxidation of cyclohexane determined from competitive oxidation experiments was 5.3. No cyclohexyl chloride was found when the oxidation of cyclohexane was carried out in the presence of CCl4. The mechanism of C-H bond oxidation by Ruv=O is discussed. |
Persistent Identifier | http://hdl.handle.net/10722/168218 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Che, CM | en_US |
dc.contributor.author | Ho, C | en_US |
dc.contributor.author | Lau, TC | en_US |
dc.date.accessioned | 2012-10-08T03:16:23Z | - |
dc.date.available | 2012-10-08T03:16:23Z | - |
dc.date.issued | 1991 | en_US |
dc.identifier.citation | Journal Of The Chemical Society, Dalton Transactions, 1991 n. 5, p. 1259-1263 | en_US |
dc.identifier.issn | 1472-7773 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168218 | - |
dc.description.abstract | The complex [RuvL(O)]2+ {HL = [2-hydroxy-2-(2-pyridyl)ethyl]bis[2-(2-pyridyl)ethyl]amine} was found to be a very active stoichiometric oxidant towards various hydrocarbons. Oxidation of alcohols was studied either in 0.1 mol dm-3 HClO4 or CH3CN, the observed rate law being rate = k[Ruv][alcohol]. The second-order rate constants for various alcohols follow the order benzylic > secondary > primary alcohols. Kinetic isotope effects (kH/kD) of 5.9 and 5.3 were found for benzyl alcohol and PriOH respectively. Similar kinetic studies for the oxidation of tetrahydrofuran gave kH/kD = 6.8. Stoichiometric oxidation of saturated alkanes in acetonitrile gave tertiary alcohols exclusively or ketones when only methylene groups are present. The measured kH/kD for the oxidation of cyclohexane determined from competitive oxidation experiments was 5.3. No cyclohexyl chloride was found when the oxidation of cyclohexane was carried out in the presence of CCl4. The mechanism of C-H bond oxidation by Ruv=O is discussed. | en_US |
dc.language | eng | en_US |
dc.publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton | en_US |
dc.relation.ispartof | Journal of the Chemical Society, Dalton Transactions | en_US |
dc.title | Mechanism of C-H bond oxidation by a monooxoruthenium(V) complex | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, CM:cmche@hku.hk | en_US |
dc.identifier.authority | Che, CM=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1039/DT9910001259 | en_US |
dc.identifier.scopus | eid_2-s2.0-37049079516 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 1259 | en_US |
dc.identifier.epage | 1263 | en_US |
dc.identifier.isi | WOS:A1991FM50400016 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.scopusauthorid | Ho, C=23067224800 | en_US |
dc.identifier.scopusauthorid | Lau, TC=7102222310 | en_US |
dc.identifier.issnl | 1364-5447 | - |