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Article: Kinetics of oxidation of aromatic hydrocarbons and tetrahydrofuran by trans-dioxoruthenium(VI) complexes

TitleKinetics of oxidation of aromatic hydrocarbons and tetrahydrofuran by trans-dioxoruthenium(VI) complexes
Authors
Issue Date1991
PublisherRoyal 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. 12, p. 3277-3280 How to Cite?
AbstractThe kinetics of oxidation of aromatic hydrocarbons and tetrahydrofuran by trans-[RuVILO2]2+ {L = 2 bipy(bipy = 2,2′-bipyridine), L1 = 6,7,14,15,16,17,18,19-octahydro-14,18-dimethyl-13H-dibenzo[e,n][1,4,8,12] dioxadiazacyclopentadecine, L2 = N,N′-dimethyl-N,N′-bis(2-pyridylmethyl)propylenediamine and L3 = meso-2,3,7,11,12-pentamethyl-3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17), 13,15-triene} has been studied. In acetonitrile the second-order rate constants follow the order: toluene < ethylbenzene < cumene. The kinetic isotope effects for the oxidation of ethylbenzene by trans-[RuLO2]2+ (L = L1 or L2) are 16 and 12:1 respectively. In the oxidation of tetrahydrofuran by trans-[RuL1O2]2+, k2 was found to be 0.170 mol-1 dm3s-1 at 298 K with a measured kinetic isotope effect of 20:1. A linear correlation between log(rate constant) and E°(RuVI-RuIV) for the oxidation of tetrahydrofuran has been observed. The activation parameters for the oxidation reactions have also been determined. A hydrogen-atom abstraction mechanism is suggested for the oxidation of C-H bonds by trans-dioxoruthenium(VI) complexes.
Persistent Identifierhttp://hdl.handle.net/10722/168209
ISSN
2002 Impact Factor: 3.023
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChe, CMen_US
dc.contributor.authorTang, WTen_US
dc.contributor.authorWong, KYen_US
dc.contributor.authorLi, CKen_US
dc.date.accessioned2012-10-08T03:16:17Z-
dc.date.available2012-10-08T03:16:17Z-
dc.date.issued1991en_US
dc.identifier.citationJournal Of The Chemical Society, Dalton Transactions, 1991 n. 12, p. 3277-3280en_US
dc.identifier.issn1472-7773en_US
dc.identifier.urihttp://hdl.handle.net/10722/168209-
dc.description.abstractThe kinetics of oxidation of aromatic hydrocarbons and tetrahydrofuran by trans-[RuVILO2]2+ {L = 2 bipy(bipy = 2,2′-bipyridine), L1 = 6,7,14,15,16,17,18,19-octahydro-14,18-dimethyl-13H-dibenzo[e,n][1,4,8,12] dioxadiazacyclopentadecine, L2 = N,N′-dimethyl-N,N′-bis(2-pyridylmethyl)propylenediamine and L3 = meso-2,3,7,11,12-pentamethyl-3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17), 13,15-triene} has been studied. In acetonitrile the second-order rate constants follow the order: toluene < ethylbenzene < cumene. The kinetic isotope effects for the oxidation of ethylbenzene by trans-[RuLO2]2+ (L = L1 or L2) are 16 and 12:1 respectively. In the oxidation of tetrahydrofuran by trans-[RuL1O2]2+, k2 was found to be 0.170 mol-1 dm3s-1 at 298 K with a measured kinetic isotope effect of 20:1. A linear correlation between log(rate constant) and E°(RuVI-RuIV) for the oxidation of tetrahydrofuran has been observed. The activation parameters for the oxidation reactions have also been determined. A hydrogen-atom abstraction mechanism is suggested for the oxidation of C-H bonds by trans-dioxoruthenium(VI) complexes.en_US
dc.languageengen_US
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/daltonen_US
dc.relation.ispartofJournal of the Chemical Society, Dalton Transactionsen_US
dc.titleKinetics of oxidation of aromatic hydrocarbons and tetrahydrofuran by trans-dioxoruthenium(VI) complexesen_US
dc.typeArticleen_US
dc.identifier.emailChe, CM:cmche@hku.hken_US
dc.identifier.authorityChe, CM=rp00670en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1039/DT9910003277en_US
dc.identifier.scopuseid_2-s2.0-37049076568en_US
dc.identifier.issue12en_US
dc.identifier.spage3277en_US
dc.identifier.epage3280en_US
dc.identifier.isiWOS:A1991GV27700016-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US
dc.identifier.scopusauthoridTang, WT=15121154000en_US
dc.identifier.scopusauthoridWong, KY=7404760030en_US
dc.identifier.scopusauthoridLi, CK=8714186500en_US

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