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Article: High-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivities

TitleHigh-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivities
Authors
Issue Date1989
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html
Citation
Journal Of The American Chemical Society, 1989, v. 111 n. 24, p. 8812-8818 How to Cite?
AbstractOxidation of [RuII(OEP)(CO)] [H2OEP = octaethylporphyrin] by m-chloroperoxybenzoic acid in methanol gave [RuVI(OEP)(O)2], isolated as air-stable diamagnetic purple solid (μeff ∼ 0 μB). [RuVI(OEP)(O)2] shows one intense IR band at 821 cm-1 assignable to vas(O=Ru=O) stretch. In CH2Cl2, it reacts with olefins to give epoxides and [RuIV(OEP)(OH)]2O in quantitative yields. In alcohols (ROH), the epoxidation reactions give [RuIV(OEP)O(ROH)], which readily dimerizes to [RuIV(OEP)(OH)]2O in noncoordinating solvents. [RuIV(OEP)O(ROH)] is paramagnetic with measured μeff of 3.1 μB. Its 1H NMR spectrum shows three broad singlets, the paramagnetic isotropic shifts of which vary inversely with temperature. The E° for the [RuIV(OEP)O(ROH)]/[RuIII(OEP)O(ROH)]- couple in CH2Cl2/py (py = pyridine) is -0.86 V vs Cp2Fe+/0. In CH2Cl2/py solution, [RuIV(OEP)O(ROH)] reacts with olefins to give [RuII(OEP)(py)2] and epoxides. © 1989 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/167483
ISSN
2015 Impact Factor: 13.038
2015 SCImago Journal Rankings: 7.123
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLeung, WHen_US
dc.contributor.authorChe, CMen_US
dc.date.accessioned2012-10-08T03:07:33Z-
dc.date.available2012-10-08T03:07:33Z-
dc.date.issued1989en_US
dc.identifier.citationJournal Of The American Chemical Society, 1989, v. 111 n. 24, p. 8812-8818en_US
dc.identifier.issn0002-7863en_US
dc.identifier.urihttp://hdl.handle.net/10722/167483-
dc.description.abstractOxidation of [RuII(OEP)(CO)] [H2OEP = octaethylporphyrin] by m-chloroperoxybenzoic acid in methanol gave [RuVI(OEP)(O)2], isolated as air-stable diamagnetic purple solid (μeff ∼ 0 μB). [RuVI(OEP)(O)2] shows one intense IR band at 821 cm-1 assignable to vas(O=Ru=O) stretch. In CH2Cl2, it reacts with olefins to give epoxides and [RuIV(OEP)(OH)]2O in quantitative yields. In alcohols (ROH), the epoxidation reactions give [RuIV(OEP)O(ROH)], which readily dimerizes to [RuIV(OEP)(OH)]2O in noncoordinating solvents. [RuIV(OEP)O(ROH)] is paramagnetic with measured μeff of 3.1 μB. Its 1H NMR spectrum shows three broad singlets, the paramagnetic isotropic shifts of which vary inversely with temperature. The E° for the [RuIV(OEP)O(ROH)]/[RuIII(OEP)O(ROH)]- couple in CH2Cl2/py (py = pyridine) is -0.86 V vs Cp2Fe+/0. In CH2Cl2/py solution, [RuIV(OEP)O(ROH)] reacts with olefins to give [RuII(OEP)(py)2] and epoxides. © 1989 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.htmlen_US
dc.relation.ispartofJournal of the American Chemical Societyen_US
dc.titleHigh-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivitiesen_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.doi10.1021/ja00206a007-
dc.identifier.scopuseid_2-s2.0-0024815122en_US
dc.identifier.volume111en_US
dc.identifier.issue24en_US
dc.identifier.spage8812en_US
dc.identifier.epage8818en_US
dc.identifier.isiWOS:A1989CB49900007-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLeung, WH=7201504510en_US
dc.identifier.scopusauthoridChe, CM=7102442791en_US

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