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Article: High-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivities
Title | High-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivities |
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Authors | |
Issue Date | 1989 |
Publisher | American 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? |
Abstract | Oxidation 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 Identifier | http://hdl.handle.net/10722/167483 |
ISSN | 2023 Impact Factor: 14.4 2023 SCImago Journal Rankings: 5.489 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Leung, WH | en_US |
dc.contributor.author | Che, CM | en_US |
dc.date.accessioned | 2012-10-08T03:07:33Z | - |
dc.date.available | 2012-10-08T03:07:33Z | - |
dc.date.issued | 1989 | en_US |
dc.identifier.citation | Journal Of The American Chemical Society, 1989, v. 111 n. 24, p. 8812-8818 | en_US |
dc.identifier.issn | 0002-7863 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167483 | - |
dc.description.abstract | Oxidation 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.language | eng | en_US |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html | en_US |
dc.relation.ispartof | Journal of the American Chemical Society | en_US |
dc.title | High-valent ruthenium(IV) and -(VI) oxo complexes of octaethylporphyrin. Synthesis, spectroscopy, and reactivities | 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 | 10.1021/ja00206a007 | - |
dc.identifier.scopus | eid_2-s2.0-0024815122 | en_US |
dc.identifier.volume | 111 | en_US |
dc.identifier.issue | 24 | en_US |
dc.identifier.spage | 8812 | en_US |
dc.identifier.epage | 8818 | en_US |
dc.identifier.isi | WOS:A1989CB49900007 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Leung, WH=7201504510 | en_US |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.issnl | 0002-7863 | - |