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Article: Synthesis and electrochemistry of dialkylosmium-(IV) and -(V) porphyrins. Crystal structure of [Os(ttp)(CH2SiMe3)2][H2ttp = 5,10,15,20-tetra(p-tolyl)porphyrin]

TitleSynthesis and electrochemistry of dialkylosmium-(IV) and -(V) porphyrins. Crystal structure of [Os(ttp)(CH2SiMe3)2][H2ttp = 5,10,15,20-tetra(p-tolyl)porphyrin]
Authors
Issue Date1994
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, 1994, n. 18, p. 2713-2718 How to Cite?
AbstractReaction of [Os(por)O2][por = 5,10,15,20-tetra(p-tolyl)porphyrinate (ttp) or 2,3,7,8,12,13,17,18-octaethylporphyrinate (oep)] with thionyl chloride gave [Os(por)Cl2] in good yields. The dichloride compounds are paramagnetic with µeffca.2.7 µB and display temperature-independent contact-shifted 1H NMR spectra. Reaction of [Os(por)Cl2] with an excess of LiR (R = Ph or Me3SiCH2) gave air-stable diamagnetic dialkyl compounds [Os(por)R2]. The structure of [Os(ttp)(CH2SiMe3)2] has been established by X-ray crystallography. Cyclic voltammograms of the diphenyl compounds exhibit reversible metal-centred OsV–OsIV and OsIV–OsIII couples. Treatment of [Os(ttp)Ph2] with CeIV or AgBF4 afforded the diphenylosmium(V) compound [Os(ttp)Ph2]BF4, which is paramagnetic with µeffca. 1.7 µB.
Persistent Identifierhttp://hdl.handle.net/10722/69337
ISSN
2002 Impact Factor: 3.023
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLeung, WHen_HK
dc.contributor.authorHun, TSMen_HK
dc.contributor.authorWong, KYen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:12:44Z-
dc.date.available2010-09-06T06:12:44Z-
dc.date.issued1994en_HK
dc.identifier.citationJournal of the Chemical Society Dalton Transactions, 1994, n. 18, p. 2713-2718en_HK
dc.identifier.issn1472-7773en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69337-
dc.description.abstractReaction of [Os(por)O2][por = 5,10,15,20-tetra(p-tolyl)porphyrinate (ttp) or 2,3,7,8,12,13,17,18-octaethylporphyrinate (oep)] with thionyl chloride gave [Os(por)Cl2] in good yields. The dichloride compounds are paramagnetic with µeffca.2.7 µB and display temperature-independent contact-shifted 1H NMR spectra. Reaction of [Os(por)Cl2] with an excess of LiR (R = Ph or Me3SiCH2) gave air-stable diamagnetic dialkyl compounds [Os(por)R2]. The structure of [Os(ttp)(CH2SiMe3)2] has been established by X-ray crystallography. Cyclic voltammograms of the diphenyl compounds exhibit reversible metal-centred OsV–OsIV and OsIV–OsIII couples. Treatment of [Os(ttp)Ph2] with CeIV or AgBF4 afforded the diphenylosmium(V) compound [Os(ttp)Ph2]BF4, which is paramagnetic with µeffca. 1.7 µB.-
dc.languageengen_HK
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/daltonen_HK
dc.relation.ispartofJournal of the Chemical Society Dalton Transactionsen_HK
dc.titleSynthesis and electrochemistry of dialkylosmium-(IV) and -(V) porphyrins. Crystal structure of [Os(ttp)(CH2SiMe3)2][H2ttp = 5,10,15,20-tetra(p-tolyl)porphyrin]en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1472-7773&volume=18&spage=2713&epage=2718&date=1994&atitle=Synthesis+and+electrochemistry+of+dialkylosmium-(IV)+and+(V)+porphyrins.+Crystal+structure+of+Os(ttp)(CH2SiMe3)2+Http=5,10,15,20-tetra(p-toly)porphyrinen_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.identifier.doi10.1039/DT9940002713-
dc.identifier.scopuseid_2-s2.0-37049079534-
dc.identifier.hkuros1178en_HK
dc.identifier.issue18-
dc.identifier.spage2713-
dc.identifier.epage2718-
dc.identifier.isiWOS:A1994PH53900018-
dc.publisher.placeUnited Kingdom-

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