(Pentamethylcyclopentadienyl)titanatrane: A new class of catalyst for syndiospecific polymerization of styrene

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dc.contributor.authorKim, Yko
dc.contributor.authorHong, Eko
dc.contributor.authorLee, MHko
dc.contributor.authorKim, Jko
dc.contributor.authorHan, Yko
dc.contributor.authorDo, Youngkyuko
dc.date.accessioned2008-04-02T08:15:46Z-
dc.date.available2008-04-02T08:15:46Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1999-01-
dc.identifier.citationORGANOMETALLICS, v.18, no.1, pp.36 - 39-
dc.identifier.issn0276-7333-
dc.identifier.urihttp://hdl.handle.net/10203/3631-
dc.description.abstractA new type of catalyst for the syndiospecific polymerization of styrene, Cp*Ti(N(CH2CH2O)(3)) (3), was prepared by either the reaction of triethanolamine with Cp*TiCl3 in the presence of triethylamine or the reaction of (N(CH2CH2O)(3))TiCl with LiCp*. The former reaction route is more efficient in terms of yield and easy accessibility of a titanium starting compound. The X-ray analysis reveals that 3 exists in a monomeric form in the solid state and the Ti atom adopts essentially an eta(5) bonding posture with regard to the Cp* ring and a tetradentate bonding mode with regard to the triethanolateamine ligand via a transannular interaction from the bridgehead N atom to Ti. The compound 3, which is stable to air and heat and soluble in hydrocarbon solvents, shows very efficient catalytic activity for the syndiospecific polymerization of styrene in the presence of modified methylaluminoxane (MMAO) as cocatalyst.-
dc.description.sponsorshipThis work was supported by the Korea Science and Engineering Foundation and the KAIST.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMER CHEMICAL SOC-
dc.subjectSYNDIOTACTIC POLYSTYRENE-
dc.subjectSTEREOSPECIFIC POLYMERIZATION-
dc.subjectSTEREOCHEMICAL CONTROL-
dc.subjectTITANIUM COMPLEXES-
dc.subjectTITANATRANES-
dc.subjectELEMENTS-
dc.title(Pentamethylcyclopentadienyl)titanatrane: A new class of catalyst for syndiospecific polymerization of styrene-
dc.typeArticle-
dc.identifier.wosid000078017000007-
dc.identifier.scopusid2-s2.0-0003033327-
dc.type.rimsART-
dc.citation.volume18-
dc.citation.issue1-
dc.citation.beginningpage36-
dc.citation.endingpage39-
dc.citation.publicationnameORGANOMETALLICS-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorDo, Youngkyu-
dc.contributor.nonIdAuthorKim, Y-
dc.contributor.nonIdAuthorHong, E-
dc.contributor.nonIdAuthorLee, MH-
dc.contributor.nonIdAuthorKim, J-
dc.contributor.nonIdAuthorHan, Y-
dc.type.journalArticleArticle-
dc.subject.keywordPlusSYNDIOTACTIC POLYSTYRENE-
dc.subject.keywordPlusSTEREOSPECIFIC POLYMERIZATION-
dc.subject.keywordPlusSTEREOCHEMICAL CONTROL-
dc.subject.keywordPlusTITANIUM COMPLEXES-
dc.subject.keywordPlusTITANATRANES-
dc.subject.keywordPlusELEMENTS-
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