Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation

Kurzanzeige
dc.contributor.authorWrobel, Olafdeu
dc.contributor.authorSchaper, Frankdeu
dc.contributor.authorBrintzinger, Hans-Herbert
dc.date.accessioned2013-06-24T16:59:09Zdeu
dc.date.available2013-06-24T16:59:09Zdeu
dc.date.issued2004
dc.description.abstractReaction of a particularly bulky silanol, (2,4,6-Me3C6H2)3SiOH, with Al2Me6 gives, instead of the otherwise preferred unreactive binuclear siloxalanes with two siloxy bridges, a binuclear siloxalane with one siloxy and one methyl bridge, Me2Al(μ-OSi(2,4,6-Me3C6H2)3)(μ-Me)AlMe2. This species reacts with zirconocene dichlorides under chloride/methyl exchange; with the cationizing reagent PhMe2NH+B(C6F5)4- it forms the B(C6F5)4- salt of the mononuclear cation AlMe2(NPhMe2)2+.eng
dc.description.versionpublished
dc.identifier.citationOrganometallics ; 23 (2004), 4. - S. 900-905deu
dc.identifier.doi10.1021/om030589ldeu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/23726
dc.language.isoengdeu
dc.legacy.dateIssued2013-06-24deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subject.ddc540deu
dc.titleBulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cationeng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Wrobel2004Bulky-23726,
  year={2004},
  doi={10.1021/om030589l},
  title={Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation},
  number={4},
  volume={23},
  issn={0276-7333},
  journal={Organometallics},
  pages={900--905},
  author={Wrobel, Olaf and Schaper, Frank and Brintzinger, Hans-Herbert}
}
kops.citation.iso690WROBEL, Olaf, Frank SCHAPER, Hans-Herbert BRINTZINGER, 2004. Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation. In: Organometallics. 2004, 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589ldeu
kops.citation.iso690WROBEL, Olaf, Frank SCHAPER, Hans-Herbert BRINTZINGER, 2004. Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation. In: Organometallics. 2004, 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589leng
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    <dcterms:abstract xml:lang="eng">Reaction of a particularly bulky silanol, (2,4,6-Me&lt;sub&gt;3&lt;/sub&gt;C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;3&lt;/sub&gt;SiOH, with Al&lt;sub&gt;2&lt;/sub&gt;Me&lt;sub&gt;6&lt;/sub&gt; gives, instead of the otherwise preferred unreactive binuclear siloxalanes with two siloxy bridges, a binuclear siloxalane with one siloxy and one methyl bridge, Me&lt;sub&gt;2&lt;/sub&gt;Al(μ-OSi(2,4,6-Me&lt;sub&gt;3&lt;/sub&gt;C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;3&lt;/sub&gt;)(μ-Me)AlMe&lt;sub&gt;2&lt;/sub&gt;. This species reacts with zirconocene dichlorides under chloride/methyl exchange; with the cationizing reagent PhMe&lt;sub&gt;2&lt;/sub&gt;NH&lt;sup&gt;+&lt;/sup&gt;B(C&lt;sub&gt;6&lt;/sub&gt;F&lt;sub&gt;5&lt;/sub&gt;)&lt;sub&gt;4&lt;/sub&gt;&lt;sup&gt;-&lt;/sup&gt; it forms the B(C&lt;sub&gt;6&lt;/sub&gt;F&lt;sub&gt;5&lt;/sub&gt;)&lt;sub&gt;4&lt;/sub&gt;&lt;sup&gt;-&lt;/sup&gt; salt of the mononuclear cation AlMe&lt;sub&gt;2&lt;/sub&gt;(NPhMe&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;&lt;sup&gt;+&lt;/sup&gt;.</dcterms:abstract>
    <dc:contributor>Brintzinger, Hans-Herbert</dc:contributor>
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kops.identifier.nbnurn:nbn:de:bsz:352-237262deu
kops.sourcefieldOrganometallics. 2004, <b>23</b>(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589ldeu
kops.sourcefield.plainOrganometallics. 2004, 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589ldeu
kops.sourcefield.plainOrganometallics. 2004, 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589leng
kops.submitter.emailoleg.kozlov@uni-konstanz.dedeu
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source.bibliographicInfo.toPage905
source.bibliographicInfo.volume23
source.identifier.eissn1520-6041deu
source.identifier.issn0276-7333
source.periodicalTitleOrganometallics

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