Publikation: Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation
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2004
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Organometallics. 2004, 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om030589l
Zusammenfassung
Reaction 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+.
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WROBEL, 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/om030589lBibTex
@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}
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<dcterms:abstract xml:lang="eng">Reaction of a particularly bulky silanol, (2,4,6-Me<sub>3</sub>C<sub>6</sub>H<sub>2</sub>)<sub>3</sub>SiOH, with Al<sub>2</sub>Me<sub>6</sub> gives, instead of the otherwise preferred unreactive binuclear siloxalanes with two siloxy bridges, a binuclear siloxalane with one siloxy and one methyl bridge, Me<sub>2</sub>Al(μ-OSi(2,4,6-Me<sub>3</sub>C<sub>6</sub>H<sub>2</sub>)<sub>3</sub>)(μ-Me)AlMe<sub>2</sub>. This species reacts with zirconocene dichlorides under chloride/methyl exchange; with the cationizing reagent PhMe<sub>2</sub>NH<sup>+</sup>B(C<sub>6</sub>F<sub>5</sub>)<sub>4</sub><sup>-</sup> it forms the B(C<sub>6</sub>F<sub>5</sub>)<sub>4</sub><sup>-</sup> salt of the mononuclear cation AlMe<sub>2</sub>(NPhMe<sub>2</sub>)<sub>2</sub><sup>+</sup>.</dcterms:abstract>
<dc:contributor>Brintzinger, Hans-Herbert</dc:contributor>
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