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

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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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. 23(4), pp. 900-905. ISSN 0276-7333. eISSN 1520-6041

@article{Wrobel2004Bulky-23726, title={Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation}, year={2004}, doi={10.1021/om030589l}, number={4}, volume={23}, issn={0276-7333}, journal={Organometallics}, pages={900--905}, author={Wrobel, Olaf and Schaper, Frank and Brintzinger, Hans-Herbert} }

2004 Bulky siloxyaluminum alkyls as models for Al 2 Me 6 -treated silica gel surfaces : characterization of a dimethylaniline-stabilized dimethylaluminum cation Organometallics ; 23 (2004), 4. - S. 900-905 Brintzinger, Hans-Herbert Wrobel, Olaf Brintzinger, Hans-Herbert deposit-license 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>. eng Schaper, Frank 2013-06-24T16:59:09Z Schaper, Frank Wrobel, Olaf 2013-06-24T16:59:09Z

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