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Issue 4, 2001
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A convenient route to anionic and cyclic aluminosiloxanes: crystal structures of [PyH][Al[upper bond 1 start]{OSiPh2(OSiPh2)2O[upper bond 1 end]}2] and the first twelve-membered organic aluminosilicate Al2Si4O6 ring

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Abstract

The reaction of Al2Cl6 with an excess of Ph2Si(OH)2 in THF in the presence of pyridine yielded new anionic and cyclic aluminosiloxanes: the structure of the anionic complex is composed of separated pyridinium cations and aluminosiloxane anions with a tetrahedral arrangement around the Al atom, which is similar to that in natural aluminosilicates; the core of the cyclic aluminosiloxane is a twelve-membered Al2Si4O6 ring in a chair conformation, which contains a Cl group on each of the two Al atoms.

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Article information


Submitted
27 Nov 2000
Accepted
31 Jan 2001
First published
15 Mar 2001

New J. Chem., 2001,25, 528-530
Article type
Letter

A convenient route to anionic and cyclic aluminosiloxanes: crystal structures of [PyH][Al[upper bond 1 start]{OSiPh2(OSiPh2)2O[upper bond 1 end]}2] and the first twelve-membered organic aluminosilicate Al2Si4O6 ring

Y. K. Gun'ko, R. Reilly and V. G. Kessler, New J. Chem., 2001, 25, 528
DOI: 10.1039/B009556G

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