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

被引：27

作者：

Gun'ko, YK ^{[1
]}

Reilly, R

Kessler, VG

机构：

[1] Univ Dublin Trinity Coll, Dept Chem, Dublin 2, Ireland

[2] Swedish Univ Agr Sci, Dept Chem, S-75007 Uppsala, Sweden

来源：

NEW JOURNAL OF CHEMISTRY | 2001年 / 25卷 / 04期

关键词：

D O I：

10.1039/b009556g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 dth 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.

引用

页码：528 / 530

页数：3

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