Nonhydrolytic sol-gel routes to layered metal(IV) and silicon phosphonates

被引：40

作者：

Corriu, RJP ^{[1
]}

Leclercq, D ^{[1
]}

Mutin, PH ^{[1
]}

Sarlin, L ^{[1
]}

Vioux, A ^{[1
]}

机构：

[1] Univ Montpellier 2, Lab Chim Mol & Org Solide, F-34095 Montpellier 5, France

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1998年 / 8卷 / 08期

基金：

美国国家卫生研究院;

关键词：

D O I：

10.1039/a803755h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Three nonhydrolytic routes to methyl and phenylphosphonates have been developed involving the systems: (i) MCl4-RPO(OR)(2) or M(OR)(4)-RPOCl2 (M = Si, Ti); (ii) MCl4-RPOCl2-ether (M = Sn, Ti, Zr); (iii) MCl4-RPOCl2-alcohol (M = Sn, Ti, Zr). It is noteworthy that use of nonhydrolytic conditions opens a route to water-sensitive silicon phosphonates. In most cases the phosphonates were obtained as gels. The poorly crystalline materials obtained after drying were characterised by solid-state NMR spectroscopy and their layered structure could be shown by powder X-ray diffraction. However a higher degree of crystallinity could be obtained under solvothermal conditions, either by the direct alcoholysis of chloride precursors with tert-butanol (2-methylpropan-2-ol), or by a simple postsynthesis treatment in tert-butanol.

引用

页码：1827 / 1833

页数：7

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