SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF THE TRINUCLEAR BARIUM DISILOXANES [BA3(OSIPH2OSIPH2O)3(TETRAGLYME)2] AND [BA3(OSIPH2OSIPH2O)3(HMPA)5(H2O)], CONTAINING AN UNUSUAL BA3O7 CORE [TETRAGLYME = ME(OCH2CH2)4OME, HMPA = (ME2N)3P=O]

被引：35

作者：

DARR, JA ^{[1
]}

DRAKE, SR ^{[1
]}

WILLIAMS, DJ ^{[1
]}

SLAWIN, AMZ ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM,LONDON SW7 2AY,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1993年 / 10期

关键词：

D O I：

10.1039/c39930000866

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Barium granules react with diphenylsilanediol in a mixed ammonia-toluene solution at -40-degrees-C to yield [Ba(OSiPh2OSiPh2O)(H2O)(NH3)0.33] 1, addition of either tetraglyme or hexamethylphosphoramide (hmpa) produces [Ba3(OSiPh2OSiPh2O)3(tetraglyme)2] 2 and [Ba3(OSiPh2OSiPh2O)3(hmpa)5(H2O)] 3, respectively; complexes 2 and 3 are the first X-ray structurally characterised barium disiloxanes and contain an unusual trinuclear array of Ba cations incorporating an identical Ba3O7 core.

引用

页码：866 / 868

页数：3

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