Synthesis, NMR spectroscopic characterization and structure of bis(1,2-dimethoxyethane-O,O')barium bis[1,3-bis(trimethylsilyl)-2-phenyl-1-aza-3-phosphapropenide]

被引：0

作者：

Westerhausen, M ^{[1
]}

Digeser, MH ^{[1
]}

Schwarz, W ^{[1
]}

机构：

[1] UNIV STUTTGART,INST ANORGAN CHEM,D-7000 STUTTGART,GERMANY

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1997年 / 623卷 / 08期

关键词：

barium; 1-aza-3-phosphapropenide; 1,3-azaphosphaallyl anion; NMR; X-ray structure determination;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Barium-bis[bis(trimethylsilyl)phosphanide] 1 reacts with two equivalents of benzonitrile to give barium bis[1,3-bis(trimethylsilyl)-2-phenyl-1-aza-3-phosphapropenide]; the choice of the solvent determines whether a tris(tetrahydrofuran)- or a bis(1,2-dimethoxyethane)-complex 2 can be isolated. 2 crystallizes from DME as red cuboids (monoclinic, C2/c, a = 1627.0(3), b = 1836.6(3), c = 1602.5(2) pm; beta = 96.071(12)degrees; V = 4761.7(12); Z = 4; wR(2) = 0.0851). The phosphorus atom displays a pyramidal surrounding in contrast to the planar coordination sphere of the nitrogen atom. In addition a twist within the P-C-N skeleton of the heteroallyl anion is observed.

引用

页码：1237 / 1242

页数：6

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