High yield synthesis, molecular structure and nmr studies of the seven-coordinate complex [WI2(CO)3(PEt3)2]

被引：8
|
作者：
Baker, PK [1 ]
Clark, AI
Meehan, MM
Parker, EE
Underhill, AE
Drew, MGB
Durrant, MC
Richards, RL
机构：
[1] Univ Coll N Wales, Dept Chem, Bangor LL57 2UW, Gwynedd, Wales
[2] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England
[3] John Innes Ctr Plant Sci Res, Nitrogen Fixat Lab, Norwich NR4 7UH, Norfolk, England
来源：
TRANSITION METAL CHEMISTRY | 1998年 / 23卷 / 02期
基金：
英国工程与自然科学研究理事会; 英国生物技术与生命科学研究理事会;
关键词：
D O I：
10.1023/A:1006999127136
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of [WI2(CO)(3)(NCMe)(2)] with two equivalents of PEt3 in Et2O/CH2Cl2 gives the MeCN-displaced product [WI2(CO)(3)(PEt3)(2)] (1) in high yield. The crystallographically determined solid state structure of (1) shows the complex to be capped octahedral with a carbonyl ligand capping an octahedral face containing the two octahedral carbonyls and one PEt3 group. The other face contains the two iodo ligands trans to carbonyl groups, and the second PEt3 ligand trans to the first PEt3 group. The low temperature (-30 degrees C) C-13-{H-1}-n.m.r. spectrum of (1) correlates with the solid state structure, and the fluxional properties of (1) have been investigated by VT P-31-{H-1}-n.m.r. spectroscopy.
引用
收藏
页码：155 / 157
页数：3
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