Three-Coordinate, Cyclic Bent Allene Iron Complexes

被引：29
|
作者：
Pranckevicius, Conor [1 ]
Stephan, Douglas W. [1 ]
机构：
[1] Univ Toronto, Dept Chem, Toronto, ON M5S 1A1, Canada
来源：
ORGANOMETALLICS | 2013年 / 32卷 / 09期
基金：
加拿大自然科学与工程研究理事会;
关键词：
N-HETEROCYCLIC CARBENES; CARBON-MONOXIDE; LIGANDS; CATALYSTS; MOSSBAUER; PLANAR; COORDINATION; ACTIVATION; PYRAZOLIUM; REACTIVITY;
D O I：
10.1021/om400166t
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Novel three-coordinate Fe complexes featuring 1,2-diphenyl-3,5-bis(2,6-dimethylphenoxy)pyrazolin-4-ylidine or "cydic bent allene" (CBA) have been synthesized. Reaction with FeCl2(PPh3)(2) results in the loss of both phosphines to yield monomeric Fe(CBA)Cl-2. Treatment with 2 equiv of benzyl Grignard affords the three-coordinate alkylated product Fe(CBA)(Bn)(2). Exposure of the alkylated species to an atmosphere of CO results in reductive elimination of 1,3-diphenylpropanone and formation of trigonal-bipyramidal Fe(CBA)(CO)(4).
引用
收藏
页码：2693 / 2697
页数：5
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