Reactivity of the imido group in [CpOs(NCH3)(CH(2)SiMe(3))(2)][SO3CF3]

被引：35

作者：

Shapley, PA

Shusta, JM

Hunt, JL

机构：

[1] Department of Chemistry, University of Illinois, Urbana

来源：

ORGANOMETALLICS | 1996年 / 15卷 / 06期

关键词：

D O I：

10.1021/om950644t

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The imido Ligand in [(eta(5)-C5H5)Os(NCH3)(CH(2)SiMe(3))2][SO3CF3] reacts with basic and nucleophilic molecules. Triphenylphosphine, pyridine, and water act as bases and deprotonate the methylimido ligand forming the first osmium(IV) methyleneamido complex, (eta(5)-C5H5)Os(N=CH2)(CH(2)SiMe(3))(2). The reaction is reversible, and treatment of (eta(5)-C5H5)Os(N=CH2)(CH(2)SiMe(3))(2). with HBF4 produces [(eta(5)-C5H5)Os(NCH3)(CH(2)SiMe(3))2][BF4]. phenylphosphine also abstracts the imido ligand to form MeN-PPh(3). The imido complex reacts with ethylene to produce an olefin complex, [(eta(5)-C5H5)Os(NHCH2)(CH2CH2)(2)][SO3-CF3]. Under pressures of ethylene, products resulting from imide transfer to the olefin are obtained.

引用

页码：1622 / 1629

页数：8

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