Homoleptic isocyanidemetalates of 4d- and 5d-transition metals: [Nb(CNXyl)6]-, [Ta(CNXyl)6]-, and derivatives thereof

被引：0

作者：

Barybin, Mikhail V. ^{[1
,2
]}

Brennessel, William W. ^{[1
]}

Kucera, Benjamin E. ^{[1
]}

Minyaev, Mikhail E. ^{[1
]}

Sussman, Victor J. ^{[1
]}

Young Jr., Victor G. ^{[1
]}

Ellis, John E. ^{[1
]}

机构：

[1] Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, United States

[2] Department of Chemistry, University of Kansas, Lawrence, KS 66045, United States

来源：

Journal of the American Chemical Society | 1600年 / 129卷 / 05期

关键词：

Treatment of [M(CO)6]-; M; Nb; Ta; with Ag +; I2 or NO+ in the presence of CNXyl provided [M(CNXyl)7]+; M(CNXyl)6I; or cis-[M(CNXyl) 4(NO)2]+; which are isocyanide analogues of the unknown carbonyl complexes [M(CO)7]+; M(CO)6I; or cis-[M(CO)4(NO)2]+; respectively. Reduction of M(CNXyl)6I by cesium graphite gave the respective Cs[M(CNXyl)6; which have been structurally characterized and represent the first isolable homoleptic isocyanidemetalates for second or third row transition metals. Nitrosylation of [Ta(CNXyl)6]- affords a rare example of a mononitrosyl tantalum complex; Ta(CNXyl); 5NO; which is an isocyanide analogue of the unknown Ta(CO) 5NO. This study emphasizes; inter alia; the remarkable versatility of the CNXyl ligand compared to CO in stabilizing various electronic environments at heavier group 5 metal centers. © 2007 American Chemical Society;

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学科分类号：

摘要：

Journal article (JA)

引用

页码：1141 / 1150

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