Syntheses of mono- and dinuclear diiodoboryl complexes of platinum

被引：37

作者：

Braunschweig, Holger ^{[1
]}

Radacki, Krzysztof ^{[1
]}

Uttinger, Katharina ^{[1
]}

机构：

[1] Univ Wurzburg, D-97074 Wurzburg, Germany

来源：

INORGANIC CHEMISTRY | 2007年 / 46卷 / 21期

关键词：

D O I：

10.1021/ic7011028

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of [Pt(PCy3)(2)] (Cy = cyclohexyl) with Bl(3) afforded trans-[(Cy3P)(2)Pt(I)(Bl(2))] by the oxidative addition of a B-I bond. The title compound represents the first diiodoboryl complex and was fully characterized by NMR spectroscopy and X-ray diffraction analysis. The latter revealed a very short Pt-B distance, thus indicating a pronounced 7 contribution to this bond. By the addition of another 1 equiv of Bl(3) to, trans-[(Cy3P)(2)Pt(I) (BI2)], a new Pt species [(Cy3P)(I2B)Pt(mu-I)](2) was formed with concomitant buildup of the phosphine borane adduct [Cy3P-BI3]. The former is obviously obtained by abstraction of PCy3 from trans-[(Cy3P)(2)Pt(I)(BI2)] and the subsequent dimerization of two remaining fragments. Interestingly, the dimerization is reversible, and the dinuclear compound can be converted to trans-[(Cy3P)(2)Pt(I)(BI2)] upon the addition of PCy3.

引用

页码：8796 / 8800

页数：5

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