Organosilicon-based multifunctional β-diketones and their rhodium and iridium complexes

被引：18

作者：

Pariya, Chandi ^{[1
]}

Marcos, Yoseph S. ^{[1
]}

Zhang, Yixun ^{[1
]}

Fronczek, Frank R. ^{[1
]}

Maverick, Andrew W. ^{[1
]}

机构：

[1] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA

来源：

ORGANOMETALLICS | 2008年 / 27卷 / 17期

关键词：

D O I：

10.1021/om701233a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six new organosilicon-based bis-, tris-, and tetrakis(beta-diketones) and their Rh(I)(COD) and Ir(I)(COD) (COD = 1,5-cyclooctadiene) complexes have been prepared and characterized. The beta-diketones, (CH(3))(4-n)Si(4-C(6)H(4)CH(COR)(2))(n) (n = 2, 3, 4; R = Me, Et), were prepared from the corresponding aldehydes (CH3)(4-n)Si(4-C(6)H(4)CHO)(n) by reaction with trimethyl phosphite-alpha-diketone adducts. Reaction with [M(COD)(mu-Cl)](2) (M = Rh and Ir) produces the Rh and Ir complexes, three of which have been characterized by X-ray analysis. The beta-diketone moieties are ca. 133 angstrom apart, which leads to intramolecular M...M distances in the complexes averaging ca. 15.6 angstrom. The present organosilicon-based route is expected to be useful for the construction of a variety of polytopic molecules containing either beta-diketone or other functional groups and polygonal or polyhedral metal complexes based on them.

引用

页码：4318 / 4324

页数：7

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