Coordination chemistry of homoscorpionate ligands with 3-cyclopropyl substituents

被引：33

作者：

Rheingold, AL ^{[1
]}

Yap, GPA ^{[1
]}

Liable-Sands, LM ^{[1
]}

Guzei, IA ^{[1
]}

Trofimenko, S ^{[1
]}

机构：

[1] Univ Delaware, Dept Chem & Biochem, Newark, DE 19716 USA

来源：

INORGANIC CHEMISTRY | 1997年 / 36卷 / 27期

关键词：

D O I：

10.1021/ic970880r

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In a quest for precisely sterically tuned ligand systems, the new scorpionate ligands hydrotris(3-cyclopropylpyrazol-1-yl)borate, Tp(Cpr), and tetrakis(3-cyclopropylpyrazol-1-yl)borate, pz*Tp(Cpr), have been synthesized. They readily form octahedral homoleptic and heteroleptic complexes with first-row transition metal compounds, but their [M(Tp(Cpr))(X)] complexes are unstable with respect to the octahedral ones. The complex [Mo(Tp(Cpr))(CO)(2)(eta(3)-CH2CMeCH2)] was also prepared. Structures of the paramagnetic [Co(Tp(Cpr))(2)], [Co(pz*Tp(Cpr))(2)], and [Co(Tp(Cpr))(Tp(Ph))] complexes have been determined by H-1 NMR and those of [Fe(Tp(Cpr))(2)] and [Fe(pz*Tp(Cpr))(2)], as well as that of [Co(Tp(Cpr))(Tp(Ph))], by X-ray crystallography, indicating facile accommodation of six cyclopropyl groups in the equatorial belt of octahedral complexes. In its coordination behavior, Tp(Cpr) is quite different from Tp(iPr) and resembles Tp(Me).

引用

页码：6261 / 6265

页数：5

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