Early (Ti, Zr)-late (Rh, Ir) heteronuclear complexes with bridging sulphido ligands

被引：11

作者：

Oro, LA ^{[1
]}

Ciriano, MA ^{[1
]}

Pérez-Torrente, JJ ^{[1
]}

Casado, MA ^{[1
]}

Hernandez-Gruel, MAF ^{[1
]}

机构：

[1] Univ Zaragoza, CSIC, Fac Ciencias, ICMA,Dept Quim Inorgan, E-50009 Zaragoza, Spain

来源：

COMPTES RENDUS CHIMIE | 2003年 / 6卷 / 01期

关键词：

early-late; heteronuclear; rhodium; iridium; titanium; zirconium; hydroformylation;

D O I：

10.1016/S1631-0748(03)00013-4

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report in this account on the controlled synthesis of novel d(0)-d(8) early-late heteropolynuclear diolefin and carbonyl clusters. The synthetic approach was based on additive-deprotonation reactions involving the titanium and zirconium bis-hydrosulphido complexes of formula [Cp2Ti(SH)(2)] and [(CP2Zr)-Zr-tt(SH)(2)] and appropriate rhodium and iridium diolefin and carbonyl compounds. The significant differences between the resulting early-late complexes and their structures coming from the titanium or zirconium metalloligand precursors are highlighted. The catalytic activity of some representative titanium-rhodium and zirconium-rhodium compounds towards alkene hydroformylation was explored. Interestingly, the heterotetranuclear 'CpTi(mu(3)-S)(3)Rh-3' structure was maintained as such under mild conditions.

引用

页码：47 / 57

页数：11

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