Bimetallic hydroformylation: A zwitterionic Rh-IRhI tetraphosphine ligand-based bimetallic complex exhibiting facile CO addition and phosphine ligand rearrangement equilibrium

被引：32

作者：

Peng, WJ ^{[1
]}

Train, SG ^{[1
]}

Howell, DK ^{[1
]}

Fronczek, FR ^{[1
]}

Stanley, GG ^{[1
]}

机构：

[1] LOUISIANA STATE UNIV,DEPT CHEM,BATON ROUGE,LA 70803

来源：

CHEMICAL COMMUNICATIONS | 1996年 / 22期

关键词：

D O I：

10.1039/cc9960002607

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The X-ray structure of an unsymmetrical tetraphosphine bridged zwitterionic (RhRhI)-Rh--I dinuclear tetracarbonyl complex is reported along with the facile CO addition equilibrium to form an Rh-0 tetraphosphine pentacarbonyl bimetallic species; both of these are poor hydroformylation catalysts due to the relatively high electron density on the rhodium centres, in marked contrast to a dicationic bimetallic Rh-II complex based on the same tetraphosphine ligand that is a highly active and regioselective hydroformylation catalyst.

引用

页码：2607 / 2608

页数：2

共 11 条

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