New Ru3(CO)12 derivatives with bulky diphosphine ligands:: synthesis, structure and catalytic potential for olefin hydroformylation

被引：29

作者：

Diz, EL ^{[1
]}

Neels, A ^{[1
]}

Stoeckli-Evans, H ^{[1
]}

Süss-Fink, G ^{[1
]}

机构：

[1] Univ Neuchatel, Inst Chim, CH-2007 Neuchatel, Switzerland

来源：

POLYHEDRON | 2001年 / 20卷 / 22-23期

关键词：

ruthenium; carbonyl; clusters; diphosphine; hydroformylation;

D O I：

10.1016/S0277-5387(01)00863-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The diphosphine clusters Ru-3(CO)(10)(dcpm) (1) and Ru-3(CO)(10)(F-dppe) (2) as well as the bis(diphosphine) clusters Ru-3(CO)(8)(dcpm)(2) (3) and Ru-3(CO)(8)(F-dppe)(2) (4) have been synthesised from Ru-3(CO)(12) and the bulky diphosphines 1,2-bis[bis(pentafluorophenyl)phosphino]ethane (F-dppe) and bis(dicyclohexylphosphino)methane (dcpm). While the single-crystal X-ray structure analyses of 1, 2 and 3 show the expected mu (2)-eta (2) coordination of the diphosphine ligands, that of 4 reveals an unusual structure with one mu (2)-eta (2)-diphosphine and one mu (1)-eta (2)-diphosphine ligand. The clusters 1-4 catalyse the hydroformylation of ethylene and propylene to give the corresponding aldehydes, 2 showing higher activities than those observed for Ru-3(CO)(12) and Ru-3(CO)(10)(dppc). (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：2771 / 2780

页数：10

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