The fragment bis(acetylacetonato)ruthenium:: a meeting-point of coordination and organometallic chemistry

被引：24

作者：

Bennett, MA ^{[1
]}

Byrnes, MJ ^{[1
]}

Kovácik, I ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Chem, Canberra, ACT 0200, Australia

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2004年 / 689卷 / 24期

关键词：

ruthenium; acetylacetonate; redox behaviour; alkene complexes; alkyne complexes; nucleophilic attack;

D O I：

10.1016/j.jorganchem.2004.07.027

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reduction of [Ru(acac)(3)] with zinc in THF/H2O Provides a range of coordination and organometallic complexes containing Ru-II(acac)(2), whose chemistry is reviewed. Most of these compounds, including those containing alkenes, undergo reversible one-electron oxidation to their Ru-III(acac)(2) counterparts, and the alkene-ruthenium(III) cations have been detected by spectroclectro-chemistry. The cations derived from the chelate N-donor ligands o-CH2=CHC6H4NMe2 and o-PhC-=CC6H4NMe2 have been isolated and structurally characterized. Comparison of the metrical data establishes that, whereas the alkene is less firmly bound to Ru-III than to Ru-II, the alkyne is bound about as strongly to Ru-III as to Ru-II. Some uncharged nucleophiles (pyridine, diethylamine, PPh3) react with the cationic Ru-III complexes to give unusual, paramagnetic Ru-III-C sigma-bonded chelate complexes. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：4463 / 4474

页数：12

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