Reactions of Cyclometalated Oxazoline Half-Sandwich Complexes of Iridium and Ruthenium with Alkynes and CO

被引：44

作者：

Davies, David L. ^{[1
]}

Al-Duaij, Omar ^{[1
]}

Fawcett, John ^{[1
]}

Singh, Kuldip ^{[1
]}

机构：

[1] Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England

来源：

ORGANOMETALLICS | 2010年 / 29卷 / 06期

关键词：

NITROGEN BOND FORMATION; CP-ASTERISK-IR; H ACTIVATION; CARBON-CARBON; INSERTION REACTIONS; CYCLOPALLADATED COMPLEXES; HETEROCYCLIC-COMPOUNDS; INTERNAL ALKYNES; BENZOIC-ACIDS; RU-C;

D O I：

10.1021/om901088v

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The ligand 4,4-dimethyl-2-oxazolinylbenzene is easily cyclometalated by [IrCl2Cp*](2) or [RuCl(MeCN)(2)(p-cymene)]PF6 in the presence of sodium acetate. In the case of iridium the resultant complex dissolves in acetonitrile in the presence of KPF6 to give an acetonitrile-coordinated cationic complex. The analogous complex is formed directly in the ruthenium cyclometalation reaction. These labile cationic complexes undergo insertion reactions with internal and terminal alkynes. Internal alkynes give only monoinsertion products, whereas terminal alkynes give mono- or di-insertion products. The cations will also react with CO, but no insertion occurs in this case.

引用

页码：1413 / 1420

页数：8

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