Reactions of trans-[RuCl2(CO)2(PEt3)2]with 1,1-dithiolates:: Stepwise formation of cis-[Ru(CO)(PEt3)(S2X)] (X = CNMe2, CNEt2, COEt, P(OEt)2, PPh2)

被引：15

作者：

Deeming, AJ ^{[1
]}

Forth, C ^{[1
]}

Hogarth, G ^{[1
]}

机构：

[1] UCL, Dept Chem, London WC1H 0AJ, England

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2006年 / 691卷 / 1-2期

关键词：

dithiolate; ruthenium; dithiocarbamate; phosphine; carbonyl;

D O I：

10.1016/j.jorganchem.2005.08.051

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Traps-[RuCl2(CO)(2)(PEt3)(2)] reacts with two equivalents of a series of 1,1-dithiolate ligands to form the bis(dithiolate) complexes, cis-[Ru(CO)(PEt3)(S2X)(2)] (X = CNMe2, CNEt2, COEt, P(OEt)(2), PPh2). Two intermediates have been isolated; trans-[Ru(PEt3)(2)Cl-(CO){S2P(OEt)(2)}] and trans-[Ru(PEt3)(2)(CO)(eta(1)-S2COEt)(eta(2)-S2COEt)], allowing a simple reaction scheme to be postulated involving three steps; (i) initial replacement of cis carbonyl and chloride ligands, (ii) substitution of the second chloride, (iii) loss of a phosphine. Thermolysis of cis-[Ru(CO)(PEt3)(S2CNMe2)(2)] with Ru-3(CO)(12) in xylene affords trinuclear [Ru-3(mu(3)-S)(2)(PEt3)(CO)(8)] as a result of dithiocarbamate degradation. Crystal structures of cis-[Ru(CO)(PEt3)(S2X)(2)] (X = NMe2, COEt), trans-[Ru(PEt3)(2)Cl(CO){S2P(OEt)(2)}], trans[Ru(PEt3)(2)(CO)(eta(1)-S2COEt)(eta(2)-S2COEt)] and [Ru-3(mu(3)-S)(2)(PEt3)(CO)(8)] are reported. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：79 / 85

页数：7

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