The syntheses, structures and redox properties of phosphine-gold(I) and triruthenium-carbonyl cluster derivatives of tolans

被引：14
|
作者：
Khairul, Wan M. [1 ]
Albesa-Jove, David [1 ]
Yufit, Dmitri S. [1 ]
Al-Haddad, Maha R. [1 ]
Collings, Jonathon C. [1 ]
Hartl, Frantisek [2 ]
Howard, Judith A. K. [1 ]
Marder, Todd B. [1 ]
Low, Paul J. [1 ]
机构：
[1] Univ Durham, Dept Chem, Durham DH1 3LE, England
[2] Univ Amsterdam, Van Hoff Inst Mol Sci, NL-1018 WV Amsterdam, Netherlands
来源：
INORGANICA CHIMICA ACTA | 2008年 / 361卷 / 06期
关键词：
tolan; ruthenium cluster; gold complex; electrochemistry; spectroelectrochemistry;
D O I：
10.1016/j.ica.2007.03.032
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The syntheses of several ethynyl-gold(I) phosphine substituted tolans (1,2-diaryl acetylenes) of general form [Au(C=CC6H4C=CC6H4X)(PPh3)] are described [X = Me (2a), OMe (2b), CO2Me (2c), NO2 (2d), CN (2e)]. These complexes react readily with [Ru-3(CO) 10(mu-dppm)] to give the heterometallic clusters [Ru3(mu-AuPPh3)(mu-eta(1), eta(2)-C2C6H4C, CC6H4X)(CO)(7)(mu-dppm)] (3a-e). The crystallographically determined molecular structures of 2b, 2d, 2e and 3a-e are reported here, that of 2a having been described on a previous occasion. Structural, spectroscopic and electrochemical studies were conducted and have revealed little electronic interaction between the remote substituent and the organometallic end-caps. (C) 2007 Elsevier B. V. All rights reserved.
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收藏
页码：1646 / 1658
页数：13
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