Trimetallic complexes containing 1,1′-Rc′(CC)2 units [Rc′ = ruthenocene-1,1′-diyl, Ru(η-C5H4-)2]

被引:14
作者
Bruce, Michael I. [1 ]
Jevric, Martyn
Perkins, Gary J.
Skelton, Brian W.
White, Allan H.
机构
[1] Univ Adelaide, Sch Chem & Phys, Adelaide, SA 5005, Australia
[2] Univ Western Australia, SBBCS, Nedlands, WA 6009, Australia
关键词
ethynyl complexes; ruthenocene; ruthenium-phosphine; X-ray structure; tcne cycloaddition;
D O I
10.1016/j.jorganchem.2006.11.037
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reactions between 1,1'-(Me3SiC equivalent to C)(2)Rc' [Rc' = ruthenocen-1, 1'-diyl, Ru(eta-C5H4-)(2)] and RuCl(PP)Cp' in the presence of KF gave 1,1'-{Cp(PP)RuC equivalent to C}(2)Rc' [Cp' = CP, PP = PPh3 1, P(m-tol)(3) 2, dppe 3, dppf 4; Cp' = Cp*, PP = dppe 5]. Compounds 1 and 2 react with tcne to give two diastereomers a/b of the allylic (vinylcarbene) complexes 6 and 7, while methylation of 5 gave the bis-vinylidene [1,1'-{Cp*(dppe)Ru=C=CMe}2Rc'](BPh4)(2) (8). The X-ray structures of 4, 6b and 8 have been determined. Cyclic voltammograms indicate that there is some electronic communication between the ruthenium end-groups through the Rc' centre. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:1757 / 1765
页数:9
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