期刊
INORGANICA CHIMICA ACTA
卷 359, 期 3, 页码 978-983出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2005.07.025
关键词
ruthenium; organo-ruthenium; 2,2 '-bipyridine; 4,4 '-bipyridine; synthesis; crystal structure
Interaction of [Cp*RuCl(mu-Cl)](2) with 2,2'-bipyridine (2,2'-bipy) in the presence of Na[PF6] gave a chloride bridging dinuclear complex [fCp*Ru(2,2'-bipy)}(2)(mu-Cl)][PF6] (1). In the crystal structure, the cation [(Cp*Ru(2,2'-bipy)}(2)(mu-Cl)](+) contains a bent Ru-Cl-Ru linkage with an angle of 141.87(12)degrees. The tris(mu-hydroxo)diruthenium complex [{(eta(6)-p-cymene)Ru}(2)(mu-OH)(3)][BF4] in acetone solution was treated by 4,4'-bipyridine (4,4'-bipy) to give a hydroxo-bridged tetranuclear complex [{(eta(6)-p-cymene)Ru}(2)(mu-OH)(2)(mu-4,4'-bipy)](2)[BF4] (2). Complex 2 consists of four (eta(6)-p-cymene)Ru moieties connected by two 4,4'-bipy and four hydroxo-bridging groups, forming a novel metallomacrocycle with alternating hydroxyl and 4,4'-bipy bridges between the ruthenium atoms. Spectroscopic properties along with electrochemistry of two organoruthenium (II) complexes 1 and 2 are reported. (c) 2005 Elsevier B.V. All rights reserved.
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