8-Quinolinolato complexes of ruthenium(II) and (III)

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• 作者：Chi-Fai Leung ; Chun-Yuen Wong ; Chi-Chiu Ko ; Man-Chong Yuen ; Wing-Tak Wong ; Wai-Yeung Wong ; Tai-Chu Lau
• 关键词：Ruthenium ; 8-Quinolinolate ; Alkene ; Nitrogen ligands
• 刊名：Inorganica Chimica Acta
• 出版年：2009
• 出版时间：2 March 2009
• 年：2009
• 卷：362
• 期：4
• 页码：1149-1157
• 全文大小：492 K

文摘

Reduction of RuQ₃ (1a, Q = 8-quinolinolato) with Zn/Hg in the presence of various π-acceptor ligands in ethanol affords RuQ₂L₂ (L₂ = (dimethylsulfoxide)₂ (2); (4-picoline)₂ (3); N,N′-dimethyl-1,4-diazabuta-1,3-diene, dab (4); cyclooctadiene, COD (5); norborna-2,5-diene, nbd (6)). Compound 6 is isolated as an equimolar mixture of cis,trans (6a) and trans,cis (6b) isomers, which can be separated by column chromatography. DFT calculations have been performed on 6a and 6b. Oxidation of 3 and 6b affords the corresponding ruthenium(III) species 7 and 8, respectively. The structures of 2, 3, 4 and 6 have been determined by X-ray crystallography.