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Syntheses and Crystal Structures of Ruthenium-Salen Complexes Containing Triphenylphosphine Ligands

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Syntheses and Crystal Structures of Ruthenium-Salen Complexes Containing Triphenylphosphine Ligands

Yan Lia,b, Qing Maa,b, Hua-Tian Shib, Qun Chena, and Qian-Feng Zhanga,b

aSchool of Chemistry and Chemical Engineering, Changzhou University, Jiangsu 213164, P. R. China

bInstitute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma’anshan,

Anhui 243002, P. R. China

Reprint requests to Dr. Qian-Feng Zhang.

Fax: +86-555-2312041.

E-mail: zhangqf@ahut.edu.cn Z. Naturforsch.2011,66b,324 – 328;

received October 27, 2010

Treatment of [Ru(PPh3)3Cl2] with the Schiff base lig- and H2salen in THF at reflux afforded a neutral RuIII- salen complex [RuIII(salen)(PPh3)Cl] (1). Interaction of [RuHCl(CO)(PPh3)3] with H2salen under similar con- ditionsgave a neutral RuII-salen complex [RuII(salen- NH)(PPh3)(CO)] (2). In itsformation one of the imine bondswasnucleophilically attacked by hydride to give a mixed imine-amine ligand. The two complexeshave been spectroscopically characterized, and the crystal structures of 1·2CH2Cl2and2·CH2Cl2have been established by X-ray crystallography.

Key words:Ruthenium, Schiff Base Ligand, Salen, Synthesis, Crystal Structure

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