Abstract

The synthesis and investigation of ruthenium complexes containing the relatively unexplored ligand, diphenyl-2-(3-methyl)indolylphosphine, is presented herein. The complexes [RuCl2{PPh2(C9H8N)}3], [Ru2(μ-Cl)3(Cl)(MeCN){PPh2(C9H8N)}4] and [RuCl2(η 6-p-cymeme){PPh2(C9H8N)}] have been studied. Single crystals of the latter two complexes have been prepared and investigated by X-ray crystallography. A detailed examination of [RuCl2(η 6-p-cymeme){PPh2(C9H8N)}] has been carried out. This complex was found to be an active catalyst in the catalytic transfer hydrogenation of ketones. The complex, [RuCl2(η 6-p-cymeme){PPh2(C9H8N)}], was synthesised and fully characterised by spectroscopic, analytical and structural methods. The complex was also found to be an active catalyst in the transfer hydrogenation of ketones.

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