Hydrolytic cleavage of Schiff bases by [RuCl2(DMSO)4] |
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| Authors: | Duraiswamy Sukanya Michael R. Evans Matthias Zeller Karuppannan Natarajan |
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| Affiliation: | 1. Department of Chemistry, Bharathiar University, Coimbatore 641 046, India;2. Department of Chemistry, Youngstown State University, 1 University Plaza, Youngstown, OH 44555-3663, USA |
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| Abstract: | New hexa-coordinated Ru(II) complexes of the type [RuCl2(DMSO)2(diamine)] (diamine = o-phenylenediamine and ethylenediamine) have been prepared by reacting cis-[RuCl2(DMSO)4] with Schiff bases (H2sal-en, 1; H2nap-en, 2; H2sal-o-pdn, 3; H2nap-o-pdn, 4) in a 1:1 ratio. The ligands, which were expected to act as tetradentate (N2O2) chelates under the normal reaction conditions, were found to undergo hydrolytic cleavage to form the diamine and the corresponding aldehyde. All the complexes have been characterized by analytical and spectroscopic (IR, electronic and1H NMR) data. Single-crystal X-ray analysis of the complex [RuCl2(DMSO)2(o-pndn)] revealed that the coordination environment around the ruthenium metal consists of a N2S2Cl2 octahedron. |
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| Keywords: | Ruthenium(II) complexes Schiff bases Dimethylsulfoxide Hydrolytic cleavage Crystal structure NMR Antimicrobial activity |
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