Synthesis,characterization and catalytic studies of ruthenium(II) Schiff base complexes |
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| Authors: | Sivasamy Kanchanadevi Kugalur P. Balasubramanian Vaiyapuri Chinnusamy Ramasamy Karvembu Karuppannan Natarajan |
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| Affiliation: | (1) Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, 641 020, India;(2) Department of Chemistry (PG), Kongunadu Arts and Science College, Coimbatore, 641 029, India;(3) Department of Chemistry, Bharathiar University, Coimbatore, 641 046, India |
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| Abstract: | Complexes of the type [Ru(CO)(EPh3)(B)(L)] (E = P or As; B = PPh3, AsPh3, py or pip; L = dianion of the Schiff bases derived from the condensation of salicyloyl hydrazide with acetone, ethyl methyl ketone and salicylaldehyde have been synthesised by the reaction of equimolar amounts of [RuHCl(CO)(EPh3)2(B)] and Schiff bases in benzene. The resulting complexes have been characterized by analytical and spectral (i.r., electronic, n.m.r.) data. The arrangements of Ph3P groups around the Ru metal was determined from 31P-n.m.r. spectra. An octahedral structure has been assigned to all the new complexes. All the complexes exhibit catalytic activity for the oxidation of benzyl alcohol and cyclohexanol in the presence of N-methylmorpholine-N-oxide as co-oxidant. |
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