Ruthenium(II) complexes of NSO donor ligands in the form of ring-substituted 4-phenyl-thiosemicarbazones of salicylaldehyde and o-hydroxyacetophenone |
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| Authors: | Sengupta Parbati Dinda Rupam Ghosh Saktiprosad |
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| Institution: | (1) Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta, 700 032, India |
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| Abstract: | This work describes the preparation and characterisation of ruthenium(II) complexes of several ONS donor ligands in the form of ring-substituted 4-phenylthiosemicarbazones of salicylaldehyde and o-hydroxyacetophenone. Reactions of these thiosemicarbazone ligands with Ru(PPh3)3]Cl2 in refluxing MeOH furnished ruthenium(II) complexes of general formula Ru(PPh3)2(LH)Cl] where the ligands acted as monoanionic tridentate ONS donors attached to the ruthenium(II) acceptor centre through the deprotonated phenolic oxygen, thione sulphur and azomethine nitrogen. |
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