Abstract
Three new mixed ligand complexes [Mn(4-pytone)2(bipy)2]bipy (1), [Mn(pot)2(en)2] (2) and [Mn(4-mot)2(en)2] (3) (4-pytone = 5-(4-pyridyl)-1,3,4-oxadiazole-2-thione, pot = 5-phenyl-1,3,4-oxadiazole-2-thione, 4-mot = 5-(4-methoxy-phenyl)-1,3,4-oxadiazole-2-thione) have been prepared containing bipy/en as coligands. The starting material potassium N-(aryl-carbonyl)-hydrazinecarbodithioates (RCONHNHCSSK) underwent cyclization during complexation in the presence of bipy or en to give the corresponding 5-aryl-1,3,4-oxadiazole-2-thiones. The complexes have been characterized by physicochemical techniques and single crystal X-ray structure determination. In all cases, the manganese has a six coordinate octahedral arrangement coordinated by 4N atoms of two bipy/en and two covalently bonded N atoms of the oxadiazole-2-thione anions.
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Authors thank CSIR, New Delhi for financial support by grant No. 01 (2152)07/EMR-II.
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Singh, N.K., Bharty, M.K., Kushawaha, S.K. et al. Manganese(II) complexes of 5-(4-pyridyl), 5-phenyl and 5-(4-methoxy-phenyl)-1,3,4-oxadiazole-2-thione containing 2, 2′-bipyridyl/ethylenediamine: synthesis, spectral, and X-ray characterization. Transition Met Chem 35, 337–344 (2010). https://doi.org/10.1007/s11243-010-9332-7
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DOI: https://doi.org/10.1007/s11243-010-9332-7