Summary
Metal complexes of stoichiometries, [M(HLppz4M)X2] and [M(Lppz4M)X], are formed from nickel(II) and copper(II) halides and 2-acetylpyridine 3-(4-methyl)piperizinylthiosemicarbazone, HLppz4M. The [M(Lppz4M)X] complexes involve tridentate N(pyridyl), N(azomethinyl) and S(thiolate) coordination with a halo ligand completing the bonding. Neutral HLppz4M coordinatesvia the two nitrogen donors. Spectral evidence indicates the presence of a thiol hydrogen in Hppz4M complexes, the first to be reported for a coordinated thiosemicarbazone.
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West, D.X., Romack, T.J. & Liberta, A.E. Metal ion complexes of 2-acetylpyridine 3-(4-methyl)piperazinyl-thiosemicarbazone. Transition Met. Chem. 17, 256–259 (1992). https://doi.org/10.1007/BF02910850
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DOI: https://doi.org/10.1007/BF02910850