摘要：

4 N -diethyl- and 4 N -dipropylthiosemicarbazones of 2-acetylpyridine coordinate to Fe III , Co III and Co II centres as tridentate NNS ligands. Spectral and physical data indicates that the size of the 4 N -substituents can influence the stereochemistry and stoichiometry of the complexes, which show minimal ability to inhibit fungal growth and are considerably less active than the related copper(II) and nickel(II) complexes.

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