Abstract
A number of new Co(III) dimethylglyoximates containing N-pyrimidinylsulfanilamides were obtained. These complexes of the general formula [Co(N3)(DH)2L] (I–V) (where DH is the dimethylglyoxime monoanion and L are N-pyrimidinylsulfanilamides NH2-C6H4-SO2-NH-R with different substituents R) are expected to have antibacterial properties. Their structures were examined by IR, electronic absorption, and NMR spectroscopy and X-ray diffraction. They were classified among cobalt(III) trans dioximates. In all the complexes obtained, the cobalt atom coordinates to four N atoms of two dimethylglyoxime residues. The octahedral environment of the metal atom is completed with the amino N atom of the neutral molecule L and the N atom of the azide anion. In the crystal structures, complexes I–V are united through intermolecular hydrogen bonds N-H…O, N-H…N, and O-H…O, in which the groups −NH2 and =NH of the ligand L and water molecules (for I, IV, and V) serve as proton donors.
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Original Russian Text © E. Melnic, P. Bourosh, A. Rija, J. Lipkowski, O.A. Bologa, I. Bulhac, E. Coropceanu, V.N. Shafranski, 2012, published in Koordinatsionnaya Khimiya, 2012, Vol. 38, No. 9, pp. 646–657.
This work is devoted to the 90th anniversary of Academician of the Academy of Sciences of Moldova Tadeusz Malinowski, the founder of the Moldavian School of Crystallography.
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Melnic, E., Bourosh, P., Rija, A. et al. Cobalt(III) azide dimethylglyoximates with some sulfanilamide derivatives: Synthesis and crystal structures. Russ J Coord Chem 38, 623–633 (2012). https://doi.org/10.1134/S107032841208009X
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DOI: https://doi.org/10.1134/S107032841208009X