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Öğe Synthesis, structural characterization, and biological evaluation of novel antimony(III) thiosemicarbazone complexes with uncommon geometries(Elsevier Science Sa, 2025) Ucar, Okan; Ozturk, Ibrahim I.; Grzeskiewicz, Anita M.; Kubicki, Maciej; Banti, Christina; Hadjikakou, Sotiris K.The synthesis, structural characterization, and biological evaluation of novel antimony(III) thiosemicarbazone complexes containing thiophene-derived ligands are reported. Two complexes were synthesized: {[SbBr2(kappa 2-N3, S-Hatetsc)]} (1) and {[SbCl2(eta 1-S-Hatmtsc)(kappa 2-N3,S-Hatmtsc)]} (2). X-ray crystallography revealed complex 1 adopts a distorted seesaw structure, while complex 2 has a distorted square pyramidal structure. Both complexes showed significant antiproliferative activity against HeLa cancer cells. They also exhibited enhanced antibacterial activity against Gram-negative bacteria, particularly Escherichia coli. This study highlights the potential of thiophene-based antimony(III) complexes as promising candidates for anticancer and antibacterial therapies.
