Synthesis, crystal structure and antiradical effect of copper(II) Schiff base complexes containing five-, six- and unusual seven-membered rings |
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Authors: | Puterová Zita Valentová Jindra Bojková Zuzana Kožíšek Jozef Devínsky Ferdinand |
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Institution: | Department of Chemical Theory of Drugs, Comenius University, Bratislava, Slovakia. puterova@fpharm.uniba.sk |
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Abstract: | The synthesis and solid-state structure of mononuclear copper(II) complexes Cu(SAIB)(H(2)O)(2)] (1), Cu(SBAIB)(H(2)O)(2)]·H(2)O (2) and Cu(SGABA)(H(2)O)(2)] (3) are described. Schiff base ligands H(2)SAIB, H(2)SBAIB and H(2)SGABA chelate the copper(II) ion in an O,N,O tridentate fashion. The square-pyramidal geometry of the final complexes is completed by two water ligands. The formation of an unusual seven-membered ring in the set of copper(II) N-salicylidene-aminoacidates is reported. Compounds 1-3 were evaluated by the antiradical activity assay. |
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