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Tin(IV) complexes of 2‐benzoylpyridine N (4)‐phenyl‐thiosemicarbazone: spectral characterization, structural studies and antifungal activity

2003; Wiley; Volume: 17; Issue: 12 Linguagem: Inglês

10.1002/aoc.547

1099-0739

A.P. Rebolledo, Geraldo Μ. de Lima, Lillian do Nascimento Gambi, Nivaldo L. Speziali, D.F. Maia, Carlos B. Pinheiro, José D. Ardisson, María Esperanza Cortés, Heloísa Beraldo,

Crystal structures of chemical compounds

Abstract Three tin(IV) complexes of 2‐benzoylpyridine N (4)‐phenylthiosemicarbazone (H2Bz4Ph) were prepared: [Sn(L)Cl 3 ] (1), [BuSn(L)Cl 2 ] (2) and [(Bu) 2 Sn(L)Cl] (3), in which L stands for the anionic ligand formed upon complexation with deprotonation and release of HCl. The complexes were characterized by a number of spectroscopic techniques. The crystal structures of H2Bz4Ph and complex 3 were determined. The antifungal activity of the ligand and its tin(IV) complexes was tested against Candida albicans . The thiosemicarbazone proved to be more active than the tin(IV) complexes. Copyright © 2003 John Wiley & Sons, Ltd.