Journal
POLYHEDRON
Volume 38, Issue 1, Pages 285-290Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2012.03.017
Keywords
Hydrazones; Copper(II) complexes; Antimicrobial activity
Categories
Funding
- CNPq
- INCT-INOFAR [Proc. CNPq 573.364/2008-6]
- FAPESP (Brazil)
- CONICET (Argentina)
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Complexes [Cu(2AcPh)Cl]center dot 2H(2)O (1), [Cu(2AcpClPh)Cl]center dot 2H(2)O (2), [Cu(2AcpNO(2)Ph)Cl] (3), [Cu(2BzPh)Cl] (4). [Cu(2BzpClPh)Cl] (5) and [Cu(2BzpNO(2)Ph)Cl] (6) were obtained with 2-acetylpyridine-phenylhydrazone (H2AcPh), 2-acetylpyridine-para-chloro-phenylhydrazone (H2AcpClPh), 2-acetylpyridine-para-nitro-phenylhydrazone (H2AcpNO(2)Ph), 2-benzoylpyridine-phenylhydrazone (H2BzPh), 2-benzoylpyridine-para-chloro-phenylhydrazone (H2BzpClPh) and 2-benzoylpyridine-para-nitro-phenylhydrazone (H2BzpNO(2)Ph). The hydrazones showed poor antibacterial effect against Staphylococcus aureus, Enterococcus faecalis and Pseudomonas aeruginosa but demonstrated significant antifungal activity against Candida albicans. Upon coordination to copper(II) the antibacterial and antifungal activities appreciably increased. H2AcpClPh, H2BzpClPh and their copper(II) complexes (2) and (5), respectively, were as active as fluconazole against C. albicans. (C) 2012 Elsevier Ltd. All rights reserved.
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