Molecules 2006, 11(11), 904-914; doi:10.3390/11110904
Article

Copper(II) Complexes with Ligands Derived from 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one: Synthesis and Biological Activity

Tudor Rosu 1,* email, Simona Pasculescu 1 email, Veronica Lazar 2 email, Carmen Chifiriuc 2 email and Raluca Cernat 2 email
1 Faculty of Chemistry, Department of Inorganic Chemistry, University of Bucharest, 050107, Romania 2 Faculty of Biology, Department of Microbiology, University of Bucharest, 050107, Romania
* Author to whom correspondence should be addressed.
Received: 9 August 2006; in revised form: 22 September 2006 / Accepted: 5 November 2006 / Published: 17 November 2006
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Abstract: The synthesis of Cu(II) complexes derived from Schiff base ligands obtainedby the condensation of 2-hydroxybenzaldehyde or terephtalic aldehyde with 4-amino-antipyrine (4-amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one) is presented. The newlyprepared compounds were characterized by 1H-NMR, UV-VIS, IR and ESRspectroscopy. The determination of the antimicrobial activity of the ligands and of thecomplexes was carried out on samples of Escherichia coli, Klebsiella pneumoniae,Acinetobacter boumanii, Pseudomonas aeruginosa, Staphylococcus aureus and Candidasp. The qualitative and quantitative antimicrobial activity test results proved that all theprepared complexes are very active, especially against samples of Ps. aeruginosa, A.Boumanii, E. coli and S. aureus.
Keywords: Schiff bases; antimicrobial activity; copper complexes; aminoantipyrine.

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MDPI and ACS Style

Rosu, T.; Pasculescu, S.; Lazar, V.; Chifiriuc, C.; Cernat, R. Copper(II) Complexes with Ligands Derived from 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one: Synthesis and Biological Activity. Molecules 2006, 11, 904-914.

AMA Style

Rosu T, Pasculescu S, Lazar V, Chifiriuc C, Cernat R. Copper(II) Complexes with Ligands Derived from 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one: Synthesis and Biological Activity. Molecules. 2006; 11(11):904-914.

Chicago/Turabian Style

Rosu, Tudor; Pasculescu, Simona; Lazar, Veronica; Chifiriuc, Carmen; Cernat, Raluca. 2006. "Copper(II) Complexes with Ligands Derived from 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one: Synthesis and Biological Activity." Molecules 11, no. 11: 904-914.

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