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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BUJ7-0015-0084

Czasopismo

Polish Journal of Chemistry

Tytuł artykułu

Synthesis, Characterization and Biological Evaluation of 4-Methyl-7-(salicylidineamino)coumarin Metal(II) Complexes

Autorzy El-Husseiny, A. F. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Four transition M(II) complexes [where M = Cu(II), Zn(II), Cd(II) and Pd(II)] of the organic ligand, 4-methyl-7-(salicylidineamino)coumarin, HL, have been synthesized and characterized by a variety of physicochemical techniques. An octahedral structure is proposed for Cd(II) complex, a tetrahedral structure for the Zn(II) complex while square planar for Pd(II) complex. Thermal decomposition study of the ligand and its metal complexes was monitored by TG and DTG analyses under N2 atmosphere. The decomposition course and steps were analyzed and the activation parameters of the nonisothermal de composition are determined. The negative values of Delta S* indicated the ordered structures of the prepared complexes compared to their starting reactants. The ligand HL and its metal complexes exhibited good antibacterial activities against Escherichia coli and Bacillus subtilis species.
Słowa kluczowe
EN Schiff base   coumarin   thermal analysis   antimicrobial activity  
Wydawca Polskie Towarzystwo Chemiczne
Czasopismo Polish Journal of Chemistry
Rocznik 2009
Tom Vol. 83, nr 10
Strony 1745--1755
Opis fizyczny Bibliogr. 29 poz., rys.
Twórcy
autor El-Husseiny, A. F.
  • Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt Tel: +203 42 700 24, Fax: +203 39 11 794, dr_amelfawzy@ya hoo.com
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