Synthesis, Characterization and Antimicrobial Studies of Co(II), Ni(II), Cu(II) and Zn(II) Complexes of (E)-2-(4-Dimethylbenzydimino)-Glycylglycine, (Glygly-DAB) a Schiff Base Derived from 4-Dimethylaminobenzaldehyde and Glycylglycine
- 1 Department of Inorganic Chemistry, Faculty of Science, University of Yaounde 1, Yaoundé, Cameroon
- 2 Department of Chemistry, Faculty of Science, University of Douala, Douala, Cameroon
- 3 Department of Inorganic Chemistry, Faculty of Science, University of Yaounde 1, Yaoundé, Cameroon
- 4 Department of Inorganic Chemistry, Faculty of Science, University of Yaounde 1, Yaoundé, Cameroon
- 5 Department of Inorganic Chemistry, Faculty of Science, University of Yaounde 1, Yaoundé, Cameroon
- 6 Department of Inorganic Chemistry, Faculty of Science, University of Yaounde 1, Yaoundé, Cameroon
Abstract
A tridentate Schiff base ligand, (E)-2-(4-dimethylbenzydimino) glycylglycine (glygly-DAB), derived from the condensation of 4-Dimethylaminobenzaldehyde (D AB) and glycylglycine (glygly) together with its Co(II), Ni(II), Cu(II) and Zn(II) complexes have been synthesized and characterized using various physico-chemical methods including C,H,N elemental analysis, melting point determination, molar conductivity measurement, IR, 1 H NMR and UV-Vis. The ligand and metal complexes were screened in vitro for antimicrobial and antifungal activities on four bacterial strains ( Staphylococcus aureus , Escherichia coli , Salmonella thyphi and Pseudomonas aeruginosa ) and two fungal strains ( Candida albicans and Cryptococcus neoformans ). glygly-DAB showed remarkable antifungal activities on all the fungal strains and antibacterial activities on one bacterial strain.
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