Neodymium (III) and Samarium (III) Complexes of 2, 2′- ((1E, 1′E) - (1, 2- Phenylenebis(Azanlylidene) bis(Methanylylidene)) DiphenolLigand: Synthesis, Characterization and Biological Activity

Author:

Jimmyuwanta Emaime1ORCID,Ukoha Pius Oziri2ORCID,Ukpong Emmanuel Jimmy3ORCID,Johnson Andatim Sunday1ORCID

Affiliation:

1. 1,4Department of Pure and Industrial Chemistry, Faculty of Physical Sciences, Akwa Ibom State University Ikot Akpaden .Akwa Ibom State, Nigeria.

2. 2Department of Chemistry, Faculty of Science, University of Uyo, Uyo, Akwa Ibom State, Nigeria.

3. 3Department of Pure and Industrial Chemistry, Faculty of Physical Sciences, University of Nigeria,Nsukka, Enugu State, Nigeria.

Abstract

Complexes of Nd(III) and Sm(III) of a Schiff base ligand derived from the condensation of o-phenylenediamie and 2-hydroxybenzaldehyde were synthesised and characterised by various analytical and spectroscopic techniques. The analytical values revealed a metal to ligand ratio of 1:2 for the Nd(III) complex and a 1:1(ligand: metal) for Sm(III) complex. The complexes were characterised by elemental analysis, molar conductance, UV – Visible and infrared spectral studies. Plausible structures were proposed for Nd(BSOPD)2 and SmBSOPD based on the results obtained. In-vitro antimicrobial activities of both the Schiff base and the synthesised metal complexes were evaluated against six (6) human pathogens. The complexes showed significant activity compared to the free ligand. These complexes may be employed as active ingredients in the development of antibacterial and antifungal agents.

Publisher

Oriental Scientific Publishing Company

Subject

Drug Discovery,Environmental Chemistry,Biochemistry,General Chemistry

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