Nuclear Magnetic Resonance and Infra Red Spectroscopic Studies of some Metal Complexes of Maleoyl-p-Aminobenzoic acid
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Faculties of Life and Physical Sciences, University of Ilorin, Nigeria
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Abstract
Metal complexes of p-Aminobenzoic acid derivative of maleic anhydride were investigated. Thus, N-(4-carboxy-phenyl) maleimide and its sodium salt (sodium N-maleoylbenzoate) were prepared. The sodium salt was complexed with some transition metals (Co2+, Ni2+, Zn2+ and Cu2+). Complexes separated as precipitates from the reaction mixtures and were characterized by spectroscopic studies.