Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2016 Vol: 8 Issue: 7

Synthesis, Characterisation and Antimicrobial Activity of Mannich base Transition Metal Complexes derived from 3-(diethanolamin-1-ylmethyl)benzene-1,2-diol

Abstract

A new Mannich base (HL1) was synthesized from catechol/diethanolamine and characterised by IR, UV-Vis, 1H and 13C NMR spectroscopy. Co (II), Ni (II) and Cu (II) of the ligand were also prepared in ratio (1:1) and their IR, UVVis spectroscopy and TGA data reported. All complexes have octahedral configuration. The biological activities of the metal chelates against fourteen bacteria are also reported. Most of the complexes have higher activities than those of the free Mannich base.