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Vol. 29 No. 11 (2017): Vol 29 Issue 11

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Synthesis and Characterization of Mn(II), Fe(III), Co(II), Ni(II) and Cu(II) Complexes of b-Diketone

https://doi.org/10.14233/ajchem.2017.20667
Narendra A. Bhise
Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India
Ashwini A. Agale
Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India
Suresh T. Gaikwad
Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India
Anjali S. Rajbhoj
Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India

Corresponding Author(s) : Anjali S. Rajbhoj

anjali.rajbhoj@gmail.com

Asian Journal of Chemistry, Vol. 29 No. 11 (2017): Vol 29 Issue 11

Abstract

It is well known that b-diketones are also formed through Baker-Venkataraman transformation. In the present case, 3-bromo-2-methylbenzoic acid reacts with ortho-hydroxyacetophenone at room temperature to yield ester. Ester on further Baker-Venkataraman transformation yields 1,3-diketone (L) i.e. 1-(3-bromo-2-methylphenyl)-3-hydroxy-3-(2-hydroxyphenyl)prop-2-en-1-one. Five complexes of Mn(II), Fe(III), Co(II), Ni(II) and Cu(II) with bidentate ligand (L), have been synthesized from reaction of the ligand (L) with respective metal nitrates. b-diketone exhibits keto-enol tautomerism, their keto-enol tautomerism was studied in solution by IR and NMR spectroscopy. Due to enolization b-diketone acts as ligand and hence used to synthesized Mn(II), Fe(III), Co(II), NI(II) and Cu(II) complexes. The synthesized ligand has been characterized by elemental analysis, 1H, 13C NMR, LC-MS and FT-IR. The magnetic susceptibility and solution conductivity were also studied. The synthesized complexes were also studied antimicrobial screening.

Keywords

Baker-Venkataraman transformation Metal complexes Magnetic susceptibility Solution conductivity Antimicrobial activity
Bhise, N. A., Agale, A. A., Gaikwad, S. T., & Rajbhoj, A. S. (2017). Synthesis and Characterization of Mn(II), Fe(III), Co(II), Ni(II) and Cu(II) Complexes of b-Diketone. Asian Journal of Chemistry, 29(11), 2372–2378. https://doi.org/10.14233/ajchem.2017.20667
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