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Vol. 30 No. 7 (2018): Vol 30 Issue 7

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Some Mixed Ligand Complexes of Lanthanum(III) Using 1-Nitroso-2-napthol and Amino Acids

https://doi.org/10.14233/ajchem.2018.21264
G.A. Thakur
Department of Chemistry, Rayat Shikshan Sanstha’s, Mahatma Phule Arts, Science and Commerce College, Panvel-410 206, India
U.N. Dhaigude
Department of Chemistry, Rayat Shikshan Sanstha’s, Mahatma Phule Arts, Science and Commerce College, Panvel-410 206, India
S.S. Patil
Department of Chemistry, Changu Kana Thakur Arts, Commerce and Science College, New Panvel-410 206, India

Corresponding Author(s) : G.A. Thakur

ganeshthakur68@yahoo.co.in

Asian Journal of Chemistry, Vol. 30 No. 7 (2018): Vol 30 Issue 7

Abstract

This work describes the synthesis of three new mixed ligand ternary complexes of La(III) having the general formula [M(1N2N)2·(L)·2H2O] by employing 1-nitroso-2-naphthol (1N2N) primary ligand and L-valine, L-serine, L-isoleucine as secondary ligand. The complexes were characterized by thermal analysis, elemental analysis, electrical conductance, UV-visible spectrum and magnetic susceptibility measurement study. The non-electrolytic nature of the complexes was confirmed by molar conductance studies. Furthermore, the magnetic susceptibility study at room temperature showed that the lanthanum(III) complexes were diamagnetic in nature. Electronic absorption studies of the complexes also show intra-ligand and LMCT transitions, respectively. FT-IR studies confirmed the bonding between the metal ion and ligands via N- and O-donor atoms. The presence of coordinated water molecules was confirmed by thermal study. Additionally, these complexes were tested for antibacterial study by using agar cup and tube dilution method. All the complexes show moderate to good antibacterial activity.

Keywords

Lanthanum 1-Nitroso-2-napthol Amino acids Mixed ligand ternary complexes Antibacterial study
Thakur, G., Dhaigude, U., & Patil, S. (2018). Some Mixed Ligand Complexes of Lanthanum(III) Using 1-Nitroso-2-napthol and Amino Acids. Asian Journal of Chemistry, 30(7), 1585–1589. https://doi.org/10.14233/ajchem.2018.21264
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