Synthesis and Characterization of Tetradentate Schiff Base Ligand Containing 3,4-Diamino Benzophenone and Investigation of Complex Formation with Ni (II), Cu (II) and Co (II) metal ions
Abstract
Compound that is a novel tetradentate Schiff base ligand [(3,4-bis(((E)-4-(diethylamino)-2-hydroxybenzylidene)amino)phenyl)(phenyl) methanone] (1), 4-(diethylamino) It was synthesized by the reaction of (3,4-diaminophenyl)(phenyl)methanone with -2-hydroxybenzaldehyde. Complex reactions with Co(II) (1a), Cu(II) (1b) and Ni(II) (1c) metals were prepared based on the obtained Schiff base ligand. The synthesized Schiff base and its Ni(II), Cu(II) and Co(II) complexes were featured using FT-IR, UV-vis, photoluminescence, mass and 1H and 13C-NMR spectroscopy. The characterization processes show that the tetradentate Schiff base compound coordinates with metal ions, oxygen of the hydroxyl group and nitrogen of the azomethine group.
Keywords
Tetradentate Schiff base, Metal complex, Diaminobenzophenone
References
- [1] Ejidike, I.P., Ajibade, P.A., Synthesis, characterization and biological studies of metal(II) complexes of (3E)-3-[(2-{(E)-[1-(2,4-Dihydroxyphenyl) ethylidene]amino}ethyl)imino]-1-phenylbutan-1-one schiff base, Molecules, 20 (6) (2015) 9788–9802.
- [2] Ramesh, R., Suganthy, P.K., and Natarajan, K. Synthesis, spectra and electrochemistry of Ru(III) complexes with tetradentate schiff bases, Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 26 (1) (1996) 47–60.
- [3] Neelakantan M.A., Marriappan S.S., Dharmaraja J., Jeyakumar T., Muthukumaran K., Spectral, XRD, SEM and biological activities of transition metal complexes of polydentate ligands containing thiazole moiety, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 71(2) (2008) 628–635.
- [4] Joseyphus R.S., Nair M.S., Antibacterial and Antifungal Studies on Some Schiff Base Complexes of Zinc(II), Mycobiology, 36 (2) (2008) 93.
- [5] Kumar, S., Dhar, D.N., and Saxena, P.N. Applications of metal complexes of Schiff bases-A review. Journal of Scientific and Industrial Research. 68 (3), (2009) 181–187.
- [6] Tümer M., Köksal H., Serin S.,Digrak M., Antimicrobial activity studies of mononuclear and binuclear mixed-ligand copper(II) complexes derived from Schiff base ligands and 1,10-phenanthroline, Transition Metal Chemistry, 24 (1), (1999) 13–17.
- [7] Ammar, R.A.A. and Alaghaz, A.N.M.A. Synthesis, spectroscopic characterization and potentiometric studies of a tetradentate [N2O2] schiff base, N,N’-bis(2-hydroxybenzylidene)-1,1-diaminoethane and its Co(II),Ni(II),Cu(II) and Zn(II) complexes, International Journal of Electrochemical Science, 8(6) (2013) 8686–8699.
- [8] de Fátima, Â., Pereira, C. de P., Olímpio, C.R.S.D.G., de Freitas Oliveira, B.G., Franco, L.L., and da Silva, P.H.C. Schiff bases and their metal complexes as urease inhibitors – A brief review, Journal of Advanced Research, 13, (2018) 113–126.
- [9] More M.S., Joshi P.G., Mishra Y.K., , Khanna P.K., Metal complexes driven from Schiff bases and semicarbazones for biomedical and allied applications: a review, Materials Today Chemistry, 14 (2019) 100-195.
- [10] I. Khan M., Gul S., Ali Khan, M. Schiff Bases, Their Metallic Derivatives: Highly Versatile Molecules with Biological and Abiological Perspective, Stability and Applications of Coordination Compounds, (2020) 1–15.