Synthesis of coordination compounds of dibutyltin(IV) with Schiff bases having nitrogen donor atoms |
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Institution: | Department of Chemistry, School of Liberal Arts and Sciences, Mody University of Science and Technology, Lakshmangarh, 332311, Sikar, Rajasthan, India |
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Abstract: | The new dibutyltin(IV) complexes of Schiff bases is designed & synthesis from the interaction between various substituted amines and aromatic aldehyde with general formula Bu2Sn(L1-7)2Cl2. Where L1: (E)-4-chloro-N-(thiophen-2-ylmethylene) aniline; L2: (E)-2-chloro-N-(3,4,5-trimethoxybenzylidene) aniline; L3: (E)-N-((1H-indol-3-yl) methylene)-4-chloro-2-nitroaniline; L4: (E)-4-nitro-N-(3,4,5-trimethoxybenzylidene) aniline; L5: (E)-N-(3,4,5-trimethoxybenzylidene) aniline; L6: (E)-4-nitro-N-(thiophen-3-ylmethylene) aniline; L7: (E)-4-chloro-2-nitro-N-(pyridin-3-ylmethylene) aniline. Analytical and spectroscopic methods, such as molar conductance measurement, UV–Vis, IR, NMR, and DFT studies, have been used to describe newly synthesised compounds. The DFT studies have also provided confirmation regarding the complexes' geometry. The results of the Tauc equation indicate that the fundamental band gap of the compound Bu2Sn(L5)2Cl2] is 2.670 eV, which is in agreement with the findings of DFT studies, which indicate that the band gap is 2.657 eV. The bactericidal effects of Schiff bases and their dibutyltin(IV) complexes were tested. The antibacterial activity of organotin(IV) complexes is enhanced in comparison to that of the free ligands. |
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Keywords: | Schiff base Organotin(IV) complexes Spectral Antibacterial DFT Studies |
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