期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1180, 期 -, 页码 861-877出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2018.12.032
关键词
Cu ternary complexes; SEM, EDX, GC-MS, Vis, IR, XRD, ESR, TGA, DTG and DTA; Anticonvulsant effect albino mice
Novel series of ternary complexes of Cu2+ with antiepileptic drug (Gpn) and neurotransmitters (Gly, Asp, Glu, Ser, GABA and Ade) were synthesized. Surface morphology of the complexes and their chemical composition were studied using elemental analysis, SEM and EDX spectrum. Majority of the complexes were non-electrolytes. Molecular weight and purity was confirmed using GC-MS spectrum. Crystallo-graphic parameters were calculated for the complexes from their XRD data using Expo2014 computer program showing monoclinic and orthorhombic crystal systems with space group P 1 21 1 and P 2 21 21. Crystal structural data, UV-Vis spectra and magnetic moment values indicate distorted square planar and pseudo tetrahedral stereochemistry. IR data reveal that Cu2+ is bonded through COOH of the Gpn and NH2, COO- of the amino acids. ESR spectra showed d(x)2(-y)2 ground state for the Cu2+. TGA, DTG, DTA and the suggested decomposition mechanism confirm the proposed structure of the complexes. The complexes [Cu(Gpn)(Asp)(H2O)]center dot 5H(2)O, [Cu(Gpn)(Ser)Cl] and [Cu(Gpn)(Ade)Cl-2]center dot 5H(2)O showed superior anticonvulsant activity compared to gabapentin since they significantly reduced the seizure score compared to PTZ group in male Albino mice. Also, the complex [Cu(Gpn)(Asp)(H2O)]center dot 5H(2)O was the only that markedly prolonged the latency time compared to Gpn group. (C) 2018 Elsevier B.V. All rights reserved.
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