Section 59
Chapter 58,301

Metal based drugs: design, synthesis and in-vitro antimicrobial screening of Co (II) , Ni (II) , Cu (II) and Zn (II) complexes with some new carboxamide derived compounds: crystal structures of N-[ethyl (propan-2-yl) carbamothioyl]thiophene-2-carboxamide and its copper (II) complex

Sumrra, S.H.; Hanif, M.; Chohan, Z.H.; Akram, M.S.; Akhtar, J.; Al-Shehri, S.M.

Journal of Enzyme Inhibition and Medicinal Chemistry 31(4): 590-598


ISSN/ISBN: 1475-6374
PMID: 26067080
DOI: 10.3109/14756366.2015.1050011
Accession: 058300556

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A new series of compounds derived from thiophene-2-carboxamide were synthesized and characterized by IR, (1)H-NMR and (13)C-NMR, mass spectrometry and elemental analysis. These compounds were further used to prepare their Co(II), Ni(II), Cu(II) and Zn(II) metal complexes. All metal(II) complexes were air and moisture stable. Physical, spectral and analytical data have shown the Ni(II) and Cu(II) complexes to exhibit distorted square-planar and Co(II) and Zn(II) complexes tetrahedral geometries. The ligand (L(1)) and its Cu(II) complex were characterized by the single-crystal X-ray diffraction method. All the ligands and their metal(II) complexes were screened for their in-vitro antimicrobial activity. The antibacterial and antifungal bioactivity data showed that the metal(II) complexes were found to be more potent than the parent ligands against one or more bacterial and fungal strains.

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