Synthesis, spectral and oxidase studies of a new diamide copper(II) complex with pendant benzimidazolyl groups |
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| Authors: | Upadhyay Sunil K Tehlan Sarita Mathur Pavan |
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| Institution: | Department of Chemistry, University of Delhi, Delhi 110007, India. |
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| Abstract: | A new benzimidazole-based diamide ligand-N,N'-bis(alanine-2-benzimidazolyl) hexanediamide (ABHA) has been synthesized and utilized to prepare Cu(II) complexes of general composition Cu(ABHA)X2].nH2O,where X is an exogenous anionic ligand (X=Cl-,NO3-). Low temperature EPR spectra has been obtained that shows gparallel>gperpendicular>2.0024, indicating a tetragonal geometry in the solution state. The complexes display a quasi-reversible redox wave due to the Cu(II)/Cu(I) reduction process. E1/2 values shift anodically as NO3-
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