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Synthesis,characterization, and antibacterial activity of two zinc(II) complexes with Schiff bases derived from rimantadine |
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| Authors: | X. D. Jin C. Xu X. Y. Yin H. B. Wang Z. Y. Zou D. L. Liu C. H. Ge X. H. Chang Y. H. Jin |
| Affiliation: | 1. College of Chemistry, Liaoning University, Shenyang, 110036, P.R. China 2. Department of Life Science, Liaoning University, Shenyang, 110036, P.R. China 3. Liaoning Provincial Institute of Measurement, Shenyang, 110036, P.R. China |
| Abstract: | The reactions of zinc(II) chloride and two Schiff base ligands derived from rimantadine and 5-chlorosalicylaldehyde/4-methoxysalicylaldehydes, generated two novel complexes [Zn(L1)2Cl2] (I) and [Zn(L2)2Cl2] (II), where L1 = 2-((1-(1-adamantan-1-yl)ethyl)-iminomethyl)-4-chlorophenol, L2 = 2-((1-(1-adamantan-1-yl)ethyl)iminomethyl)-5-methoxyphenol. The complexes were characterized by the means of IR, 1H NMR, elemental analysis, molar conductance and thermal analysis. A single-crystal X-ray diffraction analysis reveals that both complexes crystallize in orthorhombic system, space group Fdd2 for I and Pbcn for II. In two complexes crystals, each asymmetric unit consists of one zinc(II) ion, two corresponding Schiff base ligands and two chlorine atoms; the central zinc atom lies on a twofold rotation axis and is four-coordinate via two chlorine atoms and two oxygen atoms from the Schiff base ligands, forming a distorted tetrahedral geometry. |
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