Synthesis,characterization, and crystal structures of two Schiff base zinc(II) complexes with urease inhibitory activities |
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| Authors: | D H Shi Z L You |
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| Institution: | 1.School of Chemical Engineering,Huaihai Institute of Technology,Lianyungang,P.R. China;2.JiangSu-Marine Resources Development Research Institute,Lianyungang,P.R. China;3.Department of Chemistry and Chemical Engineering,Liaoning Normal University,Dalian,P.R. China |
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| Abstract: | Two Schiff base zinc(II) complexes, ZnBr2L1] · 2CH3OH (I) (I) and ZnBr2L2] (II), where L1 is 4-chloro-2-(2-piperazin-1-ylethylimino)methyl]phenol and L2 is 4-chloro-2-(3-diethylaminopropylimino)methyl]phenol were synthesized and structurally characterized. The crystal of I is monoclinic: space group P21/c, a = 9.831(3), b = 18.680(6), c = 11.879(4) Å, β = 94.660(6)°, V = 2174.3(11) Å3, Z = 4. The crystal of II is monoclinic: space group P21/n, a = 7.2310(14), b = 16.037(3), c = 15.856(3), β = 90.01(3)°, V = 1838.7(6) Å3, Z = 4. The Zn atom in each complex is four-coordinated by one phenolate O and one imine N atoms of the Schiff base ligand and two bromide atoms, forming a tetrahedral coordination. The urease inhibitory activities of the complexes were evaluated. |
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