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Synthesis, characterization, and crystal structures of two Schiff base zinc(II) complexes with urease inhibitory activities

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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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Authors and Affiliations

  1. School of Chemical Engineering, Huaihai Institute of Technology, Lianyungang, 222005, P.R. China

    D. H. Shi

  2. JiangSu-Marine Resources Development Research Institute, Lianyungang, 222005, P.R. China

    D. H. Shi

  3. Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 116029, P.R. China

    Z. L. You

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  1. D. H. Shi
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  2. Z. L. You
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Correspondence to D. H. Shi.

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Shi, D.H., You, Z.L. Synthesis, characterization, and crystal structures of two Schiff base zinc(II) complexes with urease inhibitory activities. Russ J Coord Chem 36, 535–540 (2010). https://doi.org/10.1134/S1070328410070109

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  • DOI: https://doi.org/10.1134/S1070328410070109

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