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SYNTHESIS, CHARACTERIZATION AND CRYSTAL STRUCTURE OF A POLYMERIC SILVER(I) COMPLEX WITH CYTOTOXIC PROPERTY

LI, Gang-Sen ; Zhang, Hua-Lin

Journal of the Chilean Chemical Society, 01 December 2015, Vol.60(4), pp.2677-2680 [Peer Reviewed Journal]

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  • Title:
    SYNTHESIS, CHARACTERIZATION AND CRYSTAL STRUCTURE OF A POLYMERIC SILVER(I) COMPLEX WITH CYTOTOXIC PROPERTY
  • Author: LI, Gang-Sen ; Zhang, Hua-Lin
  • Description: A new polymeric silver(I) complex, [Ag2(L¹)2(L²)(OH2)]n, was obtained by the reaction of 3-aminopyrazine-2-carboxylic acid (HL¹), 2-amino-5-methylpyridine (L²) and silver oxide in aqueous ammonia. The complex was characterized by elemental analysis, IR spectra and single crystal X-ray determination. The smallest repeat unit contains a [Ag2(L¹)2(L²)(OH2)] moiety. The Ag···Ag distance is 7.490(2) Å. One Ag atom is coordinated by three pyrazine N and two carboxylate O atoms from four L¹ ligands, forming a square pyramidal coordination, and the other one is coordinated by one pyrazine N and one carboxylate O atoms from a L¹ ligand, one pyridine N atom from a L² ligand, and one water O atom, forming a square planar geometry. In the crystal structure of the complex, the dinuclear silver moieties are linked through L¹ ligands, to form 1D chains along the x-axis direction. The chains are further linked through intermolecular hydrogen bonds in the y- and z-axis directions, forming a 3D network. In addition, there are π···π interactions among the chains. The complex showed effective cytotoxic property on human lung cancer cell line A549.
  • Is Part Of: Journal of the Chilean Chemical Society, 01 December 2015, Vol.60(4), pp.2677-2680
  • Identifier: ISSN: 0717-9707 ; E-ISSN: 0717-9707 ; DOI: 10.4067/S0717-97072015000400010
  • Subjects: Chemistry, Multidisciplinary ; Silver Complex ; Polymeric Complex ; 3-Aminopyrazine-2-Carboxylate ; 2-Amino-5-Methylpyridine ; Crystal Structure ; Cytotoxicity ; Chemistry
  • Language: Portuguese
  • Source: SciELO
    SciELO Chile
    SciELO Complete

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