New dimeric, trimeric and supramolecular organotin(IV) dithiocarboxylates: Synthesis, structural characterization and biocidal activities |
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| Authors: | Zia-ur-Rehman Niaz Muhammad Shaukat Shuja Saqib Ali Ian S Butler Auke Meetsma Momin Khan |
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| Institution: | aDepartment of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan;bDepartment of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec, Canada H3A2K6;cCrystal Structure Center, Chemical Physics, Zernike, Institute for Advanced Materials, University of Groningen, Nijenborgh 4, NL-9747 AG Groningen, The Netherlands;dCentre of Biotechnology, University of Peshawar, Peshawar, Pakistan |
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| Abstract: | Some new tri-, chlorodi- and diorganotin(IV) dithiocarboxylates (1–10) of 4-benzylpiperidine-1-carbodithioate ligand (L), with general formulae R3SnL {R = n-C4H9 (1), C6H11 (2), CH3 (3) and C6H5 (4)}, R2SnClL {R = n-C4H9 (5), C2H5 (7), CH3 (9)} and R2SnL2 {R = n-C4H9 (6), C2H5 (8), CH3 (10)}, have been synthesized by the reaction of organotin(IV) chlorides with the ligand-salt in the appropriate molar ratio. Elemental analysis, Raman, IR, multinuclear NMR (1H, 13C and 119Sn) and X-ray crystallographic studies have been undertaken to elucidate the structures of the complexes, both in solution and in solid state. Single-crystal X-ray diffraction study indicate trimeric, dimeric, supramolecular cyclic and supramolecular zig–zag chain structures for complexes 2, 4, 6 and 9, respectively. Square-pyramidal geometry is attributed to complex 9 on the basis of the τ value (0.4). A subsequent antimicrobial study indicates that the compounds are biologically active. |
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| Keywords: | Organotin(IV) 4-benzylpiperidine-1-carbodithioates Trimeric Dimeric Supramolecular Antifungal Antibacterial |
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