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Synthesis, characterization, biological activities of dimethyltin(IV) complexes of Schiff bases with ONO-type donors

  • Gaziosmanpasa University
  • Ankara University
  • Hacettepe University

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

Four different dimethyltin(IV) complexes of Schiff bases derived from 2-amino-3-hydroxypyridine and different substituted salicylaldehydes have been synthesized. The compounds, with the general formula [Me2Sn(2-OArCH{double bond, long}NC5H3NO)], where Ar = -C6H3(5-CH3) [Me2SnL1], -C6H3(5-NO2) [Me2SnL2], -C6H2(3,5-Cl2) [Me2SnL3], and -C6H2(3,5-I2) [Me2SnL4], were characterized by IR, NMR (1H and 13C), mass spectroscopy and elemental analysis. Me2SnL3 was also characterized by X-ray diffraction analysis and shows a fivefold C2NO2 coordination with distorted square pyramidal geometry. H3C-Sn-CH3 angles in the complexes were calculated using Lockhart's equations with the 1J(117/119Sn-13C) and 2J(117/119Sn-1H) values (from the 1H-NMR and 13C-NMR spectra). The in vitro antibacterial and antifungal activities of dimethyltin(IV) complexes were also investigated.

Original languageEnglish
Pages (from-to)929-935
Number of pages7
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume72
Issue number5
DOIs
Publication statusPublished - Jun 2009

Keywords

  • Antibacterial
  • Antifungal
  • Crystal structure
  • Diorganotin(IV)
  • Schiff base

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