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Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   FEBRUARY 2014 , Volume 11 , Number 1; Page(s) 169 To 178.
 
Paper: 

SYNTHESIS, CHARACTERIZATION, AND BIOLOGICAL ACTIVITIES OF HOMO- AND HETEROBIMETALLIC COMPLEXES OF SN (IV) AND PD (II) WITH 2-MERCAPTO-5-METHYL BENZIMIDAZOLE

 
 
Author(s):  RAFIQ M., ALI S.*, SHAHZADI S.*, SHAHID M., SHARMA S.K., QANUNGO K.
 
* DEPARTMENT OF CHEMISTRY, GC UNIVERSITY, FAISALABAD, PAKISTAN
 
Abstract: 

Organotin complexes have been synthesized by refluxing 2-mercapto-5-methyl benzimidazole with R2SnCl2/R3SnCl (R=Me, n-Bu, Ph) in 1:1 molar ratio in the first step. In the second step, synthesized organotin (IV) complexes were treated with CS2 and R2SnCl2/R3SnCl/PdCl2 to yield homo- and heterobimetallic complexes. The composition of the synthesized complexes, the bonding behavior of the donor groups, and structural assignments were studied by elemental analysis and different spectral techniques, including IR and multinuclear NMR (1H, 13C). The IR data shows bidentate nature of the ligand which is also confirmed by semiempirical study, while NMR data confirms the four-coordinated geometry in solution. The free ligand and its respective homo- and heterobimetallic complexes were screened in vitro against a number of microorganisms to assess their biocidal properties. The biological activity data show that complexes exhibits significant antibacterial and antifungal activities as compared to ligand with few exceptions.

 
Keyword(s): 2-MERCAPTO-5-METHYL BENZIMIDAZOLE, SN (IV), PD (II), IR, NMR, SEMIEMPIRICAL STUDY, ANTIBACTERIAL, ANTIFUNGAL, MIC
 
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