Abstract
In the present study, we have synthesized Ag, Rh, and Ir complexes of a silyl-substituted NHC ligand in order to investigate their biological properties. Firstly, Ag-NHC ( 2 ) complex was synthesized by the interaction of Ag 2 O with benzimidazolium iodide ( 1 ). Rh- ( 3 ) and Ir-NHC ( 4 ) complexes were synthesized by the transmetalation reaction between Ag-NHC and [M(cod)Cl] 2 (M = Rh or Ir) dimers. The complexes were characterised by NMR spectroscopy and elemental analyses, and crystal structures of Rh- and Ir-NHC ( 3 and 4 ) were also reported. The cytotoxic effects of the complexes were tested on four human cancer cell lines and the antimicrobial activities of the complexes were tested against a panel of nine pathogenic microorganisms. The complexes performed comparable or better activity than standards, cisplatin and AgNO 3 .
Published Version
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