Research Article

Synthesis, Characterization, Antimicrobial Properties, and Antioxidant Activities of Silver-N-Heterocyclic Carbene Complexes

Table 1

Physical and spectroscopic properties of silver-carbene complexes 3a-3j.

CompoundsMolecular formulaIsolated yield (%)M.p (°C)FT-IR ν(CN)(cm−1)13C NMR Ag-C (carbene) (ppm)a

3aC26H35AgClN3O78236-2371442Not observed
3bC27H37AgClN3O77243-2441443Not observed
3cC22H33AgBrN3O34227-2281443Not observed
3dC20H29AgBrN3O7073-741446Not observed
3eC22H26AgCl2N3O80227-2281441Not observed
3fC22H27AgClN3O70214-2151440Not observed
3gC18H27AgClN3O267114-1151434Not observed
3hC19H29AgClN3O258250-2511444Not observed
3iC30H43AgBrN3O62177-1781449Not observed
3jC26H35AgBrN3O62101-1021446Not observed

[a]Ag–C(carbene) bond resonance was not observed as a reason for the fluxional behavior of the Ag–NHCs [44]. Bold values represent the number of the synthesized compounds.