Gold (III)-(Chloro)-Mono or Bis-(Triphenylphosphine) - (Naphthyl-Azo-Imidazole/ Benzimidazole/Pyridine) Complexes: Synthesis, Spectroscopic Study and Cyclic Voltammetric Study

Prithwiraj Byabartta

Abstract


Reaction of Gold(III) tetrachloride H[Au(Cl4)] with NaaiR´ in Acetone medium following ligand ( Triphenyl phosphine, PPh3) addition leads to [Au(PPh3)2(NaaiR/)] and [Au(PPh3)(Cl)(NaaiR/)], [ NaaiR/ = naphthyl-azo imidazole /benzimidazole /pyridine = C10H4-N=N- / C3H2-NN-1-R/, (R imidazole) / C7H4-NN-1-H (Benzimidazole),/ C3H4-N-(Pyridine), abbreviated as N,N/-chelator, where N(imidazole) and N(azo) represent N and N/, respectively; R/ = H(a), Me (b), PPh3 = Triphenyl phosphine, PPh3 ]. The 1H NMR spectral measurements suggest the molecular structure of bis chelated complex with the protons at the aromatic region and naphthyl protons at higher ∂ value. The voltammogram also shows a good result and support the complex formation.


Keywords


Gold(III), chloro-triphenylphosphine Naphthylazoimidazole, CV, NMR, IR, ESIMS.

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References


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