Electronic Properties of Gold(I) Compounds and Their Chemical Reactions
Author Information
Author(s): John P. Fackler, Jr., Zerihun Assefa, Jennifer M. Forward, Tiffany A. Grant
Primary Institution: Texas A&M University
Hypothesis
The chemical reactivity of Au(I) compounds is related to their HOMO-LUMO energy separation.
Conclusion
The study demonstrates that NO and O2 rapidly quench the excited state of Au(I) complexes, which may relate to their drug action in preventing cytotoxic peroxynitrite formation.
Supporting Evidence
- Many Au(I) complexes show visible luminescence when the LUMO becomes the excited state by UV excitation.
- Dioxygen and radicals such as NO rapidly quench the excited state of Au(I) complexes.
- Gold drugs may inhibit the formation of peroxynitrite, a cytotoxic agent, in cells.
Takeaway
Gold compounds can glow when light hits them, and they can react quickly with certain gases, which might help in treating diseases like arthritis.
Methodology
The study involved luminescence measurements and NMR studies to investigate the properties of Au(I) complexes in water.
Limitations
The study did not test the interaction of Au(I) compounds with peroxynitrite directly.
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