Novel gold(III) complexes with N-(8-quinolinyl)amide based ligands have been synthesized. Complexes were characterized that have either a tert-butyl or 3-pentyl group attached to the amide. Varying the alkyl group substantially impacted the geometry and resulted in different stabilities and colors. The geometry of the 3-pentyl ligand allows for ground state resonance stabilization between the amide and the carbonyl, stabilizing the complex overall and resulting in a yellow color. The tert-butyl complex is less stable, and it has a unique green color due to lower energy light absorption in the visible range. Current research is directed toward synthesizing gold(III) complexes with aryl groups attached to the amide.

Synthesis of gold(III) complexes containing N-(8-quinolinyl)amide ligands

ACS Spring 2022

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