Novel gold(III) complexes have been synthesized with chelating ligands aimed at directing strong, sp3-hybridized C-H bonds toward gold(III) for electrophilic functionalization. Gold(III) complexes of 2-tert-butyl-1,10-phenanthroline and of N-(8-quinolinyl)amides have been synthesized and characterized. The 2-tert-butyl-1,10-phenanthroline ligand bonds to gold(III) in a monodentate fashion, while a bidentate binding mode is adopted by the N-(8-quinolinyl)amides. Changing the alkyl attached to the amide carbonyl in the complexes of the N-(8-quinolynyl)amides significantly impacts the geometries and colors of the complexes; the complex containing the tert-butyl alkyl is a unique green color. Current efforts are directed at screening conditions for intramolecular C-H bond activation reactions.

Gold(III) complexes for intramolecular functionalization of strong, sp3-hybridized C-H bonds

255th National Meeting (2018)

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