Tandem imination/annulation of γ- and δ-ketoalkynes in the presence of ammonia/amines

In this account, we summarize the peculiar effects and advantages of gold, silver, and titanium dual role catalysis over the uncatalyzed tandem imination/annulation processes of γ- and δ-ketoalkynes.

The peculiar effects and advantages of gold, silver, and titanium dual role catalysis over the uncatalyzed tandem imination/annulation processes of γ- and δ-ketoalkynes are described.Figure optionsDownload as PowerPoint slide