Stereoselective One‐Pot Synthesis of 1‐Aminoindanes and 5,6‐Fused Azacycles Using a Gold‐Catalyzed Redox‐Pinacol‐Mannich‐Michael Cascade

Just another Mannich Monday: A cascade intramolecular redox-pinacol-Mannich-Michael reaction sequence catalyzed by gold complexes can be used to generate a variety of structures including spirocycles, 1-aminoindanes, and 5,6-fused azabicycles that have a quaternary carbon center. The reaction is characterized by complete atom-economy, high diastereoselectivity, and remarkable efficiency through tandem reactions.