2-bromo-4,4-dimethylcyclohex-1-enecarbaldehyde is a useful building block in the preparation of biologically active molecules, e.g. efficient synthesis of Pentacyclic Triterpenes of the β-Amyrin Family.
An Exceptionally Short and Simple Enantioselective Total Synthesis of Pentacyclic Triterpenes of the β-Amyrin Family.
Gold-catalyzed cyclization-cycloaddition cascade reactions of allenyl acetals with nitrones. 
Gold-catalyzed cyclization of allenyl acetal derivatives.