Synthesis of the Tetracyclic Core of Berkelic Acid Using Gold(I)-Catalyzed Hydroarylation and Oxidative Radical Cyclizations
作者:Margaret A. Brimble、Isabell Haym、Jonathan Sperry、Daniel P. Furkert
DOI:10.1021/ol302536j
日期:2012.12.7
A synthetic approach to the tetracyclic core of berkelic acid is reported using gold(I)-catalyzed intramolecular hydroarylation and oxidative radicalcyclizations to effect the key ring-forming steps. The carboxylic acid was introduced via a late-stage palladium-catalyzed carbonylation to afford the core tetracycle with the correct relative stereochemistry for the natural product.