Organic Letters p. 5820 - 5823 (2012)
Update date:2022-08-04
Topics:
Brimble, Margaret A.
Haym, Isabell
Sperry, Jonathan
Furkert, Daniel P.
A synthetic approach to the tetracyclic core of berkelic acid is reported using gold(I)-catalyzed intramolecular hydroarylation and oxidative radical cyclizations 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.
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Doi:10.1016/S0040-4039(00)91700-3
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