Intramolecular radical allylation with allylic sulfones a synthesis of (±)-botryodiplodin

Article abstract of DOI:10.1016/S0040-4039(99)00486-4

Isopropenyl-5-membered-ring acetal or lactone are potential precursors of (±)-botryodiplodin (1). Several pathways, involving 5-exo-trig ring closure onto allylic sulfones, have been investigated. The iodine atom transfer methodology allowed the preparati