A stereospecific approach to advanced precursors of the dictyol diterpenes using the alicyclic Claisen rearrangement
Abstract
The perhydroazulenes (9a) and (9b), potential precursors of the Dictyol diterpenes, have been obtained by stereospecific alicyclic Claisen rearrangements of silyl enolates derived from the lactones (8a) and (8b).