The concept of carbocycle-heterocycle equivalency has been utilised to assemble the framework of fawcettimine-serratininegroup of alkaloids from 1,5-cyclooctadiene through a common tricarbocyclic intermediate 3.
Strategy for cyclopentenone annulation of olefins: A general protocol for bicyclo [n.3.0] enone synthesis
作者:Goverdhan Mehta、K.Srinivas Rao
DOI:10.1016/s0040-4039(01)90055-3
日期:——
Several bicyclic α-chloro enones obtained through Greene annulation of cyclic olefins are shown to undergo efficient, two step, enone transposition via Luche reduction and aq. formic acid treatment. Application of this methodology to the formal synthesis of exaltone® and (±)-muscone is described.