A cyclobutene bridgehead olefin approach to the germacranes
作者:Stuart L. Schreiber、Conrad Santini
DOI:10.1016/s0040-4039(01)83004-5
日期:1981.1
A model study for the synthesis of the germacranes is described which utilizes a consecutive oxy-Cope/cyclobutene ring opening rearrangement sequence. The β,γ-unsaturated enone necessary for the rearrangement is obtained directly from the photocycloaddition of allene and cyclohexenone.