Synthesis of the naturally occurring [3.3.3]propellane (±)-modhephene featuring a photocycloaddition–reductive fragmentation diquinane construction
Abstract
Modhephene has been synthesized in 11 steps and 21% overall yield from cyclopentadiene, by a stereoselective route that features a photocycloaddition–fragmentation sequence for the construction of the diquinane core.