Synlett · 1993 · 21 citations · 0 references
Natural SciencesMedicinal ChemistryCombinatorial ChemistryHeterocycle SynthesisHeterocyclic ChemistryHeterocyclic CompoundsPhotochemistryRetrosynthetic Analysis[2+2] Cycloaddition[4+2] CycloadditionPhotocyclization ReactionsRing-forming Reactions
The AB ring system was constructed from cyclohexane-1,3-diones by a direct route. The key steps included an intramolecular photocyclization and a fragmentation of a bridgehead carbocation.