CyclizationPyransPrimed In Situ LabelingStereoisomerismMolecular StructureAlkenesAlkynesOxepinsPalladiumIntramolecular LyasesCatalysisAcetalsKetonesChemistry, OrganicPolyisoprenyl PhosphatesAlkadienesPeptides, CyclicCycloparaffinsCombinatorial Chemistry TechniquesLewis AcidsRhodiumIndole AlkaloidsDNA, SatelliteIsomerases