Chemical and Pharmaceutical Bulletin · 2000 · 37 citations · 0 references
Natural SciencesChemistryMedicinal ChemistryDrug DiscoveryOrganic ChemistrySynthetic Medicinal ChemistryAlkaloid BiosynthesisHeterocycle SynthesisHeterocyclic ChemistryHeterocyclic CompoundsOrganic SynthesisRetrosynthetic AnalysisAlkaloid Skeleton FormationAmino Acid-derived HeterocyclesHeterocyclic Medicinal ChemistryMedicinal HeterocyclesPlant AlkaloidsPrecursor Compounds
Biogenetic-like one-step construction of the pentacyclic aminal core of zoanthamine/norzoanthamine alkaloids was accomplished in high yield from the suitably protected monocyclic aminohydroxy diketocarboxylic acid 7 by heating in aqueous acetic acid.