A Total Synthesis of (±)-3‑O‑Demethylmacronine through Rearrangement of a Precursor Embodying the Haemanthidine Alkaloid Framework
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A total synthesis of the racemic modification, (±)-2, of the tazettine-type alkaloid 3-O-demethylmacronine is described. The key steps are an intramolecular Alder-ene (IMAE) reaction and a lactam-to-lactone rearrangement of tetracycle 13, a compound that embodies the haemanthidine alkaloid framework.
创建时间:
2017-03-31



