First Total Synthesis of Amaryllidaceae Alkaloids of the 5,11-Methanomorphanthridine Type. An Efficient Total Synthesis of (+/-)-Pancracine

Article abstract of DOI:10.1021/jo00017a002

A tandem aza-Cope rearrangement-Mannich cyclization (9 -> 3) is the central step in a concise total synthesis of (+/-)-pancracine.