Synthesis of the A/E/F sections of conaconitine, napelline and related diterpenoid alkaloids of the aconitine group

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Lynn C. Baillie, Andrei Batsanov, John R. Bearder and Donald A. Whiting


Abstract

The tricyclic amines (±)-2; R = H and R = Me with five stereogenic centres, representing the A/E/F ring system of the title alkaloids, have been synthesised from penta-1,4-dien-3-ol in eight (overall yield 20%) and nine steps (overall yield 16%) respectively.


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