Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5218775 | Tetrahedron | 2013 | 7 Pages |
Abstract
A synthetic strategy for the modeling construction of the A/E/F ring system of lycoctonine-type C19-diterpenoid alkaloids bearing a featuring oxygen functional group at C-7 has been successfully developed. The key steps involved a diastereoselective gold(I)-catalyzed annulation to form cis-fused cyclopentene and a PIDA-promoted intramolecular transannular aziridination followed by regioselective ring cleavage to give the azatricyclic amine.
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