Tetrahedron p. 8285 - 8294 (1992)
Update date:2022-08-03
Topics:
Beugelmans
Bois-Choussy
The S(RN)1 reactions between o-iodobenzamides and the enolate anion from 2-acetyl homoveratric acid lead to key tricyclic compounds which are easily converted to either berberine or benzo [c] phenanthridine ring systems providing thus a highly-yielding and versatile access to both classes of alkaloids.
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