Tetrahedron Letters p. 2473 - 2476 (1987)
Update date:2022-08-30
Topics:
Mazzocchi, Paul H.
King, Cliff R.
Ammon, Herman L.
The fully functionalized ring system of the berberine alkaloid chilinene has been prepared in a seven step synthesis.Key steps in the synthesis are the photocyclization of an imide-thioether and the oxidative formation with Pb(OAc)4 of a novel hexacyclic orthoester which led directly to the desired product.
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(1972)Doi:10.1016/j.tet.2006.03.118
(2006)
