Tetrahedron Letters p. 5727 - 5730 (1994)
Update date:2022-08-16
Topics:
Lopez, Dolores
Quinoa, Emilio
Riguera, Ricardo
The photooxidation of thebaine (1) produces a highly functionalized hydrodibenzofuran 2 via formation of the endoperoxide and a tert-amine radical cation.Photooxidation of the quaternary ammonium salt of thebaine 6, allows the isolation of the endoperoxide 7.Photooxidation of thebaine 1 in acidic medium (TFA), yields 14-hydroxycodeinone salt 3 via the corresponding endoperoxide.
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