Oripavine-Synonym O3-Demethylthebaine-Papaver bracteatum

E. Oripavine

Synonym O3-Demethylthebaine.
Biological Sources It is obtained from the plant Papaver bracteatum Lindl. (Papaveraceae) (Great Scarlet Poppy, Thebaine Poppy); and Papaver orientale Linn. (Papaveraceae).
Chemical Structure

Oripavine
(5α)-6, 7, 8, 14-Tetrahydro-4, 5-epoxy-6-methoxy-17-methyl-morphinan-3-ol; (C18H19NO3).
Isolation It has been isolated from plant source by Kiselev and Konovalova.*
Characteristic Features The crystals have mp 200-201°C; and [α]D20  -211.80.
Identification Tests
1. Oripavine Hydrochloride (C18H19NO3.HCl): It is obtained as crystals which decompose at 244-245°C.
2. Oripavine Methiodide (C18H19NO3.CH3I): The crystals decompose at 207-208°C.

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