cas 19763-77-0, <span xmlns="" style="font-weight:bold;">7,8-DIDEHYDRO-4,5-</span>α-EPOXY-14-HYDROXY-3-METHOXY-17-METHYLMORPHINAN-6-ONE-N-OXIDE

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19763-77-0

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Optimization of the synthesis of oxycodone and 5-methyloxycodone
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Krassnig, Roland,Hederer, Christine,Schmidhammer, Helmut
p. 325 - 326
(1996)
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PRODUCTION OF 6-HYDROXY MORPHINANS WITHOUT THE ISOLATION OF INTERMEDIATES
The present invention provides a process for preparing a saturated 6,14-dihydroxy morphinan. The process comprises contacting an unsaturated 6-O-hydrocarbyl morphinan with hydrogen peroxide and an organic acid to form an unsaturated 6-keto-14-hydroxy morphinan. The unsaturated 6-keto-14-hydroxy morphinan is contacted with a first reducing agent to form an unsaturated 6,14-dihydroxy morphinan, and the unsaturated 6,14-dihydroxy morphinan is contacted with a second reducing agent to form the saturated 6,14-dihydroxy morphinan.
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Paragraph 0130

(2015/05/13)

10-Hydroxythebaine
trans-10-Hydroxythebaine and (8S)-8-hydroxyoxycodone were identified as by-products of thebaine oxidation with hydrogen peroxide in acidic medium. Structures of isolated compounds were determined by spectral methods.
Proksa, Bohumil
p. 369 - 370
(2007/10/03)