FR2208902A1
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FR
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14-Hydroxy dihydronormorphinone prepn. - from 1-halo-nor codeinone, by oxidn., catalytic redn. and hydrolysis
Assignee: Merck and Co Inc
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Filing: 1973-06-15
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Granted: —
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Expires: 1993-06-15
Abstract
Abstract 14-Hydroxydihydronormorphinone is prepd. (a) by oxdn. pref. using Na dichromate of a cpd. of formula (I): (where X is Cl or Br, Y is -CHO, -COOCH3 or -COOC2H5) to give cpd. of formula (II): (b) cpd. (II) is catalytically reduced to cpd. of formula (III): and (c) cpd. (III) is hydrolysed.
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 14:14
CPC Classifications
C; C07; C07D; C07D489/00; C07D489/06; C07D489/08
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