[EN] NOVEL SYNTHESIS OF NOROXYMORPHONE FROM MORPHINE<br/>[FR] NOUVELLE SYNTHÈSE DE NOROXYMORPHONE À PARTIR DE MORPHINE
申请人:SIEGFRIED AG
公开号:WO2015011131A1
公开(公告)日:2015-01-29
The present invention is directed to an improved process to convert morphine into noroxymorphone comprising the step of reacting a compound of formula (Va) or (Vb) to a compound of formula (VIa) or (VIb), respectively characterized in that the reaction is carried out with hydrogen peroxide and an organic acid, wherein the organic acid and the hydrogen peroxide are mixed and allowed to react for a defined induction time prior to addition to the compound of formula (Va) or (Vb).
The present invention is directed to an improved process to convert morphine into noroxymorphone comprising the step of reacting a compound of formula (Va) or (Vb)
to a compound of formula (VIa) or (Vlb), respectively,
characterized in that the reaction is carried out with hydrogen peroxide and an organic acid, wherein the organic acid and the hydrogen peroxide are mixed and allowed to react for a defined induction time prior to addition to the compound of formula (V).
[EN] NOVEL PROCESS FOR THE SYNTHESIS OF NOROXYMORPHONE FROM MORPHINE<br/>[FR] NOUVEAU PROCÉDÉ POUR LA SYNTHÈSE DE NOROXYMORPHONE À PARTIR DE MORPHINE
申请人:NAVIN SAXENA RESEARCH & TECH PVT LTD
公开号:WO2022144911A1
公开(公告)日:2022-07-07
: Novel Process for the Synthesis of Noroxymorphone from Morphine The present invention relates to a novel, efficient, pot- and atom-economical, and industrially applicable process for converting morphine to noroxymorphone using reagents and solvents of lesser toxicity and lower cost with respect to those used in the prior art.