[EN] O-DEMETHYLATING PROCESS OF METHOXY SUBSTITUTED MORPHINAN-6-ONE DERIVATIVES<br/>[FR] PROCÉDÉ D'O-DÉMÉTHYLATION DE DÉRIVÉS DE MORPHINAN-6-ONE MÉTHOXY-SUBSTITUÉS
申请人:CILAG AG
公开号:WO2015155181A1
公开(公告)日:2015-10-15
The present invention relates to an improved process for O-demethylating methoxy substituted morphinan-6-one derivatives using AlCl3 as a demethylating agent in a reaction-inert solvent having a water content ranging from 0.1 %wt to 0.8 %wt.10
O-demethylating process of methoxy substituted morphinan-6-one derivatives
申请人:CILAG AG
公开号:US10005791B2
公开(公告)日:2018-06-26
The present invention relates to an improved process for O-demethylating methoxy substituted morphinan-6-one derivatives using AlCl3 as a demethylating agent in a reaction-inert solvent having a water content ranging from 0.1% wt to 0.8% wt. 10.
PROCESSES FOR PREPARING MORPHINAN-6-ONE PRODUCTS WITH LOW LEVELS OF ALPHA, BETA-UNSATURATED KETONE COMPOUNDS
申请人:MALLINCKRODT, INC.
公开号:EP1994034B1
公开(公告)日:2009-11-11
O-DEMETHYLATING PROCESS OF METHOXY SUBSTITUTED MORPHINAN-6-ONE DERIVATIVES
申请人:CILAG AG
公开号:EP3129383B1
公开(公告)日:2018-02-28
Process for Preparing Morphinan-6-One Products with Low Levels of Alpha, Beta-Unsaturated Ketone Compounds
申请人:Buehler Henry J.
公开号:US20080312442A1
公开(公告)日:2008-12-18
The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of α,β-unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound. (A)