[EN] PREPARATION OF SATURATED KETONE MORPHINAN COMPOUNDS BY CATALYTIC ISOMERISATION<br/>[FR] PRÉPARATION DE COMPOSÉS DE MORPHINANE À CÉTONE SATURÉS PAR ISOMÉRISATION CATALYTIQUE
申请人:CAMBREX KARLSKOGA AB
公开号:WO2015011474A1
公开(公告)日:2015-01-29
There is provided a novel process for the preparation of a compound of formula I, wherein R1, R2 and R3 are as described in the description, by conversion of a corresponding allylic alcohol.
[EN] NEW PROCESS FOR PREPARING HYDROMORPHONE AND DERIVATIVES THEREOF<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION D'HYDROMORPHONE ET DE SES DÉRIVÉS
申请人:CAMBREX CHARLES CITY INC
公开号:WO2017017436A1
公开(公告)日:2017-02-02
There is provided a novel process for the preparation of a compound of formula (I), wherein R1 is as described in the description, by demethylation of a corresponding O-methyl derivative.
PREPARATION OF SATURATED KETONE MORPHINAN COMPOUNDS BY CATALYTIC ISOMERISATION
申请人:CAMBREX CHARLES CITY, INC.
公开号:US20160168159A1
公开(公告)日:2016-06-16
There is provided a novel process for the preparation of a compound of formula I, wherein R
1
, R
2
and R
3
are as described in the description, by conversion of a corresponding allylic alcohol.
提供了一种新的制备I式化合物的方法,其中R1、R2和R3如描述中所述,通过将相应的烯丙醇转化而来。
Process for preparing hydromorphone and derivatives thereof
申请人:Cambrex Charles City, Inc.
公开号:US10370382B2
公开(公告)日:2019-08-06
There is provided a novel process for the preparation of a compound of formula (I), wherein R1 is as described in the description, by demethylation of a corresponding O-methyl derivative.