[EN] PROCESS FOR PREPARATION OF DRONEDARONE BY N-BUTYLATION<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE DRONÉDARONE PAR N-BUTYLATION
申请人:SANOFI SA
公开号:WO2012131409A1
公开(公告)日:2012-10-04
The invention relates to a novel process for preparation of dronedarone (I) and pharmaceutically acceptable salts thereof where the compound of formula (II) or salt thereof is reacted with a compound of formula L-(CH2)3-CH3 (III), where L is a leaving group, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some novel intermediary compounds and the preparation thereof.
[EN] REDUCTIVE AMINATION PROCESS FOR PREPARATION OF DRONEDARONE USING AMINE INTERMEDIARY COMPOUND<br/>[FR] PROCÉDÉ D'AMINATION RÉDUCTRICE POUR LA PRÉPARATION DE DRONÉDARONE UTILISANT UN COMPOSÉ INTERMÉDIAIRE AMINE
申请人:SANOFI SA
公开号:WO2012131410A1
公开(公告)日:2012-10-04
The invention relates to a novel process for preparation of drohedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that a compound of formula (II) is reacted in the presence of a reductive agent with butyraldehyde and/or butanoic acid, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some hovel intermediary compounds and the preparation thereof.
REDUCTIVE AMINATION PROCESS FOR PREPARATION OF DRONEDARONE USING AMINE INTERMEDIARY COMPOUND
申请人:Friesz Antal
公开号:US20140018554A1
公开(公告)日:2014-01-16
The invention relates to a novel process for preparation of drohedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that a compound of formula (II) is reacted in the presence of a reductive agent with butyraldehyde and/or butanoic acid, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some hovel intermediary compounds and the preparation thereof.
PROCESS FOR PREPARATION OF DRONEDARONE BY N-BUTYLATION
申请人:Friesz Antal
公开号:US20140114081A1
公开(公告)日:2014-04-24
The invention relates to a novel process for preparation of dronedarone (I) and pharmaceutically acceptable salts thereof where the compound of formula (II) or salt thereof is reacted with a compound of formula L-(CH
2
)
3
—CH
3
(III), where L is a leaving group, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some novel intermediary compounds and the preparation thereof.