[EN] IMPROVED PROCESS FOR THE PREPARATION OF APREMILAST<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'APRÉMILAST
申请人:DAVULURI RAMAMOHAN RAO
公开号:WO2017179065A1
公开(公告)日:2017-10-19
The present invention relates to an improved process for the preparation of Apremilast of formula (I).
本发明涉及一种改进的制备化合物Apremilast(化学式为I)的方法。
ASYMMETRIC SYNTHETIC PROCESSES FOR THE PREPARATION OF AMINOSULFONE COMPOUNDS
申请人:CONNOLLY Terrence J.
公开号:US20130217919A1
公开(公告)日:2013-08-22
Processes for synthesizing aminosulfone compounds are provided. Aminosulfone compounds obtained using methods provided herein are useful in production or synthesis of sulfone group containing isoindoline based compounds.
PROCESSES FOR THE PREPARATION OF (S)-1-(3-ETHOXY-4-METHOXYPHENYL)-2-METHANESULFONYLETHYLAMINE
申请人:CELGENE CORPORATION
公开号:US20130217918A1
公开(公告)日:2013-08-22
Provided herein are new processes for the preparation of aminosulfone intermediates for the synthesis of 2-[1-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-acetylaminoisoindoline-1,3-dione, which is useful for preventing or treating diseases or conditions related to an abnormally high level or activity of TNF-α. Further provided herein are processes for the commercial production of (S)-1-(3-ethoxy-4-methoxyphenyl)-2-methanesulfonylethylamine.
Processes for the preparation of isoindole compounds and isotopologues thereof
申请人:Celgene Corporation
公开号:US08981117B2
公开(公告)日:2015-03-17
Processes for the preparation of certain isoindole compounds, and isotopologues thereof, are provided. In some embodiments, the processes comprise catalytic assymetrical hydrogenation with hydrogen gas or deuterium gas in a solvent containing exchangeable proton or deuterium for proton-deuterium exchange.