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.