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.
本文提供了制备氨基磺酰中间体的新工艺,用于合成2-[1-(3-乙氧基-4-甲氧基苯基)-2-甲磺酰基乙基]-4-乙酰氨基异吲哚啉-1,3-二酮,该化合物对于预防或治疗与TNF-α水平或活性异常高相关的疾病或症状具有用途。此外,本文还提供了(S)-1-(3-乙氧基-4-甲氧基苯基)-2-甲磺酰基乙胺的商业生产工艺。