A one-pot, convenient and practical method for N-acylation of 2-oxazolidinone chiral auxiliaries directly with acids in the presence of pivaloyl chloride and triethylamine is described.
描述了一种在新戊酰氯和三乙胺存在下用酸直接将2-恶唑烷酮手性助剂进行N-酰化的一锅法,方便实用。
[EN] PROCESS FOR THE PREPARATION OF (S)-NETARSUDIL, ITS SALTS & POLYMORPHS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE (S)-NÉTARSUDIL, SES SELS ET POLYMORPHES
申请人:MICRO LABS LTD
公开号:WO2021001713A1
公开(公告)日:2021-01-07
The present invention relates to a process for the preparation of (S)-Netarsudil or its pharmaceutically acceptable salts using novel intermediates. The present invention further provides novel salts, novel intermediates and novel polymorphic forms of the (S)-Netarsudil salts and process for the preparation of the same.