[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF ELAGOLIX SODIUM<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ÉLAGOLIX SODIQUE
申请人:NEULAND LABORATORIES LTD
公开号:WO2021064561A1
公开(公告)日:2021-04-08
An improved process for the preparation of Elagolix Sodium having the structural formula (I). The present invention relates to highly pure compound of formula (VI) as a solid which is useful in the preparation of Elagolix sodium. The present invention provides a stable, simple and commercially viable improved process for the preparation of Elagolix sodium of formula (I). The present invention also provides novel crystalline form-N of compound of formula (Vl) which is used in the preparation of Elagolix sodium of formula-I.
一种改进的制备Elagolix Sodium(结构式(I))的工艺。本发明涉及公式(VI)的高纯度化合物,作为固体在制备Elagolix sodium中有用。本发明提供了一种稳定、简单和商业可行的改进工艺,用于制备公式(I)的Elagolix sodium。本发明还提供了公式(Vl)化合物的新晶体形态-N,该形态用于制备公式-I的Elagolix sodium。