[EN] PROCESSES FOR THE PREPARATION OF URACIL DERIVATIVES<br/>[FR] PROCÉDÉS DE PRÉPARATION DE DÉRIVÉS D'URACILE
申请人:NEUROCRINE BIOSCIENCES INC
公开号:WO2009062087A1
公开(公告)日:2009-05-14
The present invention relates to processes and intermediates for preparing Gonadotropin-Releasing Hormone (GnRH) receptor antagonists of structure (VI); and stereoisomers and pharmaceutically acceptable salts thereof.
PROCESS FOR PREPARING ELAGOLIX SODIUM AND INTERMEDIATES THEREOF
申请人:ScinoPharm Taiwan, Ltd.
公开号:US20210078956A1
公开(公告)日:2021-03-18
The present invention provides improved processes for the preparation of elagolix and intermediates thereof. The intermediate of formula VII is achieved by a coupling reaction of a compound of formula V and a N-benzylidene protected compound of formula IV:
The present invention is suitable for a large-scale production, avoiding the use of potential genotoxic substances and can be performed under mild conditions.