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US 11,377,426 B2Granted
Processes to produce elagolix
AssigneeSuzhou Pengxu Pharmatech Co., Ltd.
InventorsPixu Li, Peng Wang, Xiangyong Gu, Hailong Yang, Zhong Wang, Qianghua Jiang, Yuanhua Liu, Hui Xia
Life of this patent
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Abstract
The present invention relates to a scalable process for the making of elagolix, its salts and the process of intermediate compounds.
Claims20
A process of making the compound elagolix or elagolix sodium comprising:
- converting a compound of formula VIII to a compound of formula IX in an organic solvent
- and
- converting the compound of formula IX to the elagolix or elagolix sodium.
A compound of formula VIII having Z- or E-configuration or mixture of them:
Dependencies are inferred from the claim text.