Dr. Reddy's Laboratories Limited
IMPROVED PROCESS FOR THE PREPARATION OF ELAGOLIX AND ITS INTERMEDIATES

Abstract:

The present invention provides an improved process for the preparation of Elagolix sodium of formula (I) and its intermediates. The present invention also provides a compounds of formula (V) and (VI), (X), (Xa) and (Xb). The present invention further provides the use of compounds of formula (V), (VI), (X), (Xa) and (Xb) in the preparation of Elagolix sodium of formula (I). The present invention provides a process for the preparation of Elagolix sodium of formula (I) and its intermediates.