Patent ID: 11858959
Assignee: ARDELYX, INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 7:
8. The compound as claimed in claim 1, wherein R4 is —O—C(O)—R6 and R6 is alkyl, carbocycle or heterocycle; wherein said alkyl is optionally substituted with hydroxyl, halogen carboxy, alkoxy, alkylthio, amino, NHC(O)-alkyl, a heterocycle optionally substituted with alkyl; and said carbocycle and heterocycle are optionally substituted with halogen, hydroxyl and alkyl, wherein said alkyl is optionally substituted with hydroxyl, halogen carboxy; and wherein one or more non-adjacent methylene groups is replaced with —O—.