Patent ID: 11878970
Assignee: PETRA PHARMA CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 20:
21. The compound of claim 1, or pharmaceutically acceptable salt thereof, wherein R2 is an optionally substituted bicyclic ring selected from 1,3-benzodioxole, 2,3-dihydro-1,4-benzodioxine, isoindolin-1-one, indolin-2-one, benzo[d]oxazol-2(3H)-one, 1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, or 2,3-dihydro-[1,4]dioxino[2,3-b]pyridine, or an optionally substituted bicyclic heteroaryl selected from indole, indazole, pyrrolopyridine, furopyridine, pyrazolopyridine, imidazopyridine, pyrazolopyrimidine, imidazopyridazine, phthalazine, triazolopyridine, benzimidazole, pyrrolopyrimidine, thiazolopyridine, benzotriazole, benzoxazole, benzothiazole, pyrrolopyrazine, quinazoline, or naphthyridine; wherein the optionally substituted bicyclic ring is optionally substituted with one to three substituents each independently selected from halogen and C1-C6 alkyl; and the optionally substituted bicyclic heteroaryl is optionally substituted with one to three substituents each independently selected from —CN, halogen, C1-C6 haloalkyl, C1-C6 alkoxy, C1-C6 alkyl optionally substituted with —OH or oxetanyl, or a heteroaryl selected from a pyridine or oxazole.