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

Claim 21:
22. 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, pyrrolo[2,3-b]pyridine, pyrrolo[3,2-b]pyridine, furo[2,3-c]pyridine, furo[3,2-c]pyridine, pyrazolo[1,5-a]pyridine, pyrazolo[3,4-b]pyridine, pyrazolo[3,4-c]pyridine, pyrazolo[4,3-b]pyridine, imidazo[1,2-a]pyridine, imidazo[1,5-a]pyridine, pyrazolo[1,5-a]pyrimidine, imidazo[1,2-b]pyridazine, phthalazine, [1,2,4]triazolo[4,3-a]pyridine, triazolo[1,5-a]pyridine, benzimidazole, pyrrolo[2,3-d]pyrimidine, thiazolo[5,4-b]pyridine, benzotriazole, 1,3-benzoxazole, 1,3-benzothiazole, pyrrolo[1,2-a]pyrazine, quinazoline, or 1,7-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.