Patent ID: 11858941
Assignee: PTC THERAPEUTICS, INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 1:
2. The compound or form thereof of claim 1, wherein R1 is heterocyclyl selected from the group consisting of azetidinyl, tetrahydrofuranyl, pyrrolidinyl, piperidinyl, piperazinyl, 1,4-diazepanyl, 1,2,5,6-tetrahydropyridinyl, 1,2,3,6-tetrahydropyridinyl, 3-azabicyclo[3.1.0]hexyl, (1R,5S)-3-azabicyclo[3.1.0]hexyl, 8-azabicyclo[3.2.1]octyl, (1R,5S)-8-azabicyclo[3.2.1]octyl, 8-azabicyclo[3.2.1]oct-2-en-yl, (1R,5S)-8-azabicyclo[3.2.1]oct-2-en-yl, 9-azabicyclo[3.3.1]nonyl, 0(1R,5S)-9-azabicyclo[3.3.1]nonyl, 3-oxa-9-azabicyclo[3.3.1]nonyl, and 3-oxa-9-azabicyclo[3.3.1]non-6-en-yl, wherein heterocyclyl is optionally substituted with one, two or three R3 substituents and optionally, with one additional R4 substituent, or, alternatively, wherein heterocyclyl is optionally substituted with one, two, three or four R3 substituents.