Patent ID: 11905285
Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 0:
1. A compound of Formula I:, or a pharmaceutically acceptable salt thereof, wherein:
A is substituted or unsubstituted 5-membered heteroarylene;
R1 is —N(RA)2;
R2 is substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heteroaralkyl, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, —ORA, or —N(RA)2;
R3 is substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted acyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted carbocyclyl, substituted or unsubstituted heterocyclyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, substituted or unsubstituted heteroaryl, or substituted or unsubstituted heteroaralkyl, wherein any carbon of R3, valence permitting, is optionally replaced with —O—, —NRA—, —C(O)—, —C(═NRA)—, —S—, —S(O)—, or —S(O)2—; and
each occurrence of RA is, independently, hydrogen, substituted or unsubstituted acyl, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted carbocyclyl, substituted or unsubstituted heterocyclyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, a nitrogen protecting group when attached to a nitrogen atom, or an oxygen protecting group when attached to an oxygen atom, or two RA groups are joined to form a substituted or unsubstituted heterocyclic ring.