Patent ID: 11873292
Assignee: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 1:
2. The compound of claim 1, wherein R1 is selected from substituted or unsubstituted C3-C12 cycloalkyl, substituted or unsubstituted 3-10 membered heterocyclic group (which comprises monocyclic, cyclo, spiro or bridged ring), substituted or unsubstituted C6-C10 aryl, wherein R1 has 0, 1, 2, or 3 substituents selected from the group consisting of halogen, aryl, heteroaryl, C1-C6 alkyl, —SO2Ra, —NC(O)Ra, —CH2C(O)ORa, —C(O)ORa, —C(O)Ra, —C(O)NRaRb, substituted amino, amino, carbamido, amide, sulfonamide, aralkyl and heteroarylalkyl; wherein said heterocyclic ring comprises 1-3 heteroatoms selected from N or O.