Patent ID: 11905294
Assignee: BEIGENE, LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 3:
4. The method of claim 1, wherein:
(a) R1 is —NH2; or
(b) R2 is independently hydrogen, halogen, —C1-6alkyl, C3-6cycloalkyl or C6-10aryl, wherein —C1-6alkyl, C3-6cycloalkyl and C6-10aryl are each independently optionally substituted with at least one substituent R11a; or
(c) R3 and R4 are each independently hydrogen or —C1-6alkyl; or
(d) R5 and R6, which may be the same or different, are each independently hydrogen, halogen, —C1-6alkyl, —C2-6alkenyl, —C2-6alkynyl, cycloalkyl, heterocyclyl, aryl, or heteroaryl, wherein said —C1-6alkyl, —C2-6alkenyl, —C2-6alkynyl, cycloalkyl, heterocyclyl, aryl or heteroaryl are each independently optionally substituted with at least one substituent R11b, wherein R11b is halogen; or
(e) R7, R8 and R10, which may be the same or different, are each independently hydrogen, halogen, —C1-6alkyl, —C2-6alkenyl, —C2-6alkynyl, cycloalkyl, heterocyclyl, aryl, heteroaryl, or —OR12; wherein said —C1-6alkyl, —C2-6alkenyl, —C2-6alkynyl, cycloalkyl, heterocyclyl, aryl or heteroaryl are each independently optionally substituted with at least one substituent R11c, wherein R11c is halogen.