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

Claim 12:
13. The method of claim 6, wherein:
(a) R12 is hydrogen, and R13 is a 5- to 8-membered heterocyclyl comprising 1 or 2 or 3 heteroatoms selected from O, NH, S, SO, or SO2, optionally substituted with at least one substituent R15; or
(b) R12 is hydrogen, and R13 is an aryl group selected from phenyl and naphthyl, optionally substituted with at least one substituent R15; or
(c) R12 and R13 together with the nitrogen atom to which they are attached, form a 3- to 12-membered saturated, partially or fully unsaturated ring comprising 0, 1 or 2 additional heteroatoms independently selected from —NH, —O—, —S—, —SO— or —SO2—, and said ring is optionally substituted with at least one substituent R15.