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

Claim 16:
17. The method of claim 6, wherein:
(a) R12 and R13 together with the nitrogen atom to which they are attached, form a 5-, 6-, 7-or 8-membered saturated monocyclic ring comprising 1 additional heteroatom selected from —NH, —O—, —S—, —SO— or —SO2—, and said ring is optionally substituted with at least one substituent R15; or
(b) R12 and R13 together with the nitrogen atom to which they are attached, form a 7- to 12-membered saturated bicyclic ring comprising 0 or 1 or 2 additional heteroatoms selected from —N, —O—, —S—, —SO— or —SO2—, and said ring is optionally substituted with at least one substituent R15.