[EN] 1,2,4-OXADIAZOL-5-ONE DERIVATIVES FOR THE TREATMENT OF CANCER<br/>[FR] DÉRIVÉS DE LA 1,2,4-OXADIAZOL-5-ONE POUR LE TRAITEMENT DU CANCER
申请人:BASILEA PHARM INT AG
公开号:WO2021018869A1
公开(公告)日:2021-02-04
The invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein A1 is -N= or -C(R3)=; A2 is -N= or -CH=; L is -NH-; B1 and B2 are independently -N= or -C(R2b)=; B3 and B4 are independently -C(R2b)=; no more than one R2b on B1, B2, B3 and B4 is other than hydrogen; R1a is hydrogen, halogen, C1-C3alkyl (n-alkyl) optionally substituted with one R4, or R1a is -NH2, -NH(C1-C3alkyl (n-alkyl)), -NH(C(=O)-C1-C2alkyl), -N(C1-C3alkyl (n-alkyl))2, -OC1-C3alkyl (n-alkyl), C1-C3haloalkyl (n-alkyl) or -OC1-C3haloalkyl (n-alkyl); R1b is hydrogen, halogen, C1-C3alkyl (n-alkyl), -OC1-C3alkyl (n-alkyl), -NH2, -NH(C1-C3alkyl (n- alkyl)) or -N(C1-C3alkyl (n-alkyl))2; R1a and R1b may together form a -CH=CH-CH=CH- moiety in which one or two non-adjacent CH are optionally replaced by N; R2a is halogen, C1-C6alkyl, C1-C6haloalkyl, cyclopropyl, cyclobutyl, -OR6, -NHC(=O)-C3- C6cycloalkyl, Cycle Q, -SF5 or group Y (formula (Y)); wherein X is a 3- or 4-membered carbocyclic ring and R8 is halogen, cyano, C1-C6alkyl, C1-C6haloalkyl or -C1-C6alkyl-CN; and wherein R2b, R3, R4, R6 and R8 are as defined in the claims; as well as methods of using the compounds to treat neoplastic diseases, in particular cancer.
该发明提供了化合物的结构式(I)及其药用可接受的盐,其中A1为-N=或-C(R3)=;A2为-N=或-CH=;L为-NH-;B1和B2分别为-N=或-C(R2b)=;B3和B4分别为-C(R2b)=;B1、B2、B3和B4中不超过一个R2b为氢以外的其他基团;R1a为氢、卤素、C1-C3烷基(n-烷基),可选地取代一个R4,或者R1a为-NH2、-NH(C1-C3烷基(n-烷基))、-NH(C(=O)-C1-C2烷基)、-N(C1-C3烷基(n-烷基))2、-OC1-C3烷基(n-烷基)、C1-C3卤代烷基(n-烷基)或-OC1-C3卤代烷基(n-烷基);R1b为氢、卤素、C1-C3烷基(n-烷基)、-OC1-C3烷基(n-烷基)、-NH2、-NH(C1-C3烷基(n-烷基))或-N(C1-C3烷基(n-烷基))2;R1a和R1b可以共同形成一个-CH=CH-CH=CH-基团,其中一个或两个非相邻的CH原子可选择性地被N替代;R2a为卤素、C1-C6烷基、C1-C6卤代烷基、环丙基、环丁基、-OR6、-NHC(=O)-C3-C6环烷基、Cycle Q、-SF5或基团Y(式(Y));其中X为3-或4-成员的碳环烷基,R8为卤素、氰基、C1-C6烷基、C1-C6卤代烷基或-C1-C6烷基-CN;R2b、R3、R4、R6和R8如权利要求中所定义;以及使用这些化合物治疗肿瘤性疾病,特别是癌症的方法。