Pyrimidine derivatives of formula (I) wherein: Q
1
and Q
2
are independently selected from aryl or carbon linked heteroaryl optionally substituted as defined within; and one of Q
1
and Q
2
or both Q
1
and Q
2
is substituted on a ring carbon by one group selected from sulphamoyl, N—(C
1-4
alkyl)sulphamoyl (optionally substituted by halo or hydroxy), N,N-di-(C
1-4
alkyl)sulphamoyl (optionally substituted by halo or hydroxy), C
1-4
alkylsulphonyl (optionally substituted by halo or hydroxy) or a substituent of the formula (Ia) or (Ia′): wherein Q
1
, Q
2
, G, R
1
, Y, Z, Q
3
, n and m are as defined within; and pharmaceutically acceptable salts and in vivo hydrolysable esters thereof are described. Processes for their manufacture, pharmaceutical compositions and their use as cyclin-dependent serine/threonine kinase (CDK) inhibitors are also described.
式(I)中的
嘧啶衍
生物,其中:
Q1和Q2分别选自芳基或碳链杂芳基,如定义中所述,且Q1和Q2中的一个或两个在环碳上被选自磺酰
氨基、N-(C1-4烷基)磺酰
氨基(可选择地被卤素或羟基取代)、N,N-二-(C1-4烷基)磺酰
氨基(可选择地被卤素或羟基取代)、C1-4烷基磺酰基(可选择地被卤素或羟基取代)或式(Ia)或(Ia′)的取代基之一取代:其中Q1、Q2、G、R1、Y、Z、Q3、n和m如定义中所述;描述了其药学上可接受的盐和体内可
水解酯。还描述了其制备方法、药物组合物及其用作细胞周期依赖性
丝氨酸/苏
氨酸激酶(CDK)
抑制剂的用途。