The present invention is directed to novel diaminothiazoles of formula
These compounds inhibit cyclin-dependent kinase 4 (Cdk4) and are selective against Cdk2 and Cdk1. These compounds and their pharmaceutically acceptable salts and esters have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors. This invention is also directed to pharmaceutical compositions containing such compounds and to methods of treating or controlling cancer, most particularly the treatment or control of breast, lung and colon and prostate tumors.
本发明涉及一种新型二
氨基
噻唑的公式,这些化合物抑制细胞周期蛋白依赖性激酶4(Cdk4),并且对Cdk2和Cdk1具有选择性。这些化合物及其药学上可接受的盐和
酯具有抗增殖活性,并且在治疗或控制癌症,特别是实体肿瘤方面非常有用。本发明还涉及含有这些化合物的制药组合物以及治疗或控制癌症的方法,尤其是治疗或控制乳腺、肺、结肠和前列腺肿瘤的方法。