The disclosed compounds relate to treatments and therapies for protein kinase-associated disorders. There is also a need for compounds useful in the treatment or prevention or amelioration of one or more symptoms of cancer, transplant rejections, and autoimmune diseases. Furthermore, there is a need for methods for modulating the activity of protein kinases, such as CDK1, CDK2, CDK4, CDK5, CDK6, CDK7, CDK8 and CDK9, using the compounds provided herein.所揭示之化合物係關於蛋白質激酶有關聯病症之治療藥品與療法。亦有需要可用於治療或預防或改善癌症、移植排斥及自身免疫疾病之一或多種病徵之化合物。再者,有需要關於使用本文中所提供之化合物以調制蛋白質激酶活性之方法,該激酶譬如CDK1、CDK2、CDK4、CDK5、CDK6、CDK7、CDK8及CDK9。