Compounds for the preparation of pyridone derivatives are provided. In particular, compounds of formula (IA) are provided, wherein the variable groups are as defined in the specification. The compounds of formula (IA) can be used as intermediates in the preparation of pyridone derivatives useful as mitogen-activated protein kinase kinase (MEK) inhibitors and therapeutic agents for treating cancer.
本发明提供了用于制备
吡啶酮衍
生物的化合物。特别是提供了式 (IA) 的化合物,其中的可变基团如说明书中所定义。式(IA)化合物可用作制备
吡啶酮衍
生物的中间体,该衍
生物可用作丝裂原活化蛋白激酶激酶(MEK)
抑制剂和治疗癌症的治疗剂。