Synthesis and SAR of 4-substituted-2-aminopyrimidines as novel c-Jun N-terminal kinase (JNK) inhibitors

The development of a series of novel 4-substituted-2-aminopyrimidines as inhibitors of c-Jun N-terminal kinases is described. The synthesis, in vitro inhibitory values for JNK1, and the in vitro inhibitory value for a c-Jun cellular assay are discussed. Optimization of microsomal clearance led to the identification of 9c, whose kinase selectivity is reported.

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