Design and synthesis of highly selective, orally active Polo-like kinase-2 (Plk-2) inhibitors
2013
Abstract Polo-like kinase-2 (Plk-2) is a potential therapeutic target for Parkinson’s disease and this Letter describes the SAR of a series of dihydropteridinone based Plk-2 inhibitors. By optimizing both the N-8 substituent and the biaryl region of the inhibitors we obtained single digit nanomolar compounds such as 37 with excellent selectivity for Plk-2 over Plk-1. When dosed orally in rats, compound 37 demonstrated a 41–45% reduction of pS129-α-synuclein levels in the cerebral cortex.
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