Synthesis and SAR development of novel P2X7 receptor antagonists for the treatment of pain: Part 1

Structure–activity relationship (SAR) efforts around our initial lead compound 1 led to the identification of potent P2X7 receptor antagonists with improved pharmacokinetic profiles. These compounds were potent and selective at the P2X7 receptor in both human and rodent. Compound (entry 31) exhibited oral efficacy in the rat MIA and CCI pain models.

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