Piperidine derivatives as nonprostanoid IP receptor agonists

The discovery of a new class of nonprostanoid prostaglandin I2 receptor (IP receptor) agonists is reported. Among them, the unique piperidine derivative 31b (2-((1-(2-(N-(4-tolyl)benzamido)ethyl)piperidin-4-yl)oxy)acetic acid) was a good IP receptor agonist and was 50-fold more selective for the human IP receptor than for other human prostanoid receptors. This compound showed good pharmacokinetic properties in dog.

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