Α-Propyltryptamine

α-Propyltryptamine is a chemical compound of the tryptamine and α-alkyltryptamine families. It is the α-propyl derivative of tryptamine and is a higher homologue of α-methyltryptamine and α-ethyltryptamine. The compound was briefly mentioned by Alexander Shulgin in his 1997 book TiHKAL. He noted that it had been synthesized but that it had never been tested in humans to his knowledge. Moreover, he speculated that it would likely require a "pretty hefty dosage" for central effects based on extrapolation from the loss of potency with higher phenethylamine α-homologation like α-propylphenethylamines such as BDP.