Chemistry:5-MeO-DPAC

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5-MeO-DPAC, also known as 5-methoxy-3-(dipropylamino)chroman, is a potent and highly selective serotonin 5-HT1A receptor full agonist related to 8-OH-DPAT. It is a derivative of 3-aminochroman, in which in the 5th position of the benzene ring there is a methoxy group, and in the 3rd position of dipropylamine.

The drug shows no affinity for other serotonin receptors or for the dopamine D2 receptor. It acts at very low concentrations, albeit with lower potency than 8-OH-DPAT, and unlike 8-OH-DPAT, does not bind to presynaptic serotonin 5-HT1A receptors in the striatum.[1][2][3][4]

The mechanism of action of 5-MeO-DPAC is to reduce the synthesis and turnover of serotonin in the brain through selective activation of serotonin 5-HT1A autoreceptors, which is mediated through a negative feedback system without a direct effect on striatal binding sites.[5]

5-MeO-DPAC was first described in the scientific literature by 1987.[1]

See also

References

  1. ↑ 1.0 1.1 "The selective labelling of central 5-HT1A receptor binding sites by [3H]5-methoxy-3-(di-n-propylamino)chroman". European Journal of Pharmacology 140 (2): 143–155. August 1987. doi:10.1016/0014-2999(87)90800-4. PMID 2959487. 
  2. ↑ "3-amino-3,4-dihydro-2H-1-benzopyran derivatives as 5-HT1A receptor ligands and potential anxiolytic agents. 2. Synthesis and quantitative structure-activity relationship studies of spiro[pyrrolidine- and piperidine-2,3'(2'H)-benzopyrans]". Journal of Medicinal Chemistry 39 (21): 4285–4298. October 1996. doi:10.1021/jm950861w. PMID 8863806. 
  3. ↑ "3,4-Dihydro-3-amino-2H-1-benzopyran derivatives as 5-HT1A receptor ligands and potential anxiolytic agents. 1. Synthesis and structure--activity relationship studies". Journal of Medicinal Chemistry 37 (12): 1779–1793. June 1994. doi:10.1021/jm00038a007. PMID 7912735. 
  4. ↑ "Inhibitory effects of the 5-HT1A agonists, 5-hydroxy- and 5-methoxy-(3-di-n-propylamino)chroman, on female lordosis behavior". Neuropharmacology 32 (7): 641–651. July 1993. doi:10.1016/0028-3908(93)90077-g. PMID 8361579. 
  5. ↑ "Decreased 5-hydroxytryptamine turnover in striatum and other brain regions after administration of 5-methoxy-3-(di-n-propylamino)chroman to rats". The Journal of Pharmacy and Pharmacology 41 (11): 805–806. November 1989. doi:10.1111/j.2042-7158.1989.tb06375.x. PMID 2576058. 



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