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1-(2-Naphthyl)piperazine

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Pharmaceutical compound
1-(2-Naphthyl)piperazine
Clinical data
Other names2-Naphthylpiperazine; 2-NP; 1-Deazaquipazine
Drug classSerotonin receptor modulator;Serotonergic psychedelic;Hallucinogen
ATC code
  • None
Identifiers
  • 1-naphthalen-2-ylpiperazine
CAS Number
PubChemCID
ChemSpider
ChEMBL
Chemical and physical data
FormulaC14H16N2
Molar mass212.296 g·mol−1
3D model (JSmol)
  • C1CN(CCN1)C2=CC3=CC=CC=C3C=C2
  • InChI=1S/C14H16N2/c1-2-4-13-11-14(6-5-12(13)3-1)16-9-7-15-8-10-16/h1-6,11,15H,7-10H2
  • Key:LWLBVIFUVSUSAY-UHFFFAOYSA-N

1-(2-Naphthyl)piperazine (2-NP), also known as1-deazaquipazine, is aserotonin receptormodulator and putativeserotonergic psychedelic of thearylpiperazine family related toquipazine.[1][2][3]

It showsaffinity for theserotonin5-HT1,5-HT2, and5-HT3 receptors and is known to act as a serotonin5-HT2A receptorpartial agonist.[3][2][4][5] Conversely, it has negligible affinity for the serotonin5-HT1D receptor.[6] The drug produces thehead-twitch response, a behavioral proxy ofpsychedelic effects, in rodents, although it was less efficacious than quipazine.[2] This effect was absent in serotonin 5-HT2A receptorknockout mice.[2] In addition, 2-NP fully generalizes to the psychedelicDOM in animaldrug discrimination tests.[3] Hence, it may havehallucinogenic effects in humans.[2]

Along with quipazine, the drug is one of a relatively small number of known psychedelics that is distinct from thetryptamine,phenethylamine, andlysergamide families.[2] It was first described in thescientific literature by at least 1961.[7][8][3]

See also

[edit]

References

[edit]
  1. ^Glennon RA, Dukat M (2 May 2023). "Quipazine: Classical hallucinogen? Novel psychedelic?".Australian Journal of Chemistry.76 (5):288–298.doi:10.1071/CH22256.ISSN 0004-9425.
  2. ^abcdefde la Fuente Revenga M, Shah UH, Nassehi N, Jaster AM, Hemanth P, Sierra S, et al. (March 2021)."Psychedelic-like Properties of Quipazine and Its Structural Analogues in Mice".ACS Chemical Neuroscience.12 (5):831–844.doi:10.1021/acschemneuro.0c00291.PMC 7933111.PMID 33400504.
  3. ^abcdGlennon RA, Slusher RM, Lyon RA, Titeler M, McKenney JD (November 1986). "5-HT1 and 5-HT2 binding characteristics of some quipazine analogues".Journal of Medicinal Chemistry.29 (11):2375–2380.doi:10.1021/jm00161a038.PMID 3783595.
  4. ^Dukat M, Abdel-Rahman AA, Ismaiel AM, Ingher S, Teitler M, Gyermek L, et al. (September 1996). "Structure-activity relationships for the binding of arylpiperazines and arylbiguanides at 5-HT3 serotonin receptors".Journal of Medicinal Chemistry.39 (20):4017–4026.doi:10.1021/jm9603936.PMID 8831767.
  5. ^Glennon RA, Ismaiel AE, McCarthy BG, Peroutka SJ (September 1989). "Binding of arylpiperazines to 5-HT3 serotonin receptors: results of a structure-affinity study".European Journal of Pharmacology.168 (3):387–392.doi:10.1016/0014-2999(89)90802-9.PMID 2583244.
  6. ^Glennon RA, Ismaiel AM, Chaurasia C, Titeler M (1991). "5-HT 1D serotonin receptors: Results of a structure-affinity investigation".Drug Development Research.22 (1):25–36.doi:10.1002/ddr.430220103.ISSN 0272-4391.
  7. ^Sutherland GJ (1961)."The thermal decomposition of some N,N'-diarylethylenediamine hydrobromides". University of Canterbury. Chemistry. Retrieved13 March 2025.
  8. ^Červená I, Dlabač A, Němec J, Protiva M (1975). "Naphthylpiperazines and tetralylpiperazines: Synthesis and pharmacological properties".Collection of Czechoslovak Chemical Communications.40 (5):1612–1622.doi:10.1135/cccc19751612.ISSN 0010-0765.

External links

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