Chemistry:α-PHiP

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Short description: Stimulant drug

α-Pyrrolidinoisohexanophenone
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
Chemical and physical data
FormulaC16H23NO
Molar mass245.366 g·mol−1
3D model (JSmol)

α-Pyrrolidinoisohexanophenone (mainly known as A-PiHP or α-PiHP) is a stimulant drug of the cathinone class that has been sold online as a designer drug. It acts as a potent norepinephrine-dopamine reuptake inhibitor (NDRI). In July 2016 α-PiHP was first identified as a designer drug[1] when it was reported to the EMCDDA by a forensic laboratory in Slovenia.[2][3] It is a positional isomer of pyrovalerone, with the methyl group shifted from the 4-position of the aromatic ring to the 4-position of the acyl chain. Similarly to other cathinones, use of α-PiHP can result in compulsive redosing, addiction, anxiety, paranoia, and psychosis.

Pharmacology

In a classic 2006 study of pyrrolidinyl cathinone derivatives by Meltzer et al. at Organix, the alpha-isobutyl derivative of pyrovalerone, O-2494, was found to have the highest potency in vitro as an inhibitor of the dopamine transporter of the alpha substituted derivatives tested.[4] Compared to α-PVP and α-PHP, α-PiHP displays a higher selectivity for the dopamine transporter.

See also

References

  1. "Analytic Report alpha-PHiP (C16H23NO) 4-methyl-1-phenyl-2-(pyrrolidin-1-yl)pentan-1-one.". Slovenia: Nacionalni forenzični laboratorij. July 2016. https://www.policija.si/apps/nfl_response_web/0_Analytical_Reports_final/alpha-PHiP-ID-1723-16rpt071216.pdf. 
  2. "Europol 2016 Annual Report on the implementation of Council Decision 2005/387/JHA". EMCDDA–Europol Joint Publication. http://www.emcdda.europa.eu/system/files/publications/4724/TDAN17001ENN_PDFWEB.pdf. Retrieved 2019-10-24. 
  3. "Identification and analytical characterization of nine synthetic cathinone derivatives N-ethylhexedrone, 4-Cl-pentedrone, 4-Cl-α-EAPP, propylone, N-ethylnorpentylone, 6-MeO-bk-MDMA, α-PiHP, 4-Cl-α-PHP, and 4-F-α-PHP". Drug Testing and Analysis 9 (8): 1162–1171. August 2017. doi:10.1002/dta.2136. PMID 27863142. 
  4. "1-(4-Methylphenyl)-2-pyrrolidin-1-yl-pentan-1-one (Pyrovalerone) analogues: a promising class of monoamine uptake inhibitors". Journal of Medicinal Chemistry 49 (4): 1420–32. February 2006. doi:10.1021/jm050797a. PMID 16480278.