Protonitazepyne
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Formula | C23H28N4O3 |
Molar mass | 408.502 g·mol−1 |
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Protonitazepyne (N-pyrrolidino protonitazene) is a benzimidazole derivative with opioid effects, which has been sold as a designer drug over the internet, first being mentioned in mid 2022 and definitively identified in drug seizures in Canada in early 2023 and Ireland in late 2023.[1] It is an analogue of etonitazene where the ethoxy group has been extended to propoxy, and the N,N-diethyl substitution has been cyclised into a pyrrolidine ring. While formal studies into its pharmacology have yet to be carried out, it is believed to be slightly less potent than the ethoxy analogue etonitazepyne but still a potent opioid.[2][3]
See also
- Isotonitazene
- Isotonitazepyne
- Metonitazene
- Etomethazene
- Etonitazepipne
- List of benzimidazole opioids
References
- ^ Killoran S, McNamara S, Kavanagh P, O'Brien J, Lakes R (May 2024). "Identification of N-pyrrolidino protonitazene in powders sold as heroin and associated with overdose clusters in Dublin and Cork, Ireland". Drug Testing and Analysis. doi:10.1002/dta.3707. PMID 38769669.
- ^ "Early signal alert: Emergence of online mentions of Protonitazepyne". National Drug Early Warning System. 29 July 2022.
- ^ "Analyzed Drug Report" (PDF). Drug Analysis Service and Cannabis Laboratories. Health Canada. April–June 2023.
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- Enkephalinase inhibitors: Amastatin
- BL-2401
- Candoxatril
- D -Phenylalanine
- Dexecadotril (retorphan)
- Ecadotril (sinorphan)
- Kelatorphan
- Racecadotril (acetorphan)
- RB-101
- RB-120
- RB-3007
- Opiorphan
- Selank
- Semax
- Spinorphin
- Thiorphan
- Tynorphin
- Ubenimex (bestatin)
- Propeptides: β-Lipotropin (proendorphin)
- Prodynorphin
- Proenkephalin
- Pronociceptin
- Proopiomelanocortin (POMC)
- Others: Kyotorphin (met-enkephalin releaser/degradation stabilizer)
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