Английская Википедия:Ephenidine

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Ephenidine (also known as NEDPA and EPE) is a dissociative anesthetic that has been sold online as a designer drug. It is illegal in some countries as a structural isomer of the banned opioid drug lefetamine, but has been sold in countries where it is not yet banned.

Pharmacology

Pharmacodynamics

Ephenidine and related diarylethylamines have been studied in vitro as treatments for neurotoxic injuries, and are antagonists of the NMDA receptor (K_i = 66.4 nM for ephenidine). Ephenidine also possesses weaker affinity for dopamine and norepinephrine transporters (379 nM and 841 nM, respectively) as well as σ₁R (629 nM) and σ₂R (722 nM) binding sites.

Metabolism

Ephenidine's metabolic pathway consists of N-oxidation, N-dealkylation, mono- and bis-hydroxylation of the benzyl ring, and hydroxylation of the phenyl ring only after N-dealkylation. The dihydroxy metabolites were conjugated by methylation of one hydroxy group, and hydroxy metabolites by glucuronidation or sulfation.

Chemistry

Ephenidine reacts with reagent testing kits to give a semi-unique array of colors which can be used to aid its identification.

Final colors produced by reagent tests

Reagent	Reaction color
Marquis	Orange > Brown
Mandelin	Green
Liebermann	Deep red > Brown (fast)
Froehde	Light Yellow

Society and culture

Sweden's public health agency suggested that ephenidine be classified as a hazardous substance on 1 June, 2015. Due to that suggestion, ephenidine became a scheduled substance, in Sweden, as of 18 August, 2015.

In 2016, Canada added MT-45 and "its salts, derivatives, isomers and analogues" to the Schedule I controlled substance list, and explicitly included ephenidine. Possession without legal authority can result in maximum 7 years imprisonment.

See also

• AD-1211
• βk-Ephenidine
• Diphenidine
• Fluorolintane
• Lanicemine
• Methoxphenidine (MXP)
• MT-45
• NPDPA
• Propylphenidine
• Remacemide
• UWA-001