Report on a New Opioid NPS: Chemical and In Vitro Functional Characterization of a Structural Isomer of the MT-45 Derivative Diphenpipenol.

Last updated on 24-3-2021 by Eric Deconinck

Peer reviewed scientific article




In this paper, the identification and full characterization of a novel non-fentanyl opioid sourced online, which is a member of the 1-substituted-4-(1,2-diphenylethyl)piperazine derivatives related to MT-45, is reported. The sample was sold under the name “diphenpipenol,” (3-[2-[4-(2-methoxyphenyl)piperazin-1-yl]-2-phenylethyl]phenol), although extensive NMR analysis showed that the product obtained was actually a diphenpipenol structural isomer, (2-[4-(2-methoxyphenyl)piperazin-1-yl]-1,2-diphenylethanol). Liquid chromatography time-of-flight mass spectrometry identified an exact mass for t…

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