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- W4280565595 abstract "Various synthetic drugs have appeared over the past years across the world, and phenethylamine derivatives are among them; indeed, aromatic fluoro analogs of methamphetamine and amphetamine have been in the illicit drug market since the early 2000s. Although they are currently widely abused across the world, little information is available on their metabolism and toxicology. Recently, we came across an alleged 2-fluoromethamphetamine (2-FMA) drug abuse case. The urine obtained from the alleged abuser was analyzed as part of a criminal investigation. 2-FMA, 2-fluoroamphetamine (2-FAP) and some related compounds were detected by liquid chromatography-tandem mass spectrometry. In forensic science, both an unchanged drug and its metabolite(s) need to be detected in urine to verify the illicit drug use. Notably, the detection of 2-FAP, which is a plausible 2-FMA metabolite, is insufficient as evidence of 2-FMA use because 2-FAP is widely available and may be present as such in taken liquids. In this study, we synthesized analytical standards for N-hydroxy 2-FMA (N-OH-2-FMA) and two diastereomers of 2-fluoroephedrine, which are plausible metabolites of 2-FMA. Using these standards, the urine specimen was found to contain N-OH-2FMA and one diastereomer of 2-fluoroephedrine; moreover, the concentrations of these compounds were successfully determined. The results of our study suggest that N-hydroxylation and aliphatic hydroxylation are the characteristic metabolic pathways of 2-FMA compared with that of methamphetamine. This evidence indicates that both N-OH-2-FMA and 2-fluoroephedrine are plausible candidates as analytical targets for drug-use certification in forensic science." @default.
- W4280565595 created "2022-05-22" @default.
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- W4280565595 date "2022-05-14" @default.
- W4280565595 modified "2023-09-27" @default.
- W4280565595 title "Identification and Quantitative Analysis of 2-Fluoromethamphetamine and Its Metabolites in Human Urine" @default.
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- W4280565595 doi "https://doi.org/10.1093/jat/bkac026" @default.
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