ArticleForensic toxicology2025
Identification of two lysergic acid diethylamide analogs, 1-(3-(trimethylsilyl) propionyl) lysergic acid diethylamide (1S-LSD) and 1-(2-thienoyl)-6-allyl-nor-d-lysergic acid diethylamide (1T-AL-LAD), in paper sheet products distributed on the internet.
Article in Forensic toxicology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The trial behind it
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Who cites it
2 citing papers in PubMed.
- Interpol review of forensic drug chemistry, 2022-2025.Forensic science international. Synergy · 2026Review
- Synthetic cannabinoid receptor agonists containing silicon: exploring the metabolic pathways of ADMB- and Cumyl-3TMS-PrINACA in human urine specimens and post mortem material compared to in vitro and in silico data.Archives of toxicology · 2026Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
purposeRecently, numerous lysergic acid diethylamide (LSD) analogs have emerged as designer drugs globally. These compounds are mainly distributed as sheet products. In this study, two new LSD analogs were identified from sheet products.
methodsThe structures of the compounds were determined by gas chromatography-mass spectrometry, liquid chromatography-photodiode array-mass spectrometry, liquid chromatography with hybrid quadrupole time-of-flight mass spectrometry and nuclear magnetic resonance (NMR) measurement.
resultsFrom the NMR analysis, two compounds in the products were identified as N,N-diethyl-7-methyl-4-(3-(trimethylsilyl)propanoyl)-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide (1S-LSD) and 7-allyl-N,N-diethyl-4-(thiophene-2-carbonyl)-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide (1T-AL-LAD). In the product where 1S-LSD was detected, the presence of a trace amount of iso-1S-LSD, a C8-epimerization product of 1S-LSD, was suggested.
conclusionsThis paper is the first to report the detection of 1S-LSD and 1T-AL-LAD in sheet products in Japan. Notably, the metabolic pathways and biological activities of 1S-LSD and 1T-AL-LAD are not explored. The possibility of the in vivo deacylation and conversion of the compoundsinto LSD or AL-LAD should be further investigated.
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