Posts by Didier

Identifcation and characterization of the new opioid derivative 3,4-dichloro-N-(2-(diethylamino)cyclohexyl)-N-methylbenzamide (U-49900)

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Identifcation and characterization of the new opioid derivative 3,4-dichloro-N-(2-(diethylamino)cyclohexyl)-N-methylbenzamide (U-49900)

This article focuses on the repercussions of scheduling NPS as they emerge on the “legal” market. Particularly U-49900, a synthetic opioid that is an analogue of U-47700 (which is itself an analog of an earlier now-banned opioid: AH-7921) It seems that demand for novel opioids does not decrease when a compound is scheduled, and if the supply for a certain substance dwindles, users are bound to seek an alternative. While it is clear that a solution needs to be found, this article suggests that perhaps quickly and systematically scheduling new compounds as they gain popularity can...

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Identification and characterization of a putative new psychoactive substance, 2-(2-(4-chlorophenyl)acetamido)-3-methylbutanamide, in Spain

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Identification and characterization of a putative new psychoactive substance, 2-(2-(4-chlorophenyl)acetamido)-3-methylbutanamide, in Spain

This article describes the identification and characterization of 2-(2-(4-chlorophenyl)acetamido)-3-methylbutanamide, a putative new psychoactive substance, through GC/MS, LC/MS, NMR, FTIR, UV, Single-crystal X-ray diffraction, and NMR.   Research

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Something new about something old: a 10-year follow-up on classical and new psychoactive Tryptamines and results of analysis

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Something new about something old: a 10-year follow-up on classical and new psychoactive Tryptamines and results of analysis

This article explores the presence of tryptamines classified as NPS among the substances delivered for analysis to a harm-reduction organization, to describe the substances found in the samples after analysis, and to compare analytical results of regulated vs. non-regulated tryptamines. It argues that there is a need for further research in order to prevent the potential health risks associated with their use....

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Patterns of use and toxicity of new para-halogenated substituted cathinones: 4-CMC (clephedrone), 4-CEC (4-chloroethcatinone) and 4-BMC (brephedrone)

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Patterns of use and toxicity of new para-halogenated substituted cathinones: 4-CMC (clephedrone), 4-CEC (4-chloroethcatinone) and 4-BMC (brephedrone)

This article presents results of the analysis of 3 NPS: clephedrone (4-CMC), 4-chloroethcathinone (4-CEC), and brephedrone (4-BMC) on recreational drug markets and a systematic review of all the available information concerning these substances. It presents the possibility that the emergence of these substances is the next step in the cat-and-mouse game existing between drug producers and legislation....

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The detection and prevention of unintentional consumption of DOx and 25x-NBOMe at Portugal’s Boom Festival

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This article describes the misrepresentation of LSD at Portugal’s Boom Festival 2014 and the prevention of unintentional consumption of DOx and 25x-NBOMe among LSD consumers attending a drug-checking service. We found that the majority of service users who received unexpected test results regarding their alleged LSD (74.2%) reported that they did not intend to consume the drug....

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