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Brandt SD, Kavanagh PV, Dowling G, Talbot B, Westphal F, Meyer MR, Maurer HH, Halberstadt AL. Analytical characterization of N,N-diallyltryptamine (DALT) and 16 ring-substituted derivatives. Drug Test Anal 2016; 9:115-126. [PMID: 27100373 DOI: 10.1002/dta.1974] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 03/01/2016] [Accepted: 03/02/2016] [Indexed: 12/16/2022]
Abstract
Many N,N-dialkylated tryptamines show psychoactive properties in humans and the number of derivatives involved in multidisciplinary areas of research has grown over the last few decades. Whereas some derivatives form the basis of a range of medicinal products, others are predominantly encountered as recreational drugs, and in some cases, the areas of therapeutic and recreational use can overlap. In recent years, 5-methoxy-N,N-diallyltryptamine (5-MeO-DALT) has appeared as a new psychoactive substance (NPS) and 'research chemical' whereas 4-acetoxy-DALT and the ring-unsubstituted DALT have only been detected very recently. Strategies pursued in the authors' laboratories included the preparation and biological evaluation of previously unreported N,N-diallyltryptamines (DALTs). This report describes the analytical characterization of 17 DALTs. Fifteen DALTs were prepared by a microwave-accelerated Speeter and Anthony procedure following established procedures developed previously in the authors' laboratories. In addition to DALT, the substances included in this study were 2-phenyl-, 4-acetoxy-, 4-hydroxy-, 4,5-ethylenedioxy-, 5-methyl-, 5-methoxy-, 5-methoxy-2-methyl-, 5-ethoxy-, 5-fluoro-, 5-fluoro-2-methyl-, 5-chloro-, 5-bromo-, 5,6-methylenedioxy-, 6-fluoro-, 7-methyl, and 7-ethyl-DALT, respectively. The DALTs were characterized by nuclear magnetic resonance spectroscopy (NMR), gas chromatography (GC) quadrupole and ion trap (EI/CI) mass spectrometry (MS), low and high mass accuracy MS/MS, photodiode array detection, and GC solid-state infrared analysis, respectively. A comprehensive collection of spectral data was obtained that are provided to research communities who face the challenge of encountering newly emerging substances where analytical data are not available. These data are also relevant to researchers who might wish to explore the clinical and non-clinical uses of these substances. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Simon D Brandt
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool, L3 3AF, UK.,The Alexander Shulgin Research Institute, 1483 Shulgin Road, Lafayette, CA, 94549, USA
| | - Pierce V Kavanagh
- Department of Pharmacology and Therapeutics, School of Medicine, Trinity Centre for Health Sciences, St James's Hospital, Dublin 8, Ireland
| | - Geraldine Dowling
- Department of Pharmacology and Therapeutics, School of Medicine, Trinity Centre for Health Sciences, St James's Hospital, Dublin 8, Ireland
| | - Brian Talbot
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin 2, Ireland
| | - Folker Westphal
- State Bureau of Criminal Investigation Schleswig-Holstein, Section Narcotics/Toxicology, D-24116, Kiel, Germany
| | - Markus R Meyer
- Department of Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, D-69120, Heidelberg, Germany
| | - Hans H Maurer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, D-66421, Homburg (Saar), Germany
| | - Adam L Halberstadt
- Department of Psychiatry, University of California San Diego, La Jolla, CA, 92093-0804, USA
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González-Mariño I, Gracia-Lor E, Bagnati R, Martins CPB, Zuccato E, Castiglioni S. Screening new psychoactive substances in urban wastewater using high resolution mass spectrometry. Anal Bioanal Chem 2016; 408:4297-309. [DOI: 10.1007/s00216-016-9521-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 03/16/2016] [Accepted: 03/24/2016] [Indexed: 01/11/2023]
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53
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Δ9-Tetrahydrocannabinol-like effects of novel synthetic cannabinoids found on the gray market. Behav Pharmacol 2016; 26:460-8. [PMID: 26061356 DOI: 10.1097/fbp.0000000000000150] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
When synthetic cannabinoid compounds became controlled by state and federal governments, different, noncontrolled compounds began to appear as marijuana substitutes. Unlike the scheduled cannabinoids, the newer compounds have not been characterized for potency and efficacy in preclinical studies. The purpose of these experiments was to determine whether some of the more recent synthetic compounds sold as marijuana substitutes have behavioral effects similar to those of Δ-tetrahydrocannabinol (Δ-THC), the pharmacologically active compound in marijuana. The compounds UR-144, XLR-11, AKB-48 (APINACA), PB-22 (QUPIC), 5F-PB-22, and AB-FUBINACA were tested for locomotor depressant effects in male Swiss-Webster mice and subsequently for their ability to substitute for Δ-THC (3 mg/kg, intraperitoneally) in drug discrimination experiments with male Sprague-Dawley rats. UR-144, XLR-11, AKB-48, and AB-FUBINACA each decreased locomotor activity for up to 90 min, whereas PB-22 and 5F-PB-22 produced depressant effects lasting 120-150 min. Each of the compounds fully substituted for the discriminative stimulus effects of Δ-THC. These findings confirm the suggestion that these compounds have marijuana-like psychoactive effects and abuse liability.
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54
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Simultaneous identification and quantification of new psychoactive substances in blood by GC-APCI-QTOFMS coupled to nitrogen chemiluminescence detection without authentic reference standards. Anal Bioanal Chem 2016; 408:3395-400. [DOI: 10.1007/s00216-016-9461-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 02/24/2016] [Accepted: 03/01/2016] [Indexed: 12/17/2022]
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55
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Lobo Vicente J, Chassaigne H, Holland MV, Reniero F, Kolář K, Tirendi S, Vandecasteele I, Vinckier I, Guillou C. Systematic analytical characterization of new psychoactive substances: A case study. Forensic Sci Int 2016; 265:107-15. [PMID: 26874735 DOI: 10.1016/j.forsciint.2016.01.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 01/18/2016] [Accepted: 01/21/2016] [Indexed: 01/27/2023]
Abstract
New psychoactive substances (NPS) are synthesized compounds that are not usually covered by European and/or international laws. With a slight alteration in the chemical structure of existing illegal substances registered in the European Union (EU), these NPS circumvent existing controls and are thus referred to as "legal highs". They are becoming increasingly available and can easily be purchased through both the internet and other means (smart shops). Thus, it is essential that the identification of NPS keeps up with this rapidly evolving market. In this case study, the Belgian Customs authorities apprehended a parcel, originating from China, containing two samples, declared as being "white pigments". For routine identification, the Belgian Customs Laboratory first analysed both samples by gas-chromatography mass-spectrometry and Fourier-Transform Infrared spectroscopy. The information obtained by these techniques is essential and can give an indication of the chemical structure of an unknown substance but not the complete identification of its structure. To bridge this gap, scientific and technical support is ensured by the Joint Research Centre (JRC) to the European Commission Directorate General for Taxation and Customs Unions (DG TAXUD) and the Customs Laboratory European Network (CLEN) through an Administrative Arrangement for fast recognition of NPS and identification of unknown chemicals. The samples were sent to the JRC for a complete characterization using advanced techniques and chemoinformatic tools. The aim of this study was also to encourage the development of a science-based policy driven approach on NPS. These samples were fully characterized and identified as 5F-AMB and PX-3 using (1)H and (13)C nuclear magnetic resonance (NMR), high-resolution tandem mass-spectrometry (HR-MS/MS) and Raman spectroscopy. A chemoinformatic platform was used to manage, unify analytical data from multiple techniques and instruments, and combine it with chemical and structural information.
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Affiliation(s)
- Joana Lobo Vicente
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy.
| | - Hubert Chassaigne
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy
| | - Margaret V Holland
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy
| | - Fabiano Reniero
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy
| | - Kamil Kolář
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy; Czech Agriculture and Food inspection Authority, Květná 15, 603 00 Brno, Czech Republic
| | - Salvatore Tirendi
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy
| | - Ine Vandecasteele
- European Commission, Joint Research Centre, Institute for Environment and Sustainability (IES), Sustainability Assessment Unit, via E. Fermi, 2749, TP 291, I-21020 Ispra (VA), Italy
| | - Inge Vinckier
- Laboratory of Customs & Excises, Blijde Inkomststraat 20, B-3000 Leuven, Belgium
| | - Claude Guillou
- European Commission, Joint Research Centre, Institute for Health and Consumer Protection (IHCP), Chemical Assessment and Testing Unit, via E. Fermi, 2749, TP 281, I-21020 Ispra (VA), Italy
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56
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Wink CSD, Michely JA, Jacobsen-Bauer A, Zapp J, Maurer HH. Diphenidine, a new psychoactive substance: metabolic fate elucidated with rat urine and human liver preparations and detectability in urine using GC-MS, LC-MSn, and LC-HR-MSn. Drug Test Anal 2016; 8:1005-1014. [DOI: 10.1002/dta.1946] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/09/2015] [Accepted: 12/10/2015] [Indexed: 01/03/2023]
Affiliation(s)
- Carina S. D. Wink
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical; Pharmacology and Toxicology, Saarland University; D-66421 Homburg (Saar) Germany
| | - Julian A. Michely
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical; Pharmacology and Toxicology, Saarland University; D-66421 Homburg (Saar) Germany
| | | | - Josef Zapp
- Department of Pharmaceutical Biology; Saarland University; D-66123 Saarbrücken Germany
| | - Hans H. Maurer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical; Pharmacology and Toxicology, Saarland University; D-66421 Homburg (Saar) Germany
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57
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Luo Y, Chen Y, Hong L, Guo D, Zhu P. Identification of Novel Impurities in Minomustine by Liquid Chromatography–Mass Spectrometry. J LIQ CHROMATOGR R T 2015. [DOI: 10.1080/10826076.2015.1069201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Ying Luo
- Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Yue Chen
- Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Liya Hong
- Zhejiang Institute for Food and Drug Control, Hangzhou, China
| | - Dianwu Guo
- Minsheng Pharmaceutical Co., Ltd., Hangzhou, China
| | - Peixi Zhu
- Zhejiang Institute for Food and Drug Control, Hangzhou, China
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58
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Maheux CR, Alarcon IQ, Copeland CR, Cameron TS, Linden A, Grossert JS. Identification of polymorphism in ethylone hydrochloride: synthesis and characterization. Drug Test Anal 2015; 8:847-57. [PMID: 26344849 PMCID: PMC5049635 DOI: 10.1002/dta.1859] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 07/14/2015] [Accepted: 07/27/2015] [Indexed: 11/09/2022]
Abstract
Ethylone, a synthetic cathinone with psychoactive properties, is a designer drug which has appeared on the recreational drug market in recent years. Since 2012, illicit shipments of ethylone hydrochloride have been intercepted with increasing frequency at the Canadian border. Analysis has revealed that ethylone hydrochloride exists as two distinct polymorphs. In addition, several minor impurities were detected in some seized exhibits. In this study, the two conformational polymorphs of ethylone hydrochloride have been synthesized and fully characterized by FTIR, FT-Raman, powder XRD, GC-MS, ESI-MS/MS and NMR ((13) C CPMAS, (1) H, (13) C). The two polymorphs can be distinguished by vibrational spectroscopy, solid-state nuclear magnetic resonance spectroscopy and X-ray diffraction. The FTIR data are applied to the identification of both polymorphs of ethylone hydrochloride (mixed with methylone hydrochloride) in a laboratory submission labelled as 'Ocean Snow Ultra'. The data presented in this study will assist forensic scientists in the differentiation of the two ethylone hydrochloride polymorphs. This report, alongside our recent article on the single crystal X-ray structure of a second polymorph of this synthetic cathinone, is the first to confirm polymorphism in ethylone hydrochloride. © 2015 Canada Border Services Agency. Drug Testing and Analysis published by John Wiley & Sons, Ltd. © 2015 Canada Border Services Agency. Drug Testing and Analysis published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Chad R Maheux
- Science and Engineering Directorate, Canada Border Services Agency, 79 Bentley Avenue, Ottawa, K2E 6T7, Ontario, Canada
| | - Idralyn Q Alarcon
- Science and Engineering Directorate, Canada Border Services Agency, 79 Bentley Avenue, Ottawa, K2E 6T7, Ontario, Canada
| | - Catherine R Copeland
- Science and Engineering Directorate, Canada Border Services Agency, 79 Bentley Avenue, Ottawa, K2E 6T7, Ontario, Canada
| | - T Stanley Cameron
- Department of Chemistry, Dalhousie University, PO Box 15000, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057, Zurich, Switzerland
| | - J Stuart Grossert
- Department of Chemistry, Dalhousie University, PO Box 15000, Halifax, Nova Scotia, B3H 4R2, Canada
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59
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Odoardi S, Fisichella M, Romolo FS, Strano-Rossi S. High-throughput screening for new psychoactive substances (NPS) in whole blood by DLLME extraction and UHPLC–MS/MS analysis. J Chromatogr B Analyt Technol Biomed Life Sci 2015. [DOI: 10.1016/j.jchromb.2015.07.007] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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60
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Frison G, Odoardi S, Frasson S, Sciarrone R, Ortar G, Romolo FS, Strano Rossi S. Characterization of the designer drug bk-2C-B (2-amino-1-(bromo-dimethoxyphenyl)ethan-1-one) by gas chromatography/mass spectrometry without and with derivatization with 2,2,2-trichloroethyl chloroformate, liquid chromatography/high-resolution mass spectrometry, and nuclear magnetic resonance. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:1196-1204. [PMID: 26395784 DOI: 10.1002/rcm.7211] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 04/09/2015] [Accepted: 04/12/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE We describe the analytical characterization of the designer drug bk-2C-B, a cathinone derivative, contained in a seized tablet, in the absence of an analytical standard. METHODS The analytical techniques employed include gas chromatography/mass spectrometry (GC/MS), without and with derivatization with 2,2,2-trichloroethyl chloroformate, liquid chromatography/high-resolution-MS (LC/HRMS) with an Orbitrap® analyzer, and nuclear magnetic resonance (NMR). LC/HRMS measurements consisted of accurate mass measurements of MH(+) ionic species under full scan conditions; comparison of experimental and calculated MH(+) isotopic patterns; examination of the isotopic fine structure (IFS) of the M+1, M+2, M+3 isotopic peaks relative to the monoisotopic M+0 peak; study of MH(+) collision-induced dissociation (CID) product ions obtained in fragmentation experiments. RESULTS GC/MS analysis gave highly informative EI mass spectra, particularly after the derivatization of bk-2C-B with 2,2,2-trichloroethyl chloroformate. The application of LC/HRMS, allowing for accurate mass measurements at 100,000 resolving power, greatly enhanced analytical capabilities in structural characterization of this new designer drug. HRMS allowed us to obtain the accurate mass measurements of bk-2C-B MH(+) ionic species, with a mass accuracy of 2.19 ppm; fully superimposable experimental and calculated MH(+) isotopic patterns, with RIA1 and RIA2 values <4%; the IFS of the M+1, M+2, M+3 isotopic peaks relative to the monoisotopic M+0 peak completely in accordance with theoretical values. These findings enabled us to obtain the elemental composition formula of the seized drug. Furthermore, characteristic MH(+) CID product ions enabled the characterization of the bk-2C-B molecular structure. The presence of (79)Br and (81)Br isotopes in the substance molecule produced a characteristic isotopic pattern in most MS spectra. Lastly, NMR spectra allowed us to obtain useful information about the position of substituents in the designer drug. CONCLUSIONS The combination of all the analytical techniques employed allowed the characterization of the seized psychoactive substance, in spite of the lack of a reference standard.
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Affiliation(s)
- Giampietro Frison
- Laboratory of Environmental Hygiene and Forensic Toxicology, Department of Prevention, Azienda ULSS 12 Veneziana, Italy
| | - Sara Odoardi
- Institute of Public Health, Section of Legal Medicine, Catholic University of Sacred Heart, Rome, Italy
| | - Samuela Frasson
- Laboratory of Environmental Hygiene and Forensic Toxicology, Department of Prevention, Azienda ULSS 12 Veneziana, Italy
| | - Rocco Sciarrone
- Laboratory of Environmental Hygiene and Forensic Toxicology, Department of Prevention, Azienda ULSS 12 Veneziana, Italy
| | - Giorgio Ortar
- Department of Drug Chemistry and Technologies, Sapienza - Università di Roma, Italy
| | - Francesco Saverio Romolo
- Legal Medicine Section - SAPIENZA Università di Roma, Italy
- Institut de Police Scientifique, Université de Lausanne, Lausanne, Switzerland
| | - Sabina Strano Rossi
- Institute of Public Health, Section of Legal Medicine, Catholic University of Sacred Heart, Rome, Italy
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61
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Rickli A, Kopf S, Hoener MC, Liechti ME. Pharmacological profile of novel psychoactive benzofurans. Br J Pharmacol 2015; 172:3412-25. [PMID: 25765500 PMCID: PMC4500375 DOI: 10.1111/bph.13128] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/06/2015] [Accepted: 03/09/2015] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND AND PURPOSE Benzofurans are newly used psychoactive substances, but their pharmacology is unknown. The aim of the present study was to pharmacologically characterize benzofurans in vitro. EXPERIMENTAL APPROACH We assessed the effects of the benzofurans 5-APB, 5-APDB, 6-APB, 6-APDB, 4-APB, 7-APB, 5-EAPB and 5-MAPDB and benzodifuran 2C-B-FLY on the human noradrenaline (NA), dopamine and 5-HT uptake transporters using HEK 293 cells that express the respective transporters. We also investigated the release of NA, dopamine and 5-HT from monoamine-preloaded cells, monoamine receptor-binding affinity and 5-HT2A and 5-HT2B receptor activation. KEY RESULTS All of the benzofurans inhibited NA and 5-HT uptake more than dopamine uptake, similar to methylenedioxymethamphetamine (MDMA) and unlike methamphetamine. All of the benzofurans also released monoamines and interacted with trace amine-associated receptor 1 (TA1 receptor), similar to classic amphetamines. Most benzofurans were partial 5-HT2A receptor agonists similar to MDMA, but also 5-HT2B receptor agonists, unlike MDMA and methamphetamine. The benzodifuran 2C-B-FLY very potently interacted with 5-HT2 receptors and also bound to TA1 receptors. CONCLUSIONS AND IMPLICATIONS Despite very similar structures, differences were found in the pharmacological profiles of different benzofurans and compared with their amphetamine analogues. Benzofurans acted as indirect monoamine agonists that interact with transporters similarly to MDMA. The benzofurans also interacted with 5-HT receptors. This pharmacological profile probably results in MDMA-like entactogenic psychoactive properties. However, benzofurans induce 5-HT2B receptor activation associated with heart valve fibrosis. The pharmacology of 2C-B-FLY indicates predominant hallucinogenic properties and a risk for vasoconstriction.
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Affiliation(s)
- Anna Rickli
- Psychopharmacology Research, Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel and University of BaselBasel, Switzerland
| | - Simone Kopf
- Psychopharmacology Research, Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel and University of BaselBasel, Switzerland
| | - Marius C Hoener
- Neuroscience Research, pRED, Roche Innovation Center Basel, F. Hoffmann-La Roche LtdBasel, Switzerland
| | - Matthias E Liechti
- Psychopharmacology Research, Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel and University of BaselBasel, Switzerland
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62
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Diphénidine : une nouvelle drogue dissociative. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2015. [DOI: 10.1016/j.toxac.2015.03.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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63
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Helander A, Beck O, Bäckberg M. Intoxications by the dissociative new psychoactive substances diphenidine and methoxphenidine. Clin Toxicol (Phila) 2015; 53:446-53. [DOI: 10.3109/15563650.2015.1033630] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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64
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McLaughlin G, Morris N, Kavanagh PV, Power JD, O'Brien J, Talbot B, Elliott SP, Wallach J, Hoang K, Morris H, Brandt SD. Test purchase, synthesis, and characterization of 2-methoxydiphenidine (MXP) and differentiation from its meta- and para-substituted isomers. Drug Test Anal 2015; 8:98-109. [PMID: 25873326 DOI: 10.1002/dta.1800] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2015] [Revised: 03/05/2015] [Accepted: 03/06/2015] [Indexed: 11/09/2022]
Abstract
The structurally diverse nature of the 1,2-diphenylethylamine template provides access to a range of substances for drug discovery work but some have attracted attention as 'research chemicals'. The most recent examples include diphenidine, i.e. 1-(1,2-diphenylethyl)piperidine and 2-methoxydiphenidine, i.e. 1-[1-(2-methoxyphenyl)-2-phenylethyl]piperidine (MXP, methoxyphenidine, 2-MXP) that have been associated with uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist activity. Analytical challenges encountered during chemical analysis include the presence of positional isomers. Three powdered samples suspected to contain 2-MXP were obtained from three Internet retailers in the United Kingdom and subjected to analytical characterization by gas chromatography (GC) and high performance liquid chromatography (HPLC) coupled to various forms of mass spectrometry (MS). Nuclear magnetic resonance spectroscopy, infrared spectroscopy and thin layer chromatography were also employed. This was supported by the synthesis of all three isomers (2-, 3- and 4-MXP) by two different synthetic routes. The analytical data obtained for the three purchased samples were consistent with the synthesized 2-MXP standard and the differentiation between the isomers was possible. Distinct stability differences were observed for all three isomers during in-source collision-induced dissociation of the protonated molecule when employing detection under HPLC selected-ion monitoring detection, which added to the ability to differentiate between them. Furthermore, the analysis of a 2-MXP tablet by matrix assisted inlet ionization Orbitrap mass spectrometry confirmed that it was possible to detect the protonated molecule of 2-MXP directly from the tablet surface following addition of 3-nitrobenzonitrile as the matrix.
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Affiliation(s)
- Gavin McLaughlin
- Department of Life and Physical Sciences, School of Science, Athlone Institute of Technology, Dublin Road, Westmeath, Ireland.,Department of Pharmacology and Therapeutics, School of Medicine, Trinity Centre for Health Sciences, St. James Hospital, Dublin, 8, Ireland
| | - Noreen Morris
- Department of Life and Physical Sciences, School of Science, Athlone Institute of Technology, Dublin Road, Westmeath, Ireland
| | - Pierce V Kavanagh
- Department of Pharmacology and Therapeutics, School of Medicine, Trinity Centre for Health Sciences, St. James Hospital, Dublin, 8, Ireland
| | - John D Power
- Department of Pharmacology and Therapeutics, School of Medicine, Trinity Centre for Health Sciences, St. James Hospital, Dublin, 8, Ireland
| | - John O'Brien
- School of Chemistry, Trinity College, Dublin, 2, Ireland
| | - Brian Talbot
- School of Pharmacy and Pharmaceutical Sciences, Trinity College, Dublin, 2, Ireland
| | - Simon P Elliott
- ROAR Forensics, Malvern Hills Science Park, Geraldine Road, WR14 3SZ, UK
| | - Jason Wallach
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, University of the Sciences, Philadelphia, PA, 19104, USA
| | - Khoa Hoang
- Department of Chemistry and Biochemistry, University of the Sciences, Philadelphia, PA, 19104, USA
| | - Hamilton Morris
- The New School for Social Research, Department of Anthropology, 66 West 12th Street, NY, 10011, New York, USA
| | - Simon D Brandt
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool, L3 3AF, UK
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65
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Elliott SP, Brandt SD, Wallach J, Morris H, Kavanagh PV. First Reported Fatalities Associated with the 'Research Chemical' 2-Methoxydiphenidine. J Anal Toxicol 2015; 39:287-93. [DOI: 10.1093/jat/bkv006] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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66
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Zhou MJ, Bouazzaoui S, Jones LE, Goodrich P, Bell SEJ, Sheldrake GN, Horton PN, Coles SJ, Fletcher NC. Isolation and structural determination of non-racemic tertiary cathinone derivatives. Org Biomol Chem 2015; 13:9629-36. [DOI: 10.1039/c5ob01306b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper the dynamic resolution of racemic tertiary cathinones is demonstrated through co-crystallization with enantiopure aromatic tartaric acids.
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Affiliation(s)
- M.-J. Zhou
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - S. Bouazzaoui
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - L. E. Jones
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - P. Goodrich
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - S. E. J. Bell
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - G. N. Sheldrake
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
| | - P. N. Horton
- University of Southampton
- Chemistry Department
- EPSRC National Crystallography Service
- Southampton
- UK
| | - S. J. Coles
- University of Southampton
- Chemistry Department
- EPSRC National Crystallography Service
- Southampton
- UK
| | - N. C. Fletcher
- School of Chemistry and Chemical Engineering
- Queen's University Belfast
- Belfast
- UK
- Department of Chemistry
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Tittarelli R, Mannocchi G, Pantano F, Romolo FS. Recreational use, analysis and toxicity of tryptamines. Curr Neuropharmacol 2015; 13:26-46. [PMID: 26074742 PMCID: PMC4462041 DOI: 10.2174/1570159x13666141210222409] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Revised: 10/25/2014] [Accepted: 10/25/2014] [Indexed: 11/22/2022] Open
Abstract
UNLABELLED The definition New psychoactive substances (NPS) refers to emerging drugs whose chemical structures are similar to other psychoactive compounds but not identical, representing a "legal" alternative to internationally controlled drugs. There are many categories of NPS, such as synthetic cannabinoids, synthetic cathinones, phenylethylamines, piperazines, ketamine derivatives and tryptamines. Tryptamines are naturally occurring compounds, which can derive from the amino acid tryptophan by several biosynthetic pathways: their structure is a combination of a benzene ring and a pyrrole ring, with the addition of a 2-carbon side chain. Tryptamines include serotonin and melatonin as well as other compounds known for their hallucinogenic properties, such as psilocybin in 'Magic mushrooms' and dimethyltryptamine (DMT) in Ayahuasca brews. AIM To review the scientific literature regarding tryptamines and their derivatives, providing a summary of all the available information about the structure of these compounds, their effects in relationship with the routes of administration, their pharmacology and toxicity, including articles reporting cases of death related to intake of these substances. METHODS A comprehensive review of the published scientific literature was performed, using also non peer-reviewed information sources, such as books, government publications and drug user web fora. CONCLUSIONS Information from Internet and from published scientific literature, organized in the way we proposed in this review, provides an effective tool for specialists facing the emerging NPS threat to public health and public security, including the personnel working in Emergency Department.
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Affiliation(s)
- Roberta Tittarelli
- Legal Medicine Section, Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, “Sapienza” University of Rome, Viale Regina Elena, 336, 00161 Rome, Italy
| | - Giulio Mannocchi
- Legal Medicine Section, Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, “Sapienza” University of Rome, Viale Regina Elena, 336, 00161 Rome, Italy
| | - Flaminia Pantano
- Legal Medicine Section, Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, “Sapienza” University of Rome, Viale Regina Elena, 336, 00161 Rome, Italy
| | - Francesco Saverio Romolo
- Legal Medicine Section, Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, “Sapienza” University of Rome, Viale Regina Elena, 336, 00161 Rome, Italy
- Institut de Police Scientifique, Université de Lausanne, Batochime, 1015 Lausanne, Switzerland
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