| Studies on the metabolism and detectability of the designer drug β-naphyrone in rat urine using GC-MS and LC-HR-MS/MS. | |
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MedLine Citation:
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PMID: 23303532 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Naphyrone (1-naphthalen-2-yl-2-pyrrolidin-1-yl-pentan-1-one; naphthylpyrovalerone, β-naphyrone) is a cathinone designer drug and was marketed as replacement for the synthetic cathinone derivative mephedrone. Meanwhile, naphyrone is also classified as a controlled drug in several countries. Therefore, the aim of this study was to identify the metabolites of naphyrone in rat urine using gas chromatography-mass spectrometry techniques and to show its detectability in urine samples. The following metabolic steps could be detected in rat urine: oxidation of the pyrrolidine ring to the corresponding lactam, hydroxylation of the propyl side chain and the naphthyl ring, degradation to the primary amines after opening of the pyrrolidine ring, and combinations of these steps. Assuming similar kinetics, an intake of naphyrone should be detectable in human urine mainly via its metabolites. Copyright © 2013 John Wiley & Sons, Ltd. |
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Authors:
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Markus R Meyer; Denise Prosser; Hans H Maurer |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-10 |
Journal Detail:
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Title: Drug testing and analysis Volume: - ISSN: 1942-7611 ISO Abbreviation: Drug Test Anal Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101483449 Medline TA: Drug Test Anal Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2013 John Wiley & Sons, Ltd. |
Affiliation:
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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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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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