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Bronislav Jurásek

12 papers in the library · 105 citations · publishing 2016-2025

Papers

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The crystal structures of methoxmetamine hydrochloride and methoxetamine hydrochloride determined from laboratory X-ray powder diffraction data contained in the Powder Diffraction File ™

Powder Diffraction December 1, 2025 Analio Dugarte-Dugarte, Jacco van de Streek, Graciela Dı́az de Delgado et al.

Abstract The crystal structures of two arylcyclohexylamine derivatives – methoxmetamine·HCl (2-(3-methoxyphenyl)-2-(methylamino)cyclohexan-1-one hydrochloride, MMXE·HCl) and methoxetamine·HCl (2-(ethylamino)-2-(3-methoxyphenyl)cyclohexan-1-one hydrochloride, MXE·HCl) – have been determined using laboratory X-ray powder diffraction data contained in the Powder Diffraction File ™ . MMXE·HCl and...

DOI: 10.1017/s0885715625100948 (opens in new tab) Full text (opens in new tab) Powder diffraction Monoclinic crystal system Crystal structure Rietveld refinement +4

Behavioural and pharmacological evaluation of the psilocybin analogue baeocystin in Wistar rats.

Progress in Neuro-Psychopharmacology and Biological Psychiatry July 5, 2025 Hynek Danda, Kristýna Mazochová, Klára Šíchová et al. 1 citation

Baeocystin is a naturally occurring tryptamine-based compound found in various psychoactive mushrooms, including in several species of Psilocybe genus. Due to its structural similarity to psilocybin, which has shown a therapeutic potential in treatment of psychiatric disorders, there is a growing interest in investigating whether baeocystin exhibits comparable effects. This study investigated...

DOI: 10.1016/j.pnpbp.2025.111439 (opens in new tab) Full text (opens in new tab) Open field Pharmacokinetics Prepulse inhibition Wistar rats +2

Preliminary pharmacokinetic and psychophysical investigations after controlled oral and inhalative consumption of hexahydrocannabinol (HHC)

Scientific Reports March 24, 2025 Lisa Höfert, Benjamin Franz, Cedric Groß et al. 2 citations

The semi-synthetic cannabinoid hexahydrocannabinol (HHC) has become a highly discussed topic in forensic toxicology since 2022 due to its legal availability at this time and its psychoactive effects. This study aimed to investigate the pharmacokinetics, effects, and immunological detectability of HHC after oral (25 mg HHC fruit gum) and inhalative (three puffs from HHC vape) consumption with...

DOI: 10.1038/s41598-025-93931-4 (opens in new tab) Full text (opens in new tab) Pharmacokinetics Pharmacology Cannabinoid Saliva +1

The acute effects of methoxphenidine on behaviour and pharmacokinetics profile in animal model.

Progress in Neuro-Psychopharmacology and Biological Psychiatry March 20, 2025 Kristýna Štefková-mazochová, Hynek Danda, Vladimír Mazoch et al. 3 citations

Methoxphenidine (MXP) is classified as a new psychoactive substance that has recently emerged on the illicit drug market. Understanding the pharmacological and behavioural profiles of newly emerging drugs is essential for a better understanding of their psychotropic effects and potential toxicity. Therefore, in this study, we investigated a broad range of effects of acute MXP administration:...

DOI: 10.1016/j.pnpbp.2025.111285 (opens in new tab) Full text (opens in new tab) Methoxphenidine Pharmacokinetics Systemic toxicity Wistar rats +7

Intriguing Cytotoxicity of the Street Dissociative Anesthetic Methoxphenidine: Unexpected Impurities Spotted

International Journal of Molecular Sciences February 14, 2022 Bronislav Jurásek, Silvie Rimpelová, Martin Babor et al. 7 citations

The black market for new psychoactive substances has been constantly evolving and the substances that appear on this market cause a considerable number of issues, in extreme cases leading to human deaths. While monitoring the drug black market, we detected a sample of a dissociative anesthetic methoxphenidine, the salt of which contained an unusual anion in the form of bromo- and chloro-zincate...

DOI: 10.3390/ijms23042083 (opens in new tab) Cytotoxicity Impurity Dissociative Powder diffraction +6

Pharmacokinetic, pharmacodynamic, and behavioural studies of deschloroketamine in Wistar rats.

British Journal of Pharmacology 2022 Kristýna Štefková-mazochová, Hynek Danda, Wim Dehaen et al. 13 citations

Deschloroketamine (DCK), a structural analogue of ketamine, has recently emerged on the illicit drug market as a recreational drug with a modestly long duration of action. Despite it being widely used by recreational users, no systematic research on its effects has been performed to date. Pharmacokinetics, acute effects, and addictive potential in a series of behavioural tests in Wistar rats...

DOI: 10.1111/bph.15680 (opens in new tab) Full text (opens in new tab) Nmda receptor Deschloroketamine Enantiomers Locomotion +2

Synthesis, absolute configuration and in vitro cytotoxicity of deschloroketamine enantiomers: rediscovered and abused dissociative anaesthetic

New Journal of Chemistry 2018 Bronislav Jurásek, František Králík, Silvie Rimpelová et al. 15 citations

Deschloroketamine has been synthesized, the absolute configuration of enantiomers elucidated and the in vitro cytotoxicity of the enantiomers determined using nine different cell lines.

DOI: 10.1039/c8nj03107j (opens in new tab) Dissociative Enantiomer Absolute configuration Cytotoxicity +4

X-ray powder diffraction data for methoxetamine hydrochloride, C 15 H 22 ClNO 2

Powder Diffraction August 22, 2017 J. Maixner, Bronislav Jurásek, Michal Himl et al. 2 citations

X-ray powder diffraction data, unit-cell parameters and space group for 2-(ethylamino)-2-(3-methoxyphenyl)cyclohexan-1-one hydrochloride, C 15 H 22 ClNO 2 , are reported [ a = 8.574(2) Å, b = 9.943(2) Å, c = 8.774(1) Å, β = 100.294(3)°, unit-cell volume V = 736(1) Å 3 , Z = 2, and space-group P 2 1 ]. All measured lines were indexed and are consistent with the P 2 1 space group. No detectable...

DOI: 10.1017/s0885715617000860 (opens in new tab) Powder diffraction Group periodic table Hydrochloride X-ray crystallography +4

X-ray powder diffraction data for ( S )-Deschloroketamine hydrochloride, C 13 H 18 ClNO

Powder Diffraction June 21, 2017 J. Maixner, Bronislav Jurásek, Michal Kohout et al. 5 citations

X-ray powder diffraction data, unit-cell parameters, and space group for S -2-(methylamino)-2-phenylcyclohexan-1-one hydrochloride, C 13 H 18 ClNO, are reported [ a = 6.578 (1) Å, b = 13.250 (2) Å, c = 15.096 (2) Å, β = 91.619 (3)°, unit-cell volume V = 1315(1) Å 3 , Z = 4, and space group P 2 1 ]. All measured lines were indexed and are consistent with the P 2 1 space group. No detectable...

DOI: 10.1017/s0885715617000586 (opens in new tab) Powder diffraction Group periodic table Hydrochloride Unit ring theory +5

Synthesis of methoxetamine, its metabolites and deuterium labelled analog as analytical standards and their HPLC and chiral capillary electrophoresis separation

RSC Advances 2017 Bronislav Jurásek, Michal Himl, Radek Jurok et al. 13 citations

Methoxetamine, a designer drug marketed as a replacement for the dissociative anaesthetic ketamine, has been associated with significant numbers of hospital related intoxications and deaths in Europe.

DOI: 10.1039/c7ra10893a (opens in new tab) Ketamine Capillary electrophoresis Enantiomer High-performance liquid chromatography +3

Detailed pharmacological evaluation of methoxetamine (MXE), a novel psychoactive ketamine analogue—Behavioural, pharmacokinetic and metabolic studies in the Wistar rat

Brain Research Bulletin May 4, 2016 Rachel R. Horsley, Eva Lhotková, Kateřina Hájková et al. 38 citations

Methoxetamine (MXE) is a novel psychoactive compound (NPS) that emerged in 2010 as a substitute for the dissociative anaesthetic ketamine. MXE has a reputation of carrying a lower risk of harm than ketamine, however a number of deaths have been reported. Currently very little is known about the psychopharmacological effects of this compound or its toxicity; therefore we tested, in Wistar rats,...