Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene01:13

Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene

Bromination and chlorination of aromatic rings by electrophilic aromatic substitution reactions are easily achieved, but fluorination and iodination are difficult to achieve. Fluorine is so reactive that its reaction with benzene is difficult to control, resulting in poor yields of monofluoroaromatic products. To address this, Selectfluor reagent is used as a fluorine source in which a fluorine atom is bonded to a positively charged nitrogen.
Halogens03:01

Halogens

Group 17 elements, known as halogens, are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine a solid. Astatine is a highly unstable radioactive element, so currently, most of its properties are unknown due to its short half-life. Tennessine is a synthetic element also predicted to be in this group.
Electron Affinity03:07

Electron Affinity

The electron affinity (EA) is the energy change for adding an electron to a gaseous atom to form an anion (negative ion).
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
ortho–para-Directing Deactivators: Halogens01:24

ortho–para-Directing Deactivators: Halogens

Halogens are ortho–para directors. They are more electronegative than carbon. Therefore, as ring substituents, they can withdraw electrons through the inductive effect and deactivate the aromatic ring towards electrophilic substitution. Halogens also have an electron-donating resonance effect on the ring, which influences the orientation of the incoming electrophile. If an electrophile attacks at the ortho or the para position, the halogen donates electrons and stabilizes the intermediate...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Paediatric Long-Term Home Respiratory Support: Recommendations of the Swiss Society of Paediatric Pulmonology.

Respiration; international review of thoracic diseases·2026
Same author

Receptor interaction profiles of 4-alkoxy-2,6-dimethoxyphenethylamines (Ψ derivatives) and related amphetamines.

Frontiers in pharmacology·2025
Same author

Registry-based surveillance of paediatric home respiratory support in Switzerland: methodology and initial findings.

Swiss medical weekly·2025
Same author

Pharmacometabolomics via real-time breath analysis captures metabotypes of asthmatic children associated with salbutamol responsiveness.

iScience·2024
Same author

Early nasal microbiota and subsequent respiratory tract infections in infants with cystic fibrosis.

Communications medicine·2024
Same author

Data accuracy, consistency and completeness of the national Swiss cystic fibrosis patient registry: Lessons from an ECFSPR data quality project.

Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society·2023

Related Experiment Video

Updated: May 24, 2026

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
08:43

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives

Published on: January 19, 2016

Fluorine in psychedelic phenethylamines.

Daniel Trachsel1

  • 1daniel_trachsel@gmx.ch

Drug Testing and Analysis
|March 1, 2012
PubMed
Summary
This summary is machine-generated.

Fluorine substitution in psychedelic phenethylamines significantly alters psychoactivity. Introducing fluorine can diminish, enhance, or prolong effects, with some fluorinated compounds showing greater potency than their non-fluorinated counterparts.

More Related Videos

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones
06:06

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones

Published on: February 5, 2018

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
14:11

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

Published on: June 10, 2021

Related Experiment Videos

Last Updated: May 24, 2026

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
08:43

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives

Published on: January 19, 2016

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones
06:06

Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones

Published on: February 5, 2018

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
14:11

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

Published on: June 10, 2021

Area of Science:

  • Medicinal Chemistry
  • Pharmacology
  • Neuroscience

Background:

  • Psychedelic phenethylamines exhibit diverse psychoactive properties.
  • Fluorine incorporation is a key strategy in modern medicinal chemistry.
  • Fluorinated pharmaceuticals represent a significant market share.

Purpose of the Study:

  • To provide an overview of the biological properties of over 60 fluorinated phenethylamines.
  • To discuss historical and recent chemistry developments concerning fluorinated phenethylamines.
  • To explore the impact of fluorine on the psychoactivity of phenethylamine compounds.

Main Methods:

  • Literature review of existing studies on fluorinated phenethylamines.
  • Analysis of chemical structures and reported biological activities.
  • Comparative assessment of psychoactive effects of fluorinated versus non-fluorinated analogues.

Main Results:

  • Fluorine introduction into the phenethylamine nucleus can drastically alter psychoactivity.
  • Some fluorinated analogues, like difluoroescaline and trifluoroescaline, show retained or enhanced potency compared to parent compounds.
  • Difluoromescaline and trifluoromescaline demonstrated increased human potency and duration over mescaline.

Conclusions:

  • Fluorination is a powerful tool for modulating the pharmacological profile of psychedelic phenethylamines.
  • Strategic fluorine placement can fine-tune psychoactive effects, ranging from loss to enhancement.
  • Further research into fluorinated phenethylamines may yield novel compounds with tailored properties.