Fluorinated Alkanols
Fluorinated Alkanols - Related Videos
01:13
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene
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2023
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. Unlike fluorine, iodine is highly unreactive for...
08:42
Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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Cited by 8 •
2016
Tools to diagnose bile acid malabsorption and measure bile acid transport in vivo are limited. An innovative approach in live animals is described that utilizes combined proton (1H) plus fluorine (19F) magnetic resonance imaging; this novel methodology has translational potential to screen for bile acid malabsorption in clinical practice.
09:24
Application and Methodology of the Non-destructive 19F Time-domain NMR Technique to Measure the Content in Fluorine-containing Drug Products
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Cited by 2 •
2017
A simple and non-destructive technique that measures the average content of drug substances in formulated drug products containing fluorine using low-field fluorine-19 (19F) time-domain (TD) nuclear magnetic resonance (NMR) is presented here. The technique can be applied to the development and manufacturing of drugs in the pharmaceutical industry.
09:17
Reductive Electropolymerization of a Vinyl-containing Poly-pyridyl Complex on Glassy Carbon and Fluorine-doped Tin Oxide Electrodes
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Cited by 4 •
2015
A procedure for performing reductive electropolymerization of vinyl-containing compounds onto glassy carbon and fluorine doped tin-oxide coated electrodes is presented. Recommendations on electrochemical cell configurations and troubleshooting procedures are included. Although not explicitly described here, oxidative electropolymerization of pyrrole-containing compounds follows similar procedures to vinyl-based reductive electropolymerization.
06:44
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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Cited by 2 •
2018
A protocol for the synthesis of a new type of mesogens, based on the halogen-bonded supramolecular anion [CnF2n+1-I···I···I-CnF2n+1]−, is reported.
FAQs
Fluorine withdraws electron density through the inductive effect, which can alter the acidity of the alcohol group. The magnitude of this influence depends on how fluorination changes the electronic environment around the hydroxyl-bearing framework. This tunable acidity helps chemists adjust reactivity when selecting a fluorinated alkanol for a particular reaction or molecular design problem.
Fluorination changes electronic and physical properties without removing the hydroxyl group. The remaining hydroxyl functionality can therefore continue to participate in hydrogen bonding, while its surrounding environment may influence the strength or character of molecular interactions. This combination allows a compound to retain alcohol-like hydrogen-bonding behavior while offering modified polarity, lipophilicity, or volatility.
Changes in fluorination can influence polarity, lipophilicity, volatility, acidity, and hydrogen-bonding behavior. These properties are interconnected but do not necessarily shift in identical ways, so fluorinated alkanols can provide different balances of solvent performance and molecular interaction. Such tuning is useful when a reaction or designed compound requires more selective physical or electronic behavior.
Compared with an alcohol lacking fluorine substitution, a fluorinated alkanol can present a different electron distribution while preserving the hydroxyl group. That difference may change acidity, solvent-related properties, and interactions with other molecules. The comparison is valuable because fluorination offers a way to modify performance without abandoning the reactivity and hydrogen-bonding contribution associated with an alcohol.
Selection should focus on the property balance required by the reaction or process, including polarity, hydrogen-bonding behavior, lipophilicity, volatility, and acidity. Fluorinated alkanols are useful when a conventional alcohol does not provide the desired combination of characteristics. Matching these properties to the experimental objective can help support selective reactions and predictable molecular interactions.
Their altered electronic properties can make fluorinated alkanols useful as specialized reagents, while their hydroxyl-containing structures allow incorporation into larger organic molecules. As building blocks, they help introduce fluorine-associated changes in polarity, lipophilicity, and molecular interactions. As reagents, they can contribute a tailored electronic environment to transformations in organic chemistry.
Medicinal chemists can use fluorinated alkanols to tune properties that influence how designed molecules interact with their surroundings, including polarity, lipophilicity, hydrogen bonding, and volatility. The hydroxyl group remains available for molecular recognition, while fluorination modifies the electronic environment. This combination supports the design of compounds with tailored interactions and performance.
They can help researchers pursue selective reactions, adjust solvent behavior, and construct molecules with deliberately modified physical and electronic properties. Their value comes from combining fluorine-driven changes with the hydroxyl group’s continuing participation in hydrogen bonding. Consequently, they serve not only as individual reaction components but also as tools for controlling molecular behavior during chemical design.