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3,5-Bis(trifluoromethyl)benzyl chloride is an organic compound with the chemical formula C9H5ClF6 and CAS 75462-59-8. It is a colorless to slightly yellow liquid and is a relatively stable compound, but may undergo hydrolysis under strong alkaline conditions. Additionally, it is also relatively stable to light and oxygen in air. It is a flammable liquid that releases toxic fluoride gas when burned. The vapor pressure is low and increases with temperature, with a flash point of 59 ℃, indicating that flashover will occur when encountering open flames or arcs at this temperature.
Commonly used as an intermediate in chemical synthesis, it can participate in various organic synthesis reactions and is used to synthesize various complexes, such as drugs, pesticides, dyes, polymer materials, etc. May appear as a component of certain environmental pollutants. In environmental science research, its specific chemical properties can be utilized for the detection and analysis of environmental pollutants. By developing detection methods and technologies based on this compound, rapid and accurate detection of environmental pollutants can be achieved, providing scientific basis for environmental protection and governance.
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Chemical Formula |
C9H5ClF6 |
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Exact Mass |
262 |
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Molecular Weight |
263 |
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m/z |
262 (100.0%), 264 (32.0%), 263 (9.7%), 265 (3.1%) |
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Elemental Analysis |
C, 41.17; H, 1.92; Cl, 13.50; F, 43.41 |
3,5-Bis(trifluoromethyl)benzyl chloride, as an organic compound with a special chemical structure, has a wide range of applications in the field of analysis and testing.
Quality control
In analytical testing, it is often used as a standard or reference to ensure the accuracy and reliability of the analysis results. A standard substance is a substance with known concentration, purity, and chemical structure, used for calibrating instruments, validating analytical methods, and evaluating analytical performance. By comparing and analyzing with standard samples, it is possible to evaluate whether the concentration, purity, or chemical structure of the test sample is consistent with the target substance.
Calibration work
In various analytical techniques such as chromatography, spectroscopy, mass spectrometry, etc., it can be used as a calibration substance. By preparing a series of standard solutions with known concentrations, a quantitative relationship between concentration and response signal can be established, thereby achieving quantitative analysis of unknown samples. This calibration method helps to improve the accuracy and reproducibility of the analysis results.
Chromatographic analysis
In chromatographic analysis techniques such as gas chromatography (GC) and liquid chromatography (LC), it can be used as a calibration substance or internal standard for chromatographic columns. By adding it to the test sample, the performance changes of the chromatographic column, such as separation degree, sensitivity, etc., can be monitored to ensure the stability and reliability of the analysis results. In addition, it can also be used to optimize chromatographic conditions, such as selecting appropriate mobile phases, adjusting column temperature, etc., to improve analysis efficiency and accuracy.
Spectral analysis
In spectral analysis techniques such as UV Vis and IR, specific absorption peaks or vibrational modes can be used as characteristic spectral lines for substance identification or quantitative analysis. By measuring the similarity or difference between the spectra of the test sample and the standard sample, it is possible to determine whether the sample contains the target substance and its content.
Mass spectrometry analysis
In mass spectrometry (MS), the molecular structure gives it a unique mass spectrum. By comparing and analyzing it with the mass spectrum of the sample to be tested, it can be confirmed whether the compound is present in the sample and its structural information. In addition, mass spectrometry analysis can also be used to study the cracking laws, reaction mechanisms, and other chemical properties of 3,5-ditrifluoromethylbenzyl chloride.
Environmental monitoring
In the field of environmental monitoring, this substance or its derivatives may appear as indicators of certain pollutants or pollution sources. By analyzing the content and distribution of the compound in environmental samples, the degree and source of environmental pollution can be evaluated. In addition, it can also be used to develop new environmental monitoring technologies and methods.
Food safety
In the field of food safety, this substance or its analogues may appear as components of certain food additives, pesticide residues, or industrial pollutants. By accurately measuring and analyzing its content in food, the safety and compliance of food can be ensured. In addition, 3,5-ditrifluoromethylbenzyl chloride can also be used to develop new food safety detection technologies and methods.
Research on synthetic intermediates and reactions
Due to its unique chemical structure, it is often used as a key intermediate in organic synthesis. Researchers can utilize the activity of its chlorine atom and trifluoromethyl group to carry out various chemical reactions such as substitution, addition, coupling, etc., to construct more complex organic molecules with specific properties. These molecules have important application value in fields such as medicinal chemistry and materials science. Meanwhile, by studying the conditions, mechanisms, and product distribution of these reactions, we can deepen our understanding of organic chemical reactions and promote the development of organic synthetic chemistry.
Exploration of Conversion Paths
Exploring new conversion pathways in chemical synthesis is one of the important directions of scientific research. It can serve as a starting point or intermediate, generating various valuable compounds through different conversion pathways. Researchers can explore new conversion pathways and study their reaction mechanisms and product properties by changing reaction conditions, catalyst types, or introducing other reactants. These studies not only contribute to enriching the knowledge system of organic synthesis chemistry, but may also provide new ideas and methods for fields such as drug development and material preparation.
Drug molecular design and synthesis
It plays an important role in pharmaceutical chemistry research. Due to the strong electron withdrawing property of its trifluoromethyl group and the electrophilicity of its chlorine atom, this compound has unique advantages in drug molecule design. Researchers can introduce it into drug molecules and design new drugs with specific pharmacological effects by adjusting their chemical structure and biological activity. These new drugs may have better efficacy, lower toxicity, and higher bioavailability, which are of great significance for treating diseases such as cancer, inflammation, and infections.
Research on the mechanism of drug action
In addition to drug molecule design and synthesis, it can also be used for the study of drug mechanisms of action. Researchers can study the binding mode, site of action, and mechanism of action of drug molecules containing the compound by constructing interaction models with biomolecules such as proteins, DNA, etc. These studies help to reveal the biological activity and mechanism of action of drug molecules, providing theoretical basis for drug development and optimization.
3,5-Bis (trifluoromethyl) benzyl chloride, as a key intermediate in organic synthesis, has attracted much attention due to its unique chemical properties and applications in pharmaceuticals, agricultural chemicals, and advanced materials.
The research on this compound can be traced back to the progress of trifluoromethylation chemistry, which has rapidly developed since the late 20th century.
Due to the strong electronegativity, high stability, and lipophilicity of trifluoromethyl groups, the introduction of trifluoromethyl groups into aromatic systems has become a focus of research.
Early research in the 1960s and 1970s, such as McLoughlin's use of CuCF ∝ for nucleophilic substitution and Prakash's study of TMSCF ∝, laid the foundation for the synthesis of trifluoromethylaromatic compounds. However, this specific synthesis was generated through a broader exploration of integrating multiple trifluoromethyl groups onto the benzene ring.
In the 21st century, the development of more efficient trifluoromethylation reagents, including Meben reagent and CF ∝ SO ₂ Na (Langueva reagent), has promoted the preparation of complex trifluoromethyl compounds. These advances have made synthesis possible and have now been used for the production of neurokinin antagonists and herbicides. Its chlorine substituent further realizes functionalization, making it a multifunctional building block in organic synthesis.
The recent research focus is on optimizing its synthesis and derivatives, such as 3,5-bis (trifluoromethyl) benzylamine prepared by amino dehalogenation reaction. The potential of this compound in materials science and drug discovery continues to drive its research, reflecting the enduring importance of trifluoromethyl compounds in modern chemistry.
3,5-ditrifluoromethylbenzyl chloride, with the chemical formula C9H5ClF6, is an organic compound with unique chemical properties. Although there is no clear chronological record of its discovery history, the development of its synthesis methods, application fields, and the research process of related compounds can be used to trace its gradual recognition and utilization.
Early research background and synthetic exploration
Trifluoromethyl groups have significant value in organic synthesis due to their strong electron withdrawing effect and large steric hindrance. In the early days, scientists conducted extensive research on compounds containing trifluoromethyl groups, aiming to explore their potential applications in fields such as medicine, pesticides, and materials science.
In terms of synthesis methods, early studies may have drawn on the synthesis strategies of organic halides with similar structures. For example, introducing halogen atoms through bromination reaction, and then replacing bromine atoms with chlorine atoms through substitution reaction.
However, due to the strong electron withdrawing effect of trifluoromethyl, the electron cloud density on the benzene ring decreases, increasing the difficulty of the halogenation reaction.
Breakthrough in key synthesis steps
With the continuous development of organic synthesis technology, scientists have gradually mastered its efficient synthesis methods. A typical synthetic route is to use 3,5-ditrifluoromethylbenzaldehyde as raw material, first prepare the substance through reduction reaction, then convert benzyl alcohol to benzyl bromide through bromination reaction, and finally replace bromine atom with chlorine atom through substitution reaction to obtain the target product.
In reduction reactions, commonly used reducing agents include sodium borohydride (NaBH4). By controlling the reaction conditions, aldehyde groups can be efficiently reduced to hydroxyl groups, resulting in high-purity products.
In the bromination reaction, the combination of triphenylphosphine (PPh3) and carbon tetrabromide (CBr ₄) has been proven to be an effective bromination reagent. By optimizing the reaction ratio and reaction time, this substance can be obtained with high selectivity.
Finally, through a substitution reaction, the bromine atom in benzyl bromide is replaced with a chlorine atom to obtain 3,5-ditrifluoromethylbenzyl chloride.
FAQ
What is 1 ethynyl 3 5 bis trifluoromethyl benzene?
1-Ethynyl-3,5-bis(trifluoromethyl)benzene is widely utilized in research focused on: Organic Synthesis: This compound serves as a key building block in the synthesis of various organic materials, particularly in the development of advanced polymers and functional materials.
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