Chemical Formula | C7H7FO2S |
Molar Mass | 174.19 g/mol |
Appearance | White to off - white crystalline solid |
Melting Point | 95 - 98 °C |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in dichloromethane, chloroform, ethyl acetate etc. |
Purity | Typically high - purity (e.g., 98%+ in commercial products) |
Stability | Stable under normal conditions, but reacts with nucleophiles |
What is α-toluenesulphonyl fluoride?
α-toluenesulfonyl fluoride is an important compound in organic chemistry. It plays a key role in various chemical and biological processes.
α-toluenesulfonyl fluoride is often referred to by the abbreviation TOSF. This substance contains toluenesulfonyl (-SO 2O -) and fluorine atoms, and has a unique structure. Its chemical properties are active and it has a wide range of uses in the field of organic synthesis. Due to the existence of its sulfonyl fluoride group, it can react with many nucleophiles, making it an important starting material for the construction of various organic molecular structures.
In biochemical research, α-toluenesulfonyl fluoride is also of great significance. It may inhibit the activity of specific enzymes, which makes it useful to explore the mechanism of action and related biochemical pathways of enzymes. For example, the inhibition of the activity of some proteases, α-toluenesulfonyl fluoride may be a powerful tool.
When using α-toluenesulfonyl fluoride, caution is also required. Because it has certain chemical activity, or potential harm to the human body and the environment. Therefore, during laboratory operation or industrial application, strict safety procedures must be followed to prevent accidents.
α-toluenesulfonyl fluoride is an indispensable substance in the chemical and biological fields. Its characteristics and uses are to be continuously explored and explored by researchers to promote the development of related fields.
What are the main uses of α-toluenesulphonyl fluoride?
Alpha-toluenesulfonyl fluoride is widely used. In the field of biochemistry, it is often a protease inhibitor. Alpha-toluenesulfonyl fluoride is an enzyme that catalyzes proteolysis in organisms. If its activity is out of control, it may cause many physiological disorders. Alpha-toluenesulfonyl fluoride can covalently bind to serine residues at the checkpoint of protease activity to inactivate the enzyme to maintain the homeostasis of protein metabolism in organisms.
In pharmaceutical research and development, it is also crucial. When exploring the pathogenesis of diseases and drug targets, it is necessary to precisely regulate protease activity. Alpha-toluenesulfonyl fluoride can help researchers clarify the role of specific proteases in the process of diseases, paving the way for the creation of new drugs. For example, in some inflammatory diseases, specific proteases are overexpressed, and α-toluenesulfonyl fluoride can inhibit its activity or become a potential therapeutic means.
It is also useful in chemical production. As an organic synthesis reagent, it participates in the preparation of many organic compounds. With its special chemical structure, it can introduce specific functional groups and change the properties of compounds to meet different industrial needs, such as material modification, fine chemical synthesis, etc.
What are the precautions for α-toluenesulphonyl fluoride during use?
Alpha-toluenesulfonyl fluoride, when using, many things should be paid attention to.
First, it is highly toxic and can cause serious damage to the human body. If it accidentally touches the skin, rinse with plenty of water as soon as possible, and then seek medical treatment. Do not take it lightly. If it splashes into the eye, it is even more critical. You should immediately open the eyelids, rinse with flowing water or normal saline, and be sure to go to the ophthalmology department for treatment as soon as possible.
In addition, its volatility is strong. When operating, it must be carried out in a well-ventilated place, preferably in a fume hood, to prevent inhalation of the volatile gas of the substance and damage to the respiratory tract. If inhaled, it should be immediately moved to a place with fresh air. If breathing difficulties occur, oxygen should be given and first aid should be sent to the hospital as soon as possible.
In addition, α-toluenesulfonyl fluoride is chemically active and easily reacts with a variety of substances. Therefore, when storing and using, it is necessary to avoid contact with strong oxidants, strong alkalis and other substances to prevent dangerous chemical reactions, such as explosions and intense combustion. When storing, it should be placed in a cool, dry and well-ventilated place, away from fire and heat sources, and properly sealed and stored.
During use, relevant operators must take protective measures, wear protective clothing, gloves, protective glasses and gas masks, etc., and must not be careless, so as not to endanger their own safety.
What are the storage conditions for α-toluenesulphonyl fluoride?
Alpha-toluenesulfonyl fluoride is an important chemical substance, and its storage conditions are crucial.
This substance should be stored in a cool, dry and well-ventilated place. A cool environment can prevent its chemical properties from changing due to excessive temperature. Under high temperatures, alpha-toluenesulfonyl fluoride may accelerate decomposition, or cause other chemical reactions, which will damage its quality and efficiency.
Dry conditions are also indispensable. Because of its certain activity, it is easy to react such as hydrolysis in contact with water, so it must be kept away from water sources and moisture to avoid deterioration.
Well-ventilated can disperse harmful gases that may evaporate in time, ensuring the safety of the storage environment and reducing potential hazards.
Furthermore, α-toluenesulfonyl fluoride should be stored separately from oxidants, alkalis and other substances. Oxidants may react violently with α-toluenesulfonyl fluoride, resulting in serious consequences such as combustion and explosion; contact with alkalis may also trigger chemical reactions and change its chemical structure and properties.
When storing, pay attention to sealed packaging. Sealing can effectively isolate air, moisture and other impurities, maintain its chemical stability, and prolong the shelf life.
When handling α-toluenesulfonyl fluoride, the operation must also be careful and light, to prevent damage to the packaging and material leakage, which poses a threat to the environment and personal safety. In this way, alpha-toluenesulfonyl fluoride can be properly stored to ensure its quality and safety.
What are the synthesis methods of α-toluenesulphonyl fluoride?
Alas, if you want to know the synthesis method of α-toluenesulfonyl fluoride, let me know in detail.
Synthesis of α-toluenesulfonyl fluoride, one method can start from toluene. First, toluene and chlorosulfonic acid interact, and when the two meet, they will have a sulfonation reaction. The benzene ring of toluene, under the influence of chlorosulfonic acid, the hydrogen atom on the benzene ring is replaced by the sulfonyl chloride group to obtain toluenesulfonyl chloride. In this process, the reaction conditions are very important, and the temperature and the proportion of reactants need to be precisely controlled to make the reaction proceed smoothly, and the product yield is also good.
After obtaining toluenesulfonyl chloride, make it meet with the fluorinating agent. Commonly used fluorinating agents, such as potassium fluoride. In a suitable solvent, toluenesulfonyl chloride and potassium fluoride react with fluorine substituted for chlorine at a certain temperature and reaction time. In this way, α-toluenesulfonyl fluoride can be obtained.
Another way can be started from the corresponding toluenesulfonic acid derivatives. For example, the alkali metal salt of toluenesulfonic acid is reacted with fluorinated reagents. Fluorinated reagents such as antimony trifluoride, etc., in a suitable reaction system, the oxygen atom and fluorine atom in the sulfonate can be replaced to generate α-toluenesulfonyl fluoride.
This synthesis method has its own advantages and disadvantages. From the method of starting toluene, the raw materials are easy to obtain, but the steps are slightly complicated, and the separation and purification of the intermediate product may require fine operation; from the method of starting toluenesulfonic acid derivatives, the reaction steps may be slightly simplified, but the fluorine-containing reagents used may have special requirements, and the cost, reaction conditions and other factors also need to be comprehensively considered to obtain a suitable synthesis strategy.