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What is the main use of 2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine?
2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine is also an organic compound. It has a wide range of uses and is often a key intermediate in the field of medicinal chemistry. Due to its unique chemical structure, it can be combined with many reagents through various chemical reactions to build complex drug molecular structures. For example, in the synthesis of new antibacterial drugs, it can participate in nucleophilic substitution reactions, so that the halogen atom on the pyridine ring is replaced by a group with specific biological activity, in order to achieve the purpose of improving the antibacterial efficacy of the drug.
In the field of pesticide chemistry, this compound also plays an important role. It can be used as a starting material for the synthesis of high-efficiency and low-toxicity pesticides. By modifying the substituents on the pyridine ring, the biological activity, selectivity and environmental compatibility of pesticides can be adjusted. For example, with reasonable structural modification, pesticides with high toxic activity against specific pests and low toxicity to non-target organisms can be synthesized, thereby reducing the adverse effects on the ecological environment.
Furthermore, in the field of materials science, 2-bromo-3-fluoro-6- (trifluoromethyl) pyridine can participate in polymerization reactions to prepare polymer materials with special properties. Because of its fluorine atoms, it can impart excellent properties such as chemical resistance and low surface energy to materials, so it may have potential applications in coatings, plastics and other fields.
What are the synthesis methods of 2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine
The method of synthesizing 2-bromo-3-fluoro-6- (trifluoromethyl) pyridine is quite important. One method is to use a compound containing a pyridine structure as the starting material. First, take a suitable pyridine derivative, which needs to reserve a reactive group in a suitable position. Then, the derivative meets the bromine-containing reagent, so that the bromine atom precisely replaces the hydrogen atom in a specific position. This bromine-containing reagent can be selected as a brominating agent. Under suitable reaction conditions, such as suitable temperature and solvent environment, the bromination reaction can be carried out in an orderly manner.
After the bromine atom is successfully introduced, the fluorine atom is introduced. At this time, it is necessary to choose a suitable fluorination reagent and carefully control the reaction parameters, such as temperature and reaction time. Due to the special activity of fluorine atoms, the conditions need to be controlled very precisely, so that fluorine atoms can smoothly replace the atoms at the target position and successfully obtain bromine and fluorine-containing pyridine intermediates.
The last step is to introduce trifluoromethyl. This step can be achieved by a specific trifluoromethylation reagent. In a suitable reaction system, the trifluoromethylation reagent interacts with the above intermediates to connect the trifluoromethyl to the designated position of the pyridine ring, and finally obtain 2-bromo-3-fluoro-6- (trifluoromethyl) pyridine.
The choice of solvent is crucial throughout the reaction. For different stages of the reaction, solvents of different polarities and solubility need to be adapted to facilitate the smooth progress of the reaction and improve the purity and yield of the product. At the same time, the monitoring of reaction temperature and time cannot be ignored. Minor deviations may cause different reaction results. After each step of the reaction, suitable separation and purification methods are required to remove impurities and obtain a pure target product. In this way, after careful operation in multiple steps, 2-bromo-3-fluoro-6- (trifluoromethyl) pyridine can be obtained.
What are the physical properties of 2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine
2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine is also an organic compound. Its physical properties are quite explainable.
Looking at its shape, under room temperature and pressure, it is mostly colorless to pale yellow liquid, with a clear texture, like a clear spring. This state is conducive to its fusion and reaction with other substances in many chemical reactions, just like fish swimming in water, paving the way for various synthetic pathways.
When it comes to odor, it often has a special aromatic charm. However, this smell is not a rich fragrance, but it is unique. It seems to quietly tell its unique chemical identity in the air, which is unforgettable. < Br >
Relates to the melting point and boiling point. The melting point is between -20 ° C and -10 ° C. It is like thin ice in winter, which melts when warm. The boiling point is in the range of 170 ° C to 180 ° C. In a heated environment, its molecules are energized and active, break free from the liquid phase binding, and rise into the gas phase. This property plays an extraordinary role in the process of separation and purification.
Its density is about 1.7-1.8 g/cm ³, which is heavier than water. If it is poured into water, it is like a stone sinking to the bottom and settling down.
Solubility is also an important physical property. This compound has good solubility in common organic solvents, such as dichloromethane, chloroform, and ether. It is like a salt blending into water and can disperse uniformly to form a uniform system. However, it has little solubility in water. Due to the characteristics of its molecular structure, the force between it and water molecules is weak, making it difficult to form a mutual solubility potential.
And because it contains halogen atoms such as bromine and fluorine, it has a certain polarity, which affects its interaction with other substances and produces significant effects in chemical reactions, molecular identification, and other fields. All these physical properties are indispensable elements in various fields such as organic synthesis, drug development, and materials science. They help researchers gain insight into its characteristics and control it for the well-being of mankind.
What are the chemical properties of 2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine
2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine, this is an organic compound. Its chemical properties are unique and interesting.
Let's talk about its halogenated pyridine structure first, and the existence of bromine and fluorine atoms gives it active reaction characteristics. Bromine atoms are like the key to open the door of the reaction in many nucleophilic substitution reactions. Nucleophiles, such as alkoxides and amines, are easily attacked, and bromine atoms happily leave to form novel compounds. For example, when reacted with alkoxides, ether derivatives can be cleverly constructed; when met with amines, nitrogen-containing pyridine derivatives can be formed, which is a key cornerstone for building a complex drug molecule in the field of drug synthesis.
Fluorine atoms, although small in size, have huge energy. It significantly enhances the lipophilic properties of molecules. When the compound is involved in drug research and development, the characteristics of fluorine atoms help molecules to cross biofilms more easily, just like "wings" for drug molecules to cross barriers, enhancing bioavailability. At the same time, fluorine atoms also enhance the stability of molecules, acting as a strong shield, making them more resistant to chemical reactions and in the environment of living organisms.
Furthermore, the influence of trifluoromethyl groups cannot be ignored. It greatly alters the electron cloud distribution of molecules, causing significant changes in the electron density of the pyridine ring, which in turn affects the reactivity on the ring. In the electrophilic substitution reaction, the strong electron-withdrawing effect of trifluoromethyl makes the reaction check point tend to a specific position of the pyridine ring, providing a unique guide for the precise control of organic synthesis.
On the stage of organic synthesis, 2-bromo-3-fluoro-6- (trifluoromethyl) pyridine is undoubtedly a shining star due to its unique chemical properties, providing infinite possibilities and broad space for the creation of organic compounds with diverse structures and rich functions.
What is the price range of 2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine in the market?
The price of 2 - Bromo - 3 - fluoro - 6 - (trifluoromethyl) pyridine is determined in Wuwei City. The price of this compound often changes due to multiple reasons. The abundance of its raw materials, the difficulty of preparation, and the amount of purchase are all variables of its price.
If you want to ask for its price, you should consult chemical merchants, reagent suppliers, or visit chemical trading platforms. Common chemical merchants, such as Sinopharm Group Chemical Reagent Co., Ltd., search banner reagent (Shanghai) joint stock company, etc., can be asked. The price they offer may vary depending on the quantity, and the price may be better if the quantity is large. < Br >
2-Bromo-3-fluoro-6- (trifluoromethyl) pyridine with different purity has different prices. For high purity, it is difficult to prepare, so the price is often high; for low purity, it is easy to prepare, and the price may be slightly lower.
In addition, the supply and demand of the market also affect the price. If there are many buyers at a time, but there are few suppliers, the price may be raised; if the supply exceeds the demand, the price may be depressed.
Therefore, if you want to know the exact price, you need to consult the merchants widely, compare the price, and observe the purity, quantity, and supply and demand before you can know the price range.