As a leading 3-amino-4-bromopyridine supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main uses of 3-amino-4-bromopyridine?
3-Amino-4-bromopyridine is also an organic compound. It has a wide range of uses and is often a key intermediate in the synthesis of many drugs in the field of medicinal chemistry. For example, in the creation of antibacterial drugs, this compound can introduce key structures through specific reactions to enhance the inhibitory and killing effects of drugs on bacteria, and help the development of new antibacterial drugs to deal with complex and changeable bacterial infections.
In the field of materials science, it also has important uses. Or can participate in the synthesis of materials with special photoelectric properties, such as the preparation of organic Light Emitting Diode (OLED) materials. After rational molecular design, the 3-amino-4-bromopyridine structural unit endows the material with a unique electron cloud distribution and energy level structure, improves the luminous efficiency and stability of the material, and enhances the performance of OLED display technology, making the display picture clearer and more colorful.
Furthermore, in pesticide chemistry, it is also an important synthetic raw material. Pesticide molecules with high insecticidal, bactericidal or herbicidal activities can be constructed through a series of reactions to enhance the targeting and biological activity of pesticides against harmful organisms, reduce the application amount, reduce the adverse impact on the environment, and contribute to the sustainable development of agriculture. In short, 3-amino-4-bromopyridine plays a key role in many chemical-related fields, and is an important substance for promoting technological progress and innovation in various fields.
What are 3-amino-4-bromopyridine synthesis methods?
There are many ways to synthesize 3-amino-4-bromopyridine. One is to use pyridine as the initial raw material and first go through the bromination step. In this process, pyridine and bromine can be interacted under suitable reaction conditions, such as in the presence of a catalyst, so that bromine is selectively added to a specific position of the pyridine ring to obtain 4-bromopyridine. This bromination reaction requires precise control of the reaction temperature, time and ratio of reactants, so that the reaction progresses in the expected direction and reduces the occurrence of side reactions.
Then, 4-bromopyridine is aminated. The method of aminization is commonly used for nucleophilic substitution. For example, a suitable amination reagent, such as ammonia or its derivatives, can be used to react with 4-bromopyridine under the appropriate reaction medium and conditions. In this step, the choice of solvent is crucial, which needs to be able to dissolve the reactants and promote the reaction process. At the same time, conditions such as temperature and pressure also need to be carefully regulated to improve the yield and purity of 3-amino-4-bromopyridine.
Another synthetic route is obtained by using nitrogen-containing heterocyclic compounds as starting materials and transforming them through a series of functional groups. If a nitrogen-containing heterocycle with a specific structure is selected, it is first modified by functional groups, and suitable substituents are introduced, and then the molecular structure of the target product is gradually constructed through the steps of cyclization, bromination and amination. Although this method may be complicated, in some cases, it can show unique advantages, such as better control of reaction selectivity, thereby improving the quality of the product.
Furthermore, the reaction strategy of transition metal catalysis can also be considered. Transition metal catalysts can effectively promote the progress of bromination and amination reactions, and can enhance the selectivity and efficiency of the reaction. In such methods, precise selection of suitable transition metal catalysts and ligands is essential to optimize the reaction conditions and improve the yield of the product. When reacting, conditions such as the amount of catalyst, reaction temperature and reaction time should be carefully investigated to achieve the best reaction effect.
What are the physical properties of 3-amino-4-bromopyridine?
3-Amino-4-bromopyridine is one of the organic compounds. It has many physical properties, so let me tell you one by one.
Looking at its properties, it is mostly solid under normal conditions, which is caused by factors such as intermolecular forces. Its color may be white to light yellow powder, and the texture is fine.
When it comes to the melting point, the melting point of this substance is quite critical, about a certain temperature range. The determination of the melting point can provide an important basis for the identification and purification of this compound. Due to the different purity of 3-amino-4-bromopyridine, its melting point may vary slightly.
As for solubility, in common organic solvents, their solubility varies. In polar organic solvents such as methanol and ethanol, there may be a certain solubility. This is due to the interaction between polar molecules, the molecules can form specific interactions with methanol and ethanol molecules, thus dissolving them. In non-polar organic solvents such as n-hexane, the solubility is very small, because the interaction between non-polar solvents and the compound molecules is weak.
In addition, its density is also one of the important physical properties. The value of density reflects the mass of the substance per unit volume, which is of great significance for operations involving the measurement and mixing of the substance.
Furthermore, its volatility is low. This is due to the strong interaction force between molecules, which makes it difficult to transition from liquid or solid to gaseous and escape. This property also needs to be considered when storing and using the compound.
In summary, the physical properties of 3-amino-4-bromopyridine, such as properties, melting point, solubility, density and volatility, are of great significance in many fields such as organic synthesis and drug development, and are related to the treatment, application and research of this substance.
What is the price range of 3-amino-4-bromopyridine in the market?
3-Amino-4-bromopyridine is in the market, and its price range is difficult to determine. The price of this compound often changes due to multiple reasons.
First, the amount of 3-amino-4-bromopyridine has a great impact on the price. If the buyer asks for a large amount of 3-amino-4-bromopyridine, the merchant may give a discount due to the high profit, and the price is slightly cheaper. However, if only a small amount is needed, in order to meet the needs of the experiment, the merchant may consider the cost, and the price may be slightly higher.
Second, the quality is also the key to the price. 3-Amino-4-bromopyridine is of high quality, with high purity and few impurities. It is suitable for high-end experiments or special industrial processes, and its price must be high. And those with lower quality can also be used, but the price should be lower.
Third, the state of supply and demand determines its price. If the market demand for this product increases sharply and the supply is limited, the price will rise. On the contrary, if the supply is abundant, the demand is flat, and the price may decline.
Fourth, the production method and cost are also related to the price. Complex production methods and high-cost raw materials all increase the production cost of this product, which in turn pushes up its market price.
Overall, in the market, the price of 3-amino-4-bromopyridine ranges from tens to hundreds of yuan per gram. To know the exact price, consult the supplier of chemical raw materials, and discuss it in detail according to quantity and quality.
What are 3-amino-4-bromopyridine storage conditions?
3-Amino-4-bromopyridine is a kind of organic compound. Its storage conditions are crucial, which is related to its quality and stability.
This compound should be stored in a cool and dry place. If it is cool, it can be protected from the disturbance of high temperature, because high temperature often causes chemical reactions of compounds, or accelerates their decomposition and deterioration. If it is in a hot summer place, the temperature is too high, which may damage its structure and properties.
A dry environment is also indispensable. Water vapor in the air may interact with the compound, causing adverse reactions such as hydrolysis. If placed in a humid place, water vapor is easy to adhere to its surface and gradually invade the interior, reducing the purity and affecting its subsequent use.
Furthermore, the storage place should be well ventilated. Ventilation can disperse volatile gases that may accumulate and avoid the formation of flammable and explosive mixed gases. And ventilation can maintain the relative stability of the storage environment and prevent the mutation of local environmental factors.
In addition, 3-amino-4-bromopyridine should be kept away from fire sources and oxidants. It has certain chemical activity, and it may cause combustion when exposed to fire sources, and the oxidant may cause severe chemical reactions, endangering safety.
When storing, it should also be contained in an appropriate container. This compound requires the material of the container, and the material that is resistant to corrosion and does not react with it must be used. For example, if the glass container is of poor quality or reacts with compounds such as ion exchange, it is advisable to choose a suitable glass or special plastic container.
In short, 3-amino-4-bromopyridine should be stored in a cool, dry, well-ventilated place, away from fire sources and oxidants, and in a suitable container to ensure its stability for subsequent use.