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What is the main use of 2-chloro-3-amino-5- (trifluoromethyl) pyridine?
2-Chloro-3-amino-5- (trifluoromethyl) pyridine is one of the organic compounds and has a wide range of uses in many fields.
First, in the field of medicinal chemistry, this compound is often used as a key intermediate. The special structure of the Gainpyridine ring and trifluoromethyl, chlorine and amino groups endows it with unique chemical properties and biological activities. On this basis, a variety of drugs with specific pharmacological activities can be prepared by chemical synthesis. For example, when developing antibacterial drugs, their structural properties can be used to modify and modify them to obtain new drugs that have high inhibitory or killing effects on specific bacteria.
Second, it is also an important raw material in pesticide chemistry. Due to the introduction of trifluoromethyl, the stability and fat solubility of the compound can be enhanced, making it easier to penetrate the epidermis or plant tissues of pests. With this as a starting material, pesticides with high insecticidal, bactericidal or herbicidal properties can be synthesized. For example, insecticides for specific pests can be prepared, and their special structures can be used to precisely act on the physiological system of pests to achieve the purpose of efficient control.
Third, in the field of materials science, 2-chloro-3-amino-5- (trifluoromethyl) pyridine also has potential uses. By reacting with other compounds, materials with special properties can be prepared. If it reacts with some polymer monomers, its special structure can be introduced into the main chain or side chain of the polymer, thereby imparting unique properties such as chemical resistance and thermal stability to the material, which is of great value in the preparation of high-performance materials.
In summary, 2-chloro-3-amino-5- (trifluoromethyl) pyridine is an important basic compound in the fields of medicine, pesticides and materials science due to its unique structure, which is of great significance to the development of related industries.
What are the physical properties of 2-chloro-3-amino-5- (trifluoromethyl) pyridine
2-Chloro-3-amino-5- (trifluoromethyl) pyridine, this is an organic compound, its physical properties are particularly important, and it is widely used in the chemical and pharmaceutical synthesis fields.
Looking at its properties, it is mostly white to light yellow crystalline powder under normal conditions. This state is easy to store and transport, and is easy to use and control in many chemical reactions.
When it comes to the melting point, it is about [X] ° C. The characteristics of the melting point are of great significance for the purity identification of this compound. If the purity is high, the melting point range is narrow and close to the theoretical value; if it contains impurities, the melting point will be reduced and the melting range will be widened. In this way, the quality of the compound can be judged, and the accuracy of experiments and production can be ensured in production and scientific research.
The boiling point is about [X] ° C. The boiling point is related to the phase transition of the compound under specific temperature and pressure conditions, and is a key parameter in chemical operations such as distillation and separation. Knowing the boiling point can effectively design the separation process to achieve efficient separation from other substances and obtain high-purity products.
Solubility is also an important physical property. It exhibits good solubility in organic solvents such as dichloromethane, N, N-dimethylformamide (DMF), but relatively poor solubility in water. This property plays a huge role in the selection of solvents for organic synthesis reactions. The good solubility in organic solvents is conducive to full contact of the reactants, accelerating the reaction process and improving the reaction efficiency. However, the solubility in water is not good. In the reaction or separation process involving the aqueous phase, this difference can be used to achieve phase separation and achieve the purpose of separation and purification.
In addition, the density of the compound is about [X] g/cm ³. The density is of great significance in the measurement of materials in chemical production and the design of the reactor. Accurately knowing the density can accurately calculate the volume and quality of the material, ensure that the reaction is carried out according to the expected stoichiometric ratio, and avoid reaction failure or product impurity due to improper material ratio.
The physical properties of 2-chloro-3-amino-5- (trifluoromethyl) pyridine have far-reaching influence on the research and production of chemical industry, medicine and other fields, and are the basis and key of many links.
What are the synthesis methods of 2-chloro-3-amino-5- (trifluoromethyl) pyridine
The synthesis of 2-chloro-3-amino-5- (trifluoromethyl) pyridine is an important topic in organic synthetic chemistry. The synthesis paths are diverse and are described in detail below.
First, the compound containing the pyridine ring is used as the starting material. The pyridine ring can be modified with appropriate substituents, such as the introduction of chlorine atoms at specific positions. This step can be achieved by halogenation reaction. Under suitable reaction conditions, the pyridine ring can be halogenated at specific positions and chlorine atoms can be introduced. Subsequently, try to introduce groups containing trifluoromethyl groups. In this process, trifluoromethyl can be introduced into the target position by nucleophilic substitution reaction, in which a reagent with trifluoromethyl reacts with a chlorinated pyridine derivative. Finally, through a series of reactions such as reduction and amination, an amino group is introduced at another position of the pyridine ring to obtain 2-chloro-3-amino-5- (trifluoromethyl) pyridine.
Second, it can also be synthesized based on other simple organic compounds through the strategy of constructing pyridine rings. First, the small molecule compounds containing suitable substituents are gradually linked to construct the pyridine structure by using organic synthesis methods. In the process of constructing the pyridine ring, the reaction steps are cleverly designed to pre-plan the positions of chlorine atoms, trifluoromethyl groups and subsequent amino groups. After the pyridine ring is formed, it is functionally converted and amino groups are introduced, and the final product is obtained.
During the synthesis process, the control of reaction conditions is extremely critical. Factors such as temperature, reaction time, proportion of reactants, and choice of catalyst all have a significant impact on the yield and selectivity of the reaction. Repeated experiments are needed to optimize the reaction conditions in order to achieve the purpose of efficient synthesis of 2-chloro-3-amino-5- (trifluoromethyl) pyridine. Different synthesis methods have their own advantages and disadvantages. In practical application, the most suitable synthesis path should be selected according to the comprehensive consideration of various factors such as the availability of raw materials, cost, and difficulty of reaction operation.
What are the precautions for storing and transporting 2-chloro-3-amino-5- (trifluoromethyl) pyridine?
For 2-chloro-3-amino-5- (trifluoromethyl) pyridine, many matters must be paid attention to during storage and transportation.
The nature of this compound may be more active, and the first choice of environment when storing. It should be placed in a cool, dry and well-ventilated place to prevent moisture deterioration or chemical changes due to excessive temperature. If stored in a humid place, moisture may react with the pyridine derivative, affecting its purity and quality. Excessive temperature may also cause adverse reactions such as decomposition and polymerization.
Furthermore, the packaging must be tight. Suitable packaging materials should be selected, such as corrosion-resistant containers, to prevent package damage and leakage. Because it contains chlorine, fluorine and other elements, or has certain corrosive properties, the packaging material requirements are strict.
During transportation, the same should not be ignored. It is necessary to follow the relevant dangerous chemical transportation specifications. The means of transportation should be clean, dry and free of other substances that may react with it. If mixed with incompatible chemicals, it is very likely that severe chemical reactions will occur, endangering transportation safety. During transportation, temperature and humidity should be closely monitored to ensure that the conditions are suitable and the stability of the compound is maintained.
In addition, whether it is storage or transportation, relevant operators should be professionally trained and familiar with the characteristics of this compound and emergency treatment methods. In the event of an unexpected situation such as leakage, it can be responded to quickly and properly to minimize the harm. In this way, it is necessary to ensure the safety of 2-chloro-3-amino-5 - (trifluoromethyl) pyridine during storage and transportation.
What is the market price of 2-chloro-3-amino-5- (trifluoromethyl) pyridine?
The market price of 2-chloro-3-amino-5- (trifluoromethyl) pyridine often varies due to many factors. The cost of its raw materials has a great impact on the price. If the raw materials are scarce or difficult to obtain, and many human, material and financial resources are required to purchase and purify, the cost of this compound will increase, which will lead to an increase in the market price.
Furthermore, the complexity of the process of preparing this compound is also related to the price. If the process is fine, requires multi-step reactions, and the reaction conditions are strictly controlled, such as precise control of temperature, pressure, reaction time, etc. At the same time, special catalysts or reagents are required. Such a complex process will raise production costs and prices will also rise.
The market supply and demand relationship is a key factor affecting its price. If there is a strong demand for 2-chloro-3-amino-5- (trifluoromethyl) pyridine in many industries, such as in the field of pharmaceutical synthesis, it is used for the preparation of special drugs, or in materials science, it is used as a raw material to develop new materials, but the supply is difficult to meet the demand, the price will naturally rise; on the contrary, if the demand is weak and the supply is excessive, the price will easily fall.
In addition, the competitive situation of the manufacturer also affects the price. If there are many manufacturers producing this compound in the market and the competition is fierce, the manufacturers may reduce the price appropriately in order to compete for market share; if only a few manufacturers have the capacity and are in a monopoly or semi-monopoly position, the price may be relatively high.
However, due to the lack of accurate market survey data, it is difficult to clarify the specific market price. For details, please consult the chemical product trading platform, relevant manufacturers or industry professionals to obtain accurate price information.