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What are the main uses of N- (2,6-dimethylphenyl) pyridine-2-formamide?
N- (2,6-dimethylbenzyl) pyridine-2-methylquinolinone, this substance is very important in the pharmaceutical industry. Its role in the creation of anti-cancer agents is particularly significant. Cancer cells proliferate rapidly, and Chang Lai specializes in signaling pathways and proteins. And this compound can precisely act on key targets in cancer cells, inhibit the activity of related proteins, or hinder signal transduction, thus effectively curbing the growth and spread of cancer cells, paving the way for the development of anti-cancer drugs.
It is also useful in the development of drugs for neurological diseases. Neurological diseases, such as Alzheimer's disease, Parkinson's disease, etc., have complex pathogenesis, involving neurotransmitter imbalance, abnormal protein aggregation, etc. The substance can regulate the synthesis, release and metabolism of neurotransmitters, maintain the normal function of nerve cells, and inhibit the accumulation of abnormal proteins, providing potential effective drugs for the treatment of nervous system diseases.
Furthermore, in the field of antibacterial drug research and development, it should not be ignored. The problem of bacterial drug resistance is becoming more and more serious, and the development of new antibacterial drugs is imminent. This compound exhibits unique antibacterial activity against some drug-resistant bacteria, or can damage the cell wall and cell membrane of bacteria, or interfere with the synthesis of nucleic acid and protein of bacteria, bringing hope for solving the problem of bacterial drug resistance. In conclusion, N - (2,6 -dimethylbenzyl) pyridine-2 -methylquinolinone has broad prospects in the pharmaceutical field and is expected to make great contributions to the improvement of human health and well-being.
What are the synthesis methods of N- (2,6-dimethylphenyl) pyridine-2-formamide?
To prepare N- (2,6-dimethylbenzyl) -2-methylpyridinone, there are many methods of synthesis, which are described in detail today.
First, 2-methylpyridine is used as the starting material. First, it interacts with a strong base to form a pyridine anion, which has strong nucleophilicity. Then it meets 2,6-dimethylbenzyl halide, and according to the principle of nucleophilic substitution, the halogen atom leaves, and the two are connected to form the target product. This path step is still simple, but the choice of raw materials 2-methylpyridine and 2,6-dimethylbenzyl halide requires consideration of reactivity and cost. If the activity of the halide is not good, the reaction conditions may be severe, and the energy consumption will also increase.
Second, you can start with 2,6-dimethylbenzylamine. React with derivatives of 2-methylpyridone, such as 2-methyl-4-halo pyridone. The amino nucleophilic of benzylamine attacks the carbon position of the halogen atom of halopyridone, and the halogen ion escapes to form N- (2,6-dimethylbenzyl) -2-methylpyridone. In this process, the activity of the halogen atom of the halogenated pyridinone is very important. If the activity is high, the reaction will tend to be complete. However, the stability of the highly active halogenate may be poor, and caution is required for preservation and handling.
Third, 2-methyl-1-pyridine oxide is used as the starting material. First, it is activated to change the electron cloud density of the pyridine ring and enhance its nucleophilicity. Then it reacts with 2,6-dimethylbenzyl halides and undergoes nucleophilic substitution to achieve the construction of the C-N bond, and the target product is obtained. This approach requires attention to the activation conditions of the pyridine oxide. Improper conditions may cause side reactions to cluster and the purity of the product is damaged. < Br >
Or, through the coupling reaction catalyzed by palladium. Using 2-methyl pyridine derivatives and 2,6-dimethyl benzyl borate as raw materials, under the combined action of palladium catalyst, base and specific ligands, the C-N bond is realized to achieve the coupling and synthesis of target molecules. Palladium-catalyzed reaction has the advantages of high efficiency and good selectivity, but palladium catalysts are expensive, high reaction costs, and the reaction system is sensitive to impurities, so the reaction environment needs to be strictly controlled.
All these synthesis methods have advantages and disadvantages. In practice, it is necessary to consider many factors such as raw material cost, reaction conditions, product purity and yield, and make careful choices to achieve the best synthesis effect.
What are the physical properties of N- (2,6-dimethylphenyl) pyridine-2-formamide?
2- (2,6-dimethylbenzyl) pyridine-2-methylquinolinonitrile is a crucial compound in the field of organic synthesis. Its physical properties are unique, and it is of great significance to explore it in the field of organic chemistry.
Looking at its appearance, it is mostly white to light yellow crystalline powder under normal conditions. This form gives it good dispersion and stability in many reaction systems, which is convenient for operation and reaction.
In terms of melting point, it is about 100-110 ° C. This melting point characteristic is of great significance for the purification and identification of compounds. By measuring the melting point, its purity can be effectively determined to ensure the quality of experiment and production.
Solubility is also one of the key physical properties. The compound exhibits good solubility in common organic solvents such as chloroform, dichloromethane, and N, N-dimethylformamide (DMF). This property makes it possible to flexibly select suitable solvent systems according to reaction requirements in organic synthesis reactions, thereby optimizing reaction conditions and improving reaction efficiency and yield. However, its solubility in water is poor, which limits its application in aqueous systems, but facilitates its separation and purification in organic phase reactions.
In addition, the compound has certain stability, and can be stored in a dry and cool place for a long time without significant deterioration under conventional storage conditions. However, it is necessary to pay attention to avoid contact with strong oxidants, strong acids, strong bases and other substances to prevent chemical reactions and damage their structures and properties.
In short, the unique physical properties of 2- (2,6-dimethylbenzyl) pyridine-2-methylquinolinonitrile lay a solid foundation for its application in organic synthesis, medicinal chemistry and other fields. In-depth understanding and rational application of these properties will strongly promote research and development in related fields.
What are the chemical properties of N- (2,6-dimethylphenyl) pyridine-2-formamide?
(2,6-Dimethylbenzyl) - 2-methylfuranaldehyde, this is an organic compound. Its chemical properties are rich, let me tell you one by one.
First of all, its aldehyde group properties are quite active. The aldehyde group is typically reductive and can react with weak oxidants such as silver ammonia solution in a silver mirror. In this reaction, the aldehyde group is oxidized to a carboxyl group, and the silver ammonia complex ion is reduced to metallic silver, forming a bright silver mirror on the container wall. It can also react with the new copper hydroxide suspension. Under heating conditions, the aldehyde group reduces the copper hydroxide to a cuprous oxide red precipitate, which itself is oxidized to a carboxyl group.
Secondly, the benzene ring structure also has its own characteristics. The benzene ring has a certain stability, but it can be substituted under specific conditions. If there is a catalyst, it can undergo halogenation reaction with halogen elements, and halogen atoms replace hydrogen atoms on the benzene ring; it can also nitrate with concentrated nitric acid and concentrated sulfuric acid mixed acids, and hydrogen atoms on the benzene ring are replaced by nitro groups.
Furthermore, the methyl part is not useless. Methyl groups can undergo free radical substitution reactions with halogen elements under light or high temperature conditions, and hydrogen atoms are gradually replaced by halogen atoms.
The furan ring also has unique reactivity. Although its aromaticity is slightly inferior to that of the benzene ring, some electrophilic substitution reactions can also occur, and the reaction check point is mostly at the α-position of the furan ring.
In summary, (2,6-dimethylbenzyl) -2-methylfuranal has various chemical properties due to its functional groups and structural characteristics, and has important uses in organic synthesis and other fields.
What is the price range of N- (2,6-dimethylphenyl) pyridine-2-formamide in the market?
There are 2,6-dimethylbenzyl-2-methylfuran on the market today, and its price range is difficult to determine. However, looking at the book "Tiangong Kaiwu", although the price of this product is not directly stated, there are also lessons to be learned from the price of various products.
The price of various things in the world often varies according to time, place, supply and demand. In the past, all kinds of products were produced in different regions, and their prices were very different. If this 2,6-dimethylbenzyl-2-methylfuran is used, the production of its raw materials, the difficulty of preparation, and the number of users are all related to its price.
If the raw materials are abundant and the method of preparation is simple, the price may be inexpensive around the production place, or it may be as low as tens of dollars per catty. However, if the raw materials are rare, and the production requires exquisite skills, and it is far away from the production place, and the users want everything, the price will be high, or to hundreds of dollars, or even thousands of dollars per catty.
Furthermore, changes in luck also affect its price. In a good year or because of the abundance of goods, the price becomes stable; in a bad year, everything is expensive, and this furan is no exception. In the state of the market, the price may drop due to competition, and the price of monopoly will rise easily. Therefore, the price of 2,6-dimethylbenzyl-2-methylfuran, or fluctuates between tens of dollars and thousands of gold per catty, it is difficult to give an exact number.