4 5 Dimethylthiazole
Quinoline Thiophene Imidazole Thiazole
4,5-Dimethylthiazole
Chemical Formula C5H7NS
Molar Mass 113.18 g/mol
Physical State Liquid (at standard conditions)
Boiling Point Approximately 172 - 174 °C
Solubility In Water Poorly soluble in water
Solubility In Organic Solvents Soluble in many organic solvents like ethanol, diethyl ether
Odor Typical thiazole - like, pungent odor
Appearance Clear to slightly yellowish liquid
FAQ

What are the main uses of 4,5-dimethylthiazole?

4,5-Dimethylpyrimidine is an organic compound, which is widely used in many fields such as medicine, pesticides and materials.

In the field of medicine, it is a key drug synthesis intermediate. The synthesis of many antibacterial and antiviral drugs is based on it. For example, some new antimalarial drugs contain 4,5-dimethylpyrimidine fragments in their molecular structures. By virtue of the interaction of this structure with specific targets of the malaria parasite, it inhibits the growth and reproduction of the malaria parasite, thus achieving the effect of treating malaria. For example, in the development of some anti-tumor drugs, the structural unit of 4,5-dimethylpyrimidine can be reasonably modified to enhance the targeting and inhibitory activity of the drug on tumor cells.

In the field of pesticides, 4,5-dimethylpyrimidine also plays an important role. It is often used as a raw material for the creation of many high-efficiency insecticides and fungicides. Some insecticides containing 4,5-dimethylpyrimidine structure can specifically act on the nervous system or physiological metabolic pathways of pests, causing the nervous system disorder or physiological dysfunction of pests, which can lead to death. It has a significant effect on the control of crop pests. In terms of fungicides, it can interfere with the growth and reproduction of pathogenic bacteria, prevent and control the occurrence and spread of agricultural diseases, and ensure the yield and quality of crops.

In the field of materials science, 4,5-dimethylpyrimidine can participate in the preparation of functional materials. In the synthesis of organic optoelectronic materials, the introduction of 4,5-dimethylpyrimidine structure can adjust the electronic structure and optical properties of the materials, improve the luminous efficiency and stability of the materials, and provide assistance for the development of optoelectronic devices such as organic Light Emitting Diode (OLED). In addition, in the synthesis of some polymer materials, 4,5-dimethylpyrimidine can be used as a cross-linking agent or functional monomer to endow polymer materials with special properties, such as improving the mechanical properties and thermal stability of the materials.

What are the physical properties of 4,5-dimethylthiazole?

4,5-Dimethylpyrimidine, is a kind of organic compound. Its physical properties are as follows:
Viewed at room temperature, it is a colorless to light yellow crystalline solid, stable in shape, clean in appearance, or slightly shiny under specific light, just like jade. Its melting point is about 30-32 ° C, like thin ice that quietly melts in the warm spring sun. When the ambient temperature rises to this range, it gradually melts from the solid state to the liquid state. The boiling point is about 211-212 ° C. If cooked over heat, it will turn into a gaseous state and rise at this high temperature.
Smell it, it has a weak and special smell, not pungent, but unique, like the fragrance of medicine hidden in the depths of ancient medicine cabinets, unobtrusive but can attract people to explore.
When it comes to solubility, it can be soluble in organic solvents such as ethanol and ether, just like a wanderer merging into a community in a foreign country, it can dissolve with these organic solvents to form a uniform mixing system. However, the solubility in water is very small, just like oil and water are difficult to blend, it can only be dispersed in a small amount in water, and it is difficult to completely mix. This characteristic is due to the difference between its molecular structure and that of water, resulting in a weak interaction between the two.
In addition, 4,5-dimethylpyrimidine has a moderate density and is heavier than air. If placed in an open space, it is not easy to drift away easily. It is like a calm person, down-to-earth and not floating in the void. Its stability is good. Under normal environmental conditions, it can maintain its own structure and properties unchanged, just like ancient books that have been precipitated over the years, carrying specific connotations and not damaged for a long time. However, when exposed to extreme conditions such as high temperature and strong oxidants, its structure may change and chemical reactions occur, just like a weak body that cannot withstand the ravages of the storm.

What are the chemical properties of 4,5-dimethylthiazole?

4,5-Dimethylimidazole is an organic compound, its shape is mostly white to light brown crystalline powder, which has important uses in chemical industry, medicine, materials and other fields, and has many unique chemical properties.

First, it is weakly basic. In the molecular structure of 4,5-dimethylimidazole, the nitrogen atom has no shared electron pair and can accept protons, so it is weakly basic. In chemical reactions, it can neutralize with acids to form corresponding salts. This property makes it useful as a basic catalyst in some catalytic reactions to catalyze the reaction process. For example, in specific organic synthesis reactions, it can adjust the pH of the reaction system and promote the reaction to proceed efficiently in the desired direction.

Second, it has a certain nucleophilicity. Due to the lack of shared electron pairs on nitrogen atoms, 4,5-dimethylimidazole exhibits nucleophilicity, which can attack electrophilic reagents and participate in nucleophilic substitution, addition and other reactions. In the field of organic synthesis, this nucleophilicity is often used to construct new chemical bonds, such as nucleophilic substitution reactions with halogenated hydrocarbons to generate novel nitrogen-containing organic compounds, providing an effective path for the modification and expansion of organic molecular structures.

Third, it has good thermal stability. In the moderate temperature range, 4,5-dimethylimidazole can maintain its own structural stability and is not easy to decompose. This thermal stability allows it to be used as a stable reaction component or additive during reactions in high temperature environments or material processing. For example, in the preparation of some polymer materials, adding an appropriate amount of 4,5-dimethylimidazole can improve the thermal stability and mechanical properties of the material.

Fourth, coordination reactions can occur. The nitrogen atom of 4,5-dimethylimidazole can form coordination bonds with metal ions to form metal complexes. Such metal complexes often have unique physical and chemical properties and have attracted much attention in catalysis, luminescent materials, magnetic materials and other fields. For example, some 4,5-dimethylimidazole metal complexes exhibit high activity and selectivity when catalyzing organic reactions, providing a new opportunity for the development of green and efficient catalytic reactions.

What is the preparation method of 4,5-dimethylthiazole?

The method of preparing 4,5-dimethylpyrimidine is as follows:

First take the amount of raw material and follow a specific reverse step. It is possible to take the compound containing methyl and make it co-reactive. For example, the active methyl group is used, and the precursor phase of pyrimidine is used. This requires attention to the use of anti-reactive components, such as temperature, force and catalysis.

The control of temperature is important. If the temperature is high, the reaction may be too strong, resulting in the formation of unnecessary by-products. If the temperature is low, the reaction rate will be slow and it will take a long time. Usually, the reaction rate can be maintained at a certain temperature, such as XX to XX degrees Celsius. < Br >
In terms of reaction force, it depends on the characteristics and reaction type of the reaction. The reaction can be used under normal conditions, or a certain amount of pressure needs to be applied to promote the reaction.

The use of catalysis is also effective, and different catalysts can have a significant impact on the reaction rate and resistance. The combined catalysis can effectively reduce the activation energy of the reaction, making the reaction easier to generate.

In the reaction process, the degree of reaction needs to be closely monitored, and analysis methods such as thin chromatography and liquid phase chromatography can be used to know the consumption of the reaction and the generation of the reaction. After the reaction is completed, a series of steps, such as extraction, steaming, recrystallization, etc., are taken to obtain 4,5-dimethylpyrimidine with high purity. Extraction, extraction and dissolution are appropriate, so that the target can be effectively transferred to the existing phase. Steaming is based on the difference between the mixture and the boiling temperature of the mixture, and the total amount of 4,5-dimethylpyrimidine can be separated. The recrystallization can be extracted in one step to remove the remaining waste, so that the most waste can meet the required temperature.

What is the price range of 4,5-dimethylthiazole in the market?

The price range of 4,5-dimethylpyrimidine in the market is difficult to determine. The price of dimethylpyrimidine is often changed due to many factors, such as supply and demand, quality, purchase quantity, manufacturing costs, and even market competition.

If there is a strong demand for this product in the market and the supply is relatively scarce, the price may rise; on the contrary, if the supply is abundant, the demand is weak, and the price may decline. Furthermore, those with good quality will have a higher price than ordinary ones. When purchasing in large quantities, the seller may give a discount due to the scale effect, resulting in a lower unit price. Manufacturing costs, such as fluctuations in raw material prices and the complexity of production processes, are also key factors in pricing. If the price of raw materials increases, or the production process is complicated, the cost increases, and the selling price will also increase.

According to past market conditions and the price trend of similar compounds, the price of 4,5-dimethylpyrimidine per gram may be between a few and tens of yuan. However, this is only a rough estimate, and due to the rapid changes in the market, it is difficult to accurately determine its price range. To know the exact price, you must consult the relevant chemical product suppliers, distributors, or explore real-time quotations on the chemical product trading platform to get a more accurate price.