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What is the chemical structure of 1-methyl-1H-imidazole-5-carboxylate?
1 - methyl - 1H - imidazole - 5 - carboxylate is a kind of organic compound. Its chemical structure can be derived from the imidazole ring. The core structure of this compound is an imidazole ring, which has a unique five-membered heterocyclic structure. There are two nitrogen atoms in the ring, and the two are in an interposition relationship.
At the first position of the imidazole ring, a methyl group is connected, which is composed of one carbon atom and three hydrogen atoms, and is connected to the nitrogen atom at the first position of the imidazole ring in the form of a single bond. At the fifth position of the imidazole ring, a carboxylate structure formed by the substitution of the hydroxyl group in the carboxyl group with other groups is connected. This carboxylate structure endows the compound with specific chemical properties and reactivity.
Overall, the chemical structure of 1-methyl-1H-imidazole-5-carboxylate makes it aromatic and alkaline due to the existence of imidazole ring; the introduction of methyl changes the electron cloud distribution and steric hindrance of the molecule; the carboxylate part affects the solubility, acidity and alkalinity of the compound and the reaction characteristics with other substances. Such a structure makes this compound potentially valuable in the fields of organic synthesis, pharmaceutical chemistry, etc. It can be used as an intermediate to participate in various chemical reactions to prepare more complex and functional organic compounds.
What are the main uses of 1-methyl-1H-imidazole-5-carboxylate?
1 - methyl - 1H - imidazole - 5 - carboxylate (1 - methyl - 1H - imidazole - 5 - carboxylate) is useful in various fields.
In the field of medicine, it is often the key raw material for the creation of new drugs. Due to its unique chemical structure, it can interact with specific biological targets in the body. Or participate in the construction of molecular frameworks with specific pharmacological activities, helping to develop antibacterial, antiviral and even anti-tumor drugs. Physicians can use its delicate structure to explore more effective treatments for diseases.
In materials science, this compound has also attracted much attention. It can be used to prepare polymer materials with special properties. Because it can endow materials with properties such as excellent thermal stability and chemical stability. Craftsmen can develop new composite materials based on this, which can be used in aerospace, electronic equipment and other fields to meet the strict requirements of high-end technology for materials.
In the field of organic synthesis, 1-methyl-1H-imidazole-5-carboxylic acid esters are important intermediates. Chemists can use them to participate in various chemical reactions to construct more complex and unique organic molecules. Or through esterification, substitution and other reactions, a series of compounds with different functional groups can be derived, adding many new members to the treasure house of organic synthesis and expanding the boundaries of organic chemistry.
In summary, 1-methyl-1H-imidazole-5-carboxylate plays an indispensable role in many aspects of medicine, materials science, organic synthesis, etc. It is a widely used and crucial compound.
What are the physical properties of 1-methyl-1H-imidazole-5-carboxylate?
1 - methyl - 1H - imidazole - 5 - carboxylate is an organic compound. Its physical properties are quite critical and it is widely used in chemical industry, medicine and other fields. Its physical properties are described in detail below.
This compound is mostly solid under normal conditions, with a fine texture, just like the condensation of tiny particles, and feels solid and has a certain texture to touch.
Melting point is an important indicator to consider its stability and physical state transformation. After many experiments, the melting point of 1-methyl-1H-imidazole-5-carboxylate is within a specific range. Under this temperature, its structure is stable and exists safely in a solid state. Once the temperature rises to the melting point, it is like ice melting in water and gradually converts into a liquid state. The intermolecular force weakens and the arrangement also changes.
Solubility is also a key property. In water, its solubility is limited, just like a boat in a shallows, making it difficult to move forward. This is due to the weak interaction between some groups in the molecular structure and water molecules. However, in some organic solvents, such as ethanol, dichloromethane, etc., the solubility is significantly improved, just like fish get water, and it can be evenly dispersed. This is due to its better matching with the intermolecular forces of organic solvents, which can form a stable dispersion system.
Its density also has a specific value, which determines its position in the mixture. Compared with water, the density may be large or small. If it is larger than water, it will sink to the bottom when mixed with water, like a stone falling into the water; if it is smaller than water, it will float on the water surface, like a wood chip floating.
In terms of appearance, it is usually white or almost white, and the pure color is like the first snow in winter, giving people a sense of cleanliness. Under the light, there may be a faint luster, like a delicate satin reflecting a faint light, adding a bit of unique charm.
Odor, 1 - methyl - 1H - imidazole - 5 - carboxylate or with a slight special smell, not pungent, but can be quietly emitted in the air, like a light floral fragrance, inadvertently lingering on the tip of the nose, need to be close to sniff can be detected.
What are 1-methyl-1H-imidazole-5-carboxylate synthesis methods?
The synthesis method of 1-methyl-1H-imidazole-5-carboxylate (1-methyl-1H-imidazole-5-carboxylate) has been known for a long time, and there are many methods. Today, I will describe it in detail.
First, it can be obtained by esterification of 1-methyl-1H-imidazole-5-carboxylic acid and corresponding alcohol under acid catalysis. For this acid, sulfuric acid, p-toluenesulfonic acid and the like can be used. In the reaction system, the carboxylic acid and alcohol are mixed in an appropriate proportion, a little catalyst is added, and the reaction is heated and refluxed. After a few days, the reaction gradually becomes complete. After the reaction is completed, the catalyst is neutralized in alkali solution, and then purified by extraction, distillation, etc., a pure 1-methyl-1H-imidazole-5-carboxylic acid ester can be obtained.
Second, 1-methyl-1H-imidazole-5-formyl chloride can also be reacted with alcohol. First, 1-methyl-1H-imidazole-5-formyl chloride can be prepared, which can be obtained by the action of 1-methyl-1H-imidazole-5-carboxylic acid with chlorination reagents such as dichlorosulfoxide and tri-phosphorus chloride. Then the formyl chloride is slowly dropped into the alcohol-containing solution and reacted at low temperature. When the reaction is completed, the by-product is removed, and the target product can be obtained.
Third, using 1-methyl-1H-imidazole-5-nitrile as raw material, first hydrolyze to 1-methyl-1H-imidazole-5-carboxylic acid, and then according to the above esterification method, 1-methyl-1H-imidazole-5-carboxylic acid ester can be obtained. When hydrolyzing, an acid or base can be used as a catalyst, depending on the specific situation.
All kinds of synthesis methods have their own advantages and disadvantages, and they need to be selected according to the availability of raw materials, reaction conditions, product purity and many other factors in order to achieve the purpose of synthesis.
What is the price range of 1-methyl-1H-imidazole-5-carboxylate in the market?
1 - methyl - 1H - imidazole - 5 - carboxylate is an organic compound. Its price range on the market is difficult to determine. The price of the cover varies due to a variety of reasons.
First, the purity of the quality is complex, which has a lot to do with it. If its purity is extremely high and almost flawless, the price will be high; on the contrary, if it contains a little more impurities, the price will drop slightly. Second, the amount also has an impact. If you buy in bulk, the price per unit may be slightly reduced due to economies of scale; if you buy only a small amount for research or trial, the price may be higher. Third, the state of supply and demand is the key factor. There are many people in the market, but the supply is small, and the price will rise; if the supply exceeds the demand, the price will tend to fall.
Furthermore, the manufacturer of the product is also related to the price. A factory with a reputation and fine craftsmanship may have a high price; while a small factory without a name may have a low price, but its quality may be different. And changes in the market economy, the movement of material costs, and transportation costs can all cause fluctuations in its price. Therefore, if you want to know the price, you should consult the merchants, the brokers in the market, or the trading platforms of chemical products to get a near-real price.