Pyrazine 2 3 Dicarboxylate
pyridine pyrrole pyrazine piperidine piperazine

pyrazine-2,3-dicarboxylate

    Specifications

    HS Code

    895707

    Chemical Formula C6H2N2O4
    Molar Mass 166.09 g/mol
    Appearance Solid
    Solubility In Water Slightly soluble
    Melting Point 252 - 254 °C
    Pka1 2.44
    Pka2 5.44
    Crystal Structure Orthorhombic
    Odor Odorless
    Density 1.61 g/cm³

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    Frequently Asked Questions

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    What is the main use of pyrazine-2,3-dicarboxylate?
    Pyrazine-2,3-dicarboxylate has a wide range of uses. In the field of medicine, it is often a key raw material for the creation of drugs. Due to its special chemical structure, it can interact with specific targets in the body, so it may be used to develop new drugs for the treatment of specific diseases, helping to relieve diseases and cure diseases.
    In the field of materials science, it also has outstanding performance. By participating in specific reactions, materials with unique properties can be prepared, or have excellent stability, conductivity, etc., and may emerge in electronic components, optical materials, etc., providing novel ways for material innovation.
    In chemical production, pyrazine-2,3-dicarboxylate is often used as a catalyst or auxiliary. With its own characteristics, it can speed up the reaction process, improve the reaction efficiency, make the chemical production more efficient and economical, help the optimization and upgrading of the industry, and promote the development and progress of the chemical field. In short, it has important value in many fields and plays a role that cannot be ignored.
    What are the physical properties of pyrazine-2,3-dicarboxylate?
    Pyrazine-2,3-dicarboxylate is one of the genera of organic compounds. Its physical properties are worth studying.
    Under normal temperature, it is mostly solid or crystalline, with a specific crystal structure. This can be an important basis for identification and separation. Its color is usually plain, or colorless and transparent, or white, with little brilliant color.
    As for the melting point, the melting point of pyrazine-2,3-dicarboxylate is higher due to intermolecular forces. Molecular carboxyl groups interact with pyrazine rings, and intermolecular hydrogen bonds are maintained to stabilize the lattice structure. To break this structure and cause it to melt, higher energy is required.
    In terms of solubility, the solubility of the substance in water varies. The presence of carboxyl groups makes it hydrophilic to a certain extent, but the hydrophobicity of pyrazine rings is also affected. If the carboxyl group forms a salt, the degree of ionization increases, and the solubility in water may be improved; if it is not completely salted, or the solubility is better in polar organic solvents, such as ethanol, acetone, etc. Due to the similar miscibility, the molecule and the solvent can form an appropriate interaction.
    Density is also one of its physical properties. Its density is often heavier than that of water, which is due to the close arrangement of atoms in the molecule. The atoms contained in the pyrazine ring and carboxyl group have a relatively large mass, and the molecular structure is compact, resulting in a high mass per unit volume.
    In addition, the hygroscopicity of pyrazine-2,3-dicarboxylate cannot be ignored. Carboxylate groups easily interact with water molecules, and in environments with high humidity, they may absorb water vapor, causing their state to change. When storing and using, pay attention to the control of environmental humidity.
    Is the chemical properties of pyrazine-2,3-dicarboxylate stable?
    Alas, pyrazine-2,3-dicarboxylate is also a chemical compound. As for the determination of its chemical properties, we will study the characteristics of its molecules and chemical properties. In this compound, pyrazine has a certain common system, which can increase its qualitative. However, its carboxyl group at the 2,3 position is due to its functional activity, or the modification of chemical properties.
    Carboxyl group, which is acidic, can be generated and reversed, which is the active side of it. If it is exposed to different chemical environments, such as different solubility, degree, pH value, etc., its chemical properties are also changed. In the acidic environment, the hydrolysis of the carboxyl group is inhibited, or it can affect the activity of the whole charge fraction of the molecule; while in the acidic environment, the carboxyl group is easily hydrolyzed, and it is in the form of the daughter of the molecular phase, which is easy to cause the reaction of gold particles, etc., and change its characterization.
    Furthermore, the co-action of pyrazine can make the daughter clouds of the molecule average and increase its characterization. However, if the oxidation or the original reaction is encountered, the common reaction is broken or broken, and the reaction is reversed, resulting in the change of the properties of the compound.

    Of course, the transformation of pyrazine-2,3-dicarboxylate is determined. No, it is not a word can be said, it is based on the interaction of multiple factors. Only by analyzing its anti-properties in the context of the transformation can we obtain its qualitative truth.
    What are the synthesis methods of pyrazine-2,3-dicarboxylate?
    To prepare pyrazine-2,3-dicarboxylate, there are various synthetic methods. First, pyrazine-2,3-dicarboxylate can be obtained by neutralizing pyrazine-2,3-dicarboxylate with alkali. Take an appropriate amount of pyrazine-2,3-dicarboxylic acid and place it in a clean container. Slowly add alkali solution, such as sodium hydroxide solution, and stir while adding it until the reaction solution reaches an appropriate pH. This process needs to be carefully controlled by temperature. Do not make the temperature fluctuate greatly, so as not to affect the purity of the product. After the reaction is completed, the solid product of pyrazine-2,3-dicarboxylate can be obtained through concentration, crystallization, filtration, drying and other steps.
    Second, the compound containing pyrazine structure is used as the starting material and prepared by multi-step reaction. For example, first carboxylation reaction of suitable pyrazine derivatives under specific conditions is carried out, and carboxyl groups are introduced. Suitable carboxylation reagents, such as carbon dioxide, can be selected to react under a suitable temperature and pressure environment under the action of a catalyst. After the successful introduction of carboxyl groups, it is reacted into salts, interacted with bases, and converted into pyrazine-2,3-dicarboxylate. Although this approach has many steps, it can be flexibly adjusted according to the characteristics and availability of starting materials, or better products can be obtained.
    Or it can be prepared by biosynthesis. Seek microorganisms that can synthesize pyrazine-2,3-dicarboxylate-related metabolic pathways. After screening, culturing and optimizing, regulate the microbial growth environment, such as temperature, pH, nutrients and other conditions, to promote their efficient synthesis of target products. This method is relatively green and environmentally friendly, but it needs to have in-depth understanding of the microbial metabolic mechanism, and the culture process is easily affected by factors such as bacterial contamination, which needs to be carefully controlled.
    In what fields is pyrazine-2,3-dicarboxylate used?
    Pyrazine-2,3-dicarboxylate is used in various fields.
    First, in the field of medicine, it can be a key raw material for drug synthesis. Due to its unique chemical structure, it can participate in the construction of many drug molecules and help develop drugs with specific pharmacological activities. For example, it can be used to create antibacterial and anti-inflammatory drugs, and its structure interacts with targets in vivo to achieve therapeutic effect.
    Second, in the field of materials science, pyrazine-2,3-dicarboxylate is also useful. It can be used to prepare functional materials, such as coordination with metal ions to form metal-organic framework (MOF) materials. Such materials have the characteristics of high specific surface area, regular pore structure, etc., and have potential applications in gas adsorption and separation, catalytic reactions, etc. For example, in gas storage, it can selectively adsorb specific gas molecules; in catalytic reactions, it provides activity check points to accelerate the reaction process.
    Furthermore, in agriculture, it can be used as a component of plant growth regulators. By regulating the physiological processes in plants, it affects the growth and development of plants, such as promoting seed germination and enhancing plant resistance, etc., to help increase agricultural production and income.
    In addition, in the field of analytical chemistry, due to its specific chemical properties, it can be used for the analysis and detection of certain substances. It can be used as a color developer or coordination agent to react specifically with target substances, and achieve qualitative and quantitative analysis of substances through color changes or other measurable signals.
    In summary, pyrazine-2,3-dicarboxylate has shown important application value in many fields such as medicine, materials, agriculture, analytical chemistry, etc., providing assistance for the development of various fields.