3,3',5,5'-tetrabromo-2,2'-bithiophene

3% 2C3% 27% 2C5% 2C5% 27 - tetrabromo - 2% 2C2% 27 - bipyridine, which is used in many important fields.
In the field of materials science, it can serve as a key intermediate in organic synthesis. With its unique chemical structure, it can participate in a variety of chemical reactions and help build various functional materials. For example, in the preparation of high-performance luminescent materials, compounds with special luminescent properties can be synthesized from this raw material, which can be used in devices such as organic Light Emitting Diode (OLED) to make the color of the display screen more brilliant and better brightness.
In the field of coordination chemistry, this substance is often used as a ligand. Because the nitrogen atom in its molecular structure has lone pair electrons, it can coordinate with many metal ions to form rich complexes. These complexes have a wide range of uses in the field of catalysis, such as acting as high-efficiency catalysts in some organic reactions, which can significantly improve the reaction rate and selectivity, reduce the severity of reaction conditions, and save costs and energy for chemical production.
In the field of electrochemistry, 3% 2C3% 27% 2C5% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine also exhibits unique properties. It can be applied to the research and development of battery materials. By regulating the electrode process, it helps to improve the charging and discharging performance of batteries, cycle stability and other key indicators, and provides assistance for the creation of new high-performance batteries.
In summary, 3% 2C3% 27% 2C5% 2C5% 27 - tetrabromo - 2% 2C2% 27 - bipyridine occupies an important position in many fields such as materials, catalysis and electrochemistry, and is of great significance to promote technological progress and innovation in related fields.

3% 2C3% 27% 2C5% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine, the synthesis method of this substance is particularly complicated, and it needs to follow specific steps according to the principles of organic synthesis.
To synthesize this substance, pyridine is often used as the starting material. Pyridine is one of the organic compounds with unique chemical properties. First, a suitable halogenated reagent, such as bromine, is reacted with pyridine to introduce bromine atoms. However, this reaction needs to be carried out under specific reaction conditions, such as suitable temperature, pressure and catalyst participation. The temperature is related to the reaction rate and product selectivity; the regulation of pressure also affects the reaction process. The catalyst can change the rate of the chemical reaction. In this reaction, or a metal catalyst can be used to promote the combination of bromine atoms and pyridine with its special activity checking point.
After the pyridine is halogenated to obtain bromine-containing pyridine derivatives, it is necessary to further connect two bromine-containing pyridine derivatives through a coupling reaction to form 3% 2C3% 27% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine. There are many ways of coupling reaction, and the common ones are palladium-catalyzed coupling reactions. Palladium catalysts are well-known in organic synthesis and can effectively promote the formation of carbon-carbon bonds. In the reaction system, the palladium catalyst and the reactant form a specific intermediate, and through a series of electron transfer and chemical bond recombination, the coupling of two pyridine derivatives is achieved.
During the synthesis process, each step needs to be carefully controlled. The monitoring of the reaction process is indispensable. Analytical methods such as thin layer chromatography and nuclear magnetic resonance spectroscopy can be used to clarify the degree of reaction and confirm the structure of the product. And the treatment after the reaction should not be underestimated. It needs to be separated and purified to obtain a pure 3% 2C3% 27% 2C5% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine product. The method of separation, or column chromatography, separates the product from the impurities by the different forces of the stationary phase and the mobile phase; when purifying, or by recrystallization, the product is purified by the difference in solubility of the substance. In this way, the target compound can be obtained.

3% 2C3% 27% 2C5% 2C5% 27 - tetrabromo - 2% 2C2% 27 - bipyridine This compound is a unique compound in organic chemistry. Its physical and chemical properties are quite characteristic.
When it comes to physical properties, it is often in a solid state at room temperature. Looking at its appearance, or a white to light yellow powdery substance, it has a certain crystallinity. Its melting point and boiling point are determined by factors such as intermolecular forces. Due to the characteristics of the molecular structure, there are van der Waals forces and other weak interactions between molecules, resulting in a specific melting point in a specific range, about [X] ° C. This temperature allows the molecule to obtain enough energy to overcome the lattice energy and change from a solid state to a liquid state. The boiling point is higher, and more energy is required to overcome the attractive force between molecules, causing it to change from liquid to gaseous.
In terms of solubility, it has a certain solubility in common organic solvents, such as ethanol, dichloromethane, etc. This is because the compound molecule and the organic solvent molecule can form intermolecular forces, such as hydrogen bonds, van der Waals forces, etc., so that it can be dispersed in the solvent. However, in water, due to the difference between molecular polarity and water, the solubility is poor.
Chemically, its bromine atom is active. Bromine atom has a high electron cloud density and is prone to nucleophilic substitution reactions. It can react with nucleophilic reagents, such as compounds containing nucleophilic groups such as nitrogen and oxygen, and the bromine atom is replaced by nucleophilic reagents to form new compounds. Its bipyridine structure also has characteristics. The pyridine ring is aromatic and can participate in electron cloud delocalization, so that the compound can participate in various redox reactions. Under appropriate conditions, the pyridine ring can be oxidized or reduced, thereby changing the electronic structure and chemical activity of the compound. In addition, the compound can be used as a ligand to coordinate with metal ions by means of lone pairs of electrons on the nitrogen atom. This metal complex has potential applications in catalysis, materials science and other fields.

I look at your question, and I am inquiring about the price range of 3,3 ', 5,5' -tetrabromo-2,2 '-bipyridine in the market. The price of this chemical substance varies depending on the quality, quantity, and supply.
Under normal circumstances, if it is an analytical purity grade commonly used in laboratories, when the quantity is small, such as the price per gram, or around tens to hundreds of yuan. Due to the difficulty of preparation, the cost of raw materials is all affected by the price.
If the amount needs to be greatly increased, it reaches the kilogram level. Due to the effect of scale, the price per gram may be reduced to tens of yuan. However, there are also industrial-grade products in the market, the quality is slightly inferior, and the price may be cheaper, or only a few yuan per gram.
And the suppliers are different, and the price is also different. Well-known reagent giants have excellent quality control, and the price may be slightly higher; while emerging suppliers may expand the market, and the price may be slightly lower to attract customers.
In general, the price of this 3,3 ', 5,5' -tetrabromo-2,2 '-bipyridine can range from a few yuan per gram to as much as 100 yuan, depending on the specific situation.

3% 2C3% 27% 2C5% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine, the preparation of this material is mostly a well-researched chemical synthesis. In the field of chemistry in this world, the talents of many universities and scientific research institutes have invested in its synthesis.
Among the universities, the chemical teachers and students of Tsinghua and Peking University have been deeply involved in the study of organic synthesis, or have been involved in the preparation of this compound. Its laboratory equipment is excellent, and it is full of talents. With advanced concepts and technologies, it explores the wonders of substance synthesis.
In the research institutes, the chemistry-related institutes of the Chinese Academy of Sciences are also research pioneers. Its experts and scholars, with their profound academic heritage and rich practical experience, have extraordinary attainments in the synthesis of complex organic compounds. The preparation of 3% 2C3% 27% 2C5% 2C5% 27-tetrabromo-2% 2C2% 27-bipyridine may be one of its research topics.
In addition, companies at the forefront of the chemical industry, in order to seek product innovation and technological breakthroughs, also have R & D teams focusing on organic synthesis. For example, some fine chemical companies hope to expand product types, improve quality, and compete for opportunities in the market by synthesizing this compound. Chemical talents there may also be experts in the preparation of this compound.