2,6-dibromobenzo[d]thiazole

2% 2C6 -dibromonaphthalene [d] thiophene has a wide range of main uses. In the field of organic synthesis, it is often used as a key intermediate. With its unique chemical structure, it can derive many organic compounds with special properties and uses through various chemical reactions. These derivatives may exhibit excellent optoelectronic properties in the field of materials science, and then are used in the manufacture of organic Light Emitting Diode (OLED), organic solar cells and other optoelectronic devices.
In the field of pharmaceutical chemistry, 2% 2C6 -dibromonaphthalene [d] thiophene also has important value. Because its structure can interact with specific targets in organisms, new therapeutic drugs may be developed through structural modification and optimization, opening up new avenues for pharmaceutical research and development.
Furthermore, in terms of material surface modification, the compound can be bonded to the surface of the material by means of chemical reaction, endowing the material with unique chemical properties and functions, such as enhancing the stability of the material and improving its surface wettability.
In addition, in the preparation of functional polymer materials, 2% 2C6 -dibromonaphthalene [d] thiophene can be introduced into the polymer chain as a comonomer to regulate the properties of polymer materials and meet the needs of different application scenarios.
In summary, 2% 2C6 -dibromonaphthalene [d] thiophene, with its special structure, plays an indispensable role in many fields such as organic synthesis, drug research and development, materials science, etc., and promotes technological progress and innovation in related fields.

2% 2C6 -dibromonaphthalene [d] thiophene is a kind of organic compound. Its physical properties are worthy of detailed investigation.
Looking at its appearance, under room temperature and pressure, it often appears as a solid state, mostly white to light yellow powder or crystalline state. The formation of this color state is related to its molecular structure and electron cloud distribution. The introduction of bromine atoms in the molecule changes the electron cloud density, causing it to absorb and reflect light differently, so it shows this color state.
When it comes to the melting point, it has been experimentally determined that its melting point is within a certain range. This property is crucial for the identification and purification of this compound. Due to the different purity of this substance, the melting point is slightly different. Pure 2% 2C6-dibromonaphthalene [d] thiophene has a relatively stable melting point and can be an important basis for quality judgment.
The boiling point is also one of its important physical properties. Under specific pressure conditions, when it reaches the boiling point, it changes from liquid to gaseous state. The boiling point is affected by the intermolecular force. In this compound, the bromine atom enhances the intermolecular force, so the boiling point is relatively high.
In terms of solubility, 2% 2C6-dibromonaphthalene [d] thiophene has different solubility in common organic solvents. It has better solubility in non-polar organic solvents such as toluene and dichloromethane. This is due to the principle of "similarity and miscibility". Its molecular structure is non-polar and interacts strongly with non-polar solvents. However, in polar solvents such as water, the solubility is very small. Due to the large difference between the non-polar characteristics and the polarity of water, it is difficult to form effective forces between molecules.
In addition, the compound has a certain density. The density value reflects the mass of its unit volume, which is related to the way of molecular accumulation and the type of atoms. The relative atomic mass of bromine atoms is large, resulting in a slightly higher density than that of ordinary organic compounds.
In summary, the physical properties of 2% 2C6-dibromonaphthalene [d] thiophene, including appearance, melting point, boiling point, solubility and density, are closely related to its molecular structure, and are of great significance for its application and treatment in the fields of chemical research and material preparation.

2% 2C6 -dibromonaphthalene [d] thiophene, which is a class of organic compounds, has unique chemical properties and is worth studying.
In terms of structure, the parent nuclear structure of naphthalene thiophene, with the substitution of bromine atoms at specific positions, endows it with a different electron cloud distribution and spatial configuration. Bromine atoms are electronegative, and their introduction can significantly change the molecular polarity. Due to the strong ability of bromine atoms to attract electrons, the electron cloud is biased towards bromine atoms, which increases the molecular polarity. This polarity change has a great impact on its solubility, and it is better in polar solvents than before it is replaced.
In terms of reactivity, bromine atoms are good leaving groups. In the nucleophilic substitution reaction, when encountering suitable nucleophiles, bromine atoms are easily replaced by nucleophiles to form new derivatives. For example, when reacted with nitrogen-containing nucleophiles, such as amine compounds, nitrogen-containing heterocyclic derivatives can be formed, which is of great significance for the construction of complex structures in organic synthesis.
Photophysical properties also attract attention. Due to the heavy atom effect of bromine atoms, the electron transition process in molecules can be affected. In terms of fluorescence emission, either the fluorescence quantum yield is changed or the wavelength of fluorescence emission is shifted. This property has potential applications in the field of optoelectronic devices, such as organic Light Emitting Diodes (OLEDs), which can optimize the luminescence properties of materials by regulating the bromine atoms in the molecular structure.
In terms of thermal stability, bromine atoms introduce or enhance intermolecular forces. Bromine atoms can form weak interactions with some groups of neighboring molecules, such as halogen bonds, which can improve the compactness of molecular stacking and thus improve the thermal stability of compounds. In high temperature environments, it is more able to maintain structural stability than unsubstituted similar compounds, which is crucial for high temperature processing or application scenarios.

The preparation method of 2% 2C6-dibromonaphthalene [d] thiophene is as follows:
First take an appropriate amount of naphthalene [d] thiophene and place it in a clean reaction vessel. The naphthalene [d] thiophene needs to be refined in advance to remove impurities and maintain its purity. Repeat the appropriate amount of bromine into the reaction vessel slowly, and the process of dropwise addition should control its rate and maintain the reaction system in a low temperature environment. For example, cool it in an ice bath and keep the temperature constant between 0-5 ° C. This is because bromine is active, the reaction is easy to be violent, and the low temperature can be slowed down to avoid side reactions. < Br >
When the reaction is completed, it should be stirred continuously to allow the reactants to fully contact and promote the reaction. After the bromine is added dropwise, it is still necessary to continue stirring for a period of time to ensure the complete reaction. During this period, pay close attention to the reaction phenomena, such as color changes, whether there is gas escape, etc.
After the reaction is completed, pour the reaction mixture into an appropriate amount of ice water to precipitate. After that, filter to obtain the crude product. The crude product still contains impurities and needs to be recrystallized and refined with a suitable solvent. For example, organic solvents such as ethanol and acetone are used. After multiple recrystallization, pure 2% 2C6-dibromonaphthalene [d] thiophene can be obtained. < Br >
The entire preparation process requires high purity of raw materials, control of reaction conditions, and fineness of post-processing, so as to obtain high-quality products.

In today's market, the price of 2,6-dibromonaphthalene [d] thiophene often varies due to quality, supply and demand. If its quality is high and the market needs it, the price is high; if the quality is normal and the supply is more than the demand, the price is low.
Generally speaking, its price is between tens and hundreds of gold per gram. Those with high quality and high purity can reach two or three hundred gold per gram, or even higher. This is because of high purity, difficult preparation, complicated process, and high cost, so the price is high.
If the purity is slightly lower, it is only suitable for general use, and the price per gram may be in the tens of gold. Although the purity of this kind is not extreme, it can be used in ordinary experiments and some industrial processes, so the price is relatively easy.
There are also price fluctuations due to changes in market supply and demand. If there is a large increase in demand for a while, and production is not enough to supply, the price will also rise; if there is excess capacity and there are few demands, the price may be lower.
In summary, the market price of 2,6-dibromonaphthalene and [d] thiophene is about tens of gold to hundreds of gold per gram, but the actual price should be subject to market conditions and quality.