What is the main use of 2- (trifluoromethyl) -9H-thioanthracene-9-one?

2-%28%E4%B8%89%E6%B0%9F%E7%94%B2%E5%9F%BA%29-9H-%E7%A1%AB%E6%9D%82%E8%92%BD-9-%E9%85%AE%E7%9A%84%E5%8D%B32 - (triethoxy) - 9H - phosphophenanthrene - 9 - ketone, this substance has important uses in many fields.

In the field of flame retardant materials, its contribution is outstanding. Due to the presence of phosphorus, oxygen and other flame retardant elements, it can effectively retard the combustion of materials by means of multiple mechanisms such as gas phase flame retardant and condensed phase flame retardant. In the gas phase, phosphorus-containing free radicals are generated by thermal decomposition, which can capture the active free radicals of the combustion chain reaction and interrupt the combustion process; in the condensed phase, polymetaphosphoric acid is heated to form a strong dehydrating agent, which promotes the dehydration and carbonization of the surface of the material and forms a carbon layer of heat insulation and oxygen insulation, achieving the purpose of flame retardancy. Taking polymer materials as an example, adding them can significantly improve the flame retardant properties of the material, making the material refractory and self-extinguishing in the event of a fire. It is widely used in plastics, fibers and other industries, such as electronic and electrical shells, building insulation materials, etc., which greatly enhances the fire safety of such materials.

In the field of polymer synthesis, it can be used as a reactive flame retardant monomer. By copolymerizing with other monomers, the flame retardant structure is introduced into the polymer backbone, giving the polymer material permanent flame retardancy. Because of the covalent bond connection, the flame retardant will not migrate and evaporate during use, so that the material maintains a good flame retardant effect for a long time. When preparing polyester, polyamide and other high molecules, an appropriate amount of this monomer is added, and the obtained polymer material not only has excellent flame retardancy, but also has no significant impact on mechanical properties and thermal stability. This broadens the application range of polymer materials and meets the needs of aerospace, automotive interiors and other fields that require strict material properties.

In the field of organic synthesis chemistry, it is an important intermediate for organic synthesis. With its unique molecular structure and reactivity, it can participate in many organic reactions and be used to construct complex organic compounds. For example, substitution reactions with nucleophiles, the introduction of specific functional groups, or the formation of new heterocyclic compounds through cyclization reactions provide an effective way for organic synthesis chemistry research and the creation of new organic compounds.

What are the physical properties of 2- (trifluoromethyl) -9H-thioanthracene-9-one?

2-% (triethyl) -9H-purine-9-ol. The properties of this substance are as follows:

Its shape is mostly white to off-white crystalline powder, which is quite stable at room temperature and pressure. Looking at its color, it is pure and white, if it contains some impurities, or it is off-white.

When it comes to solubility, its solubility in water is limited, but it can show some solubility in some organic solvents, such as ethanol and dichloromethane. This property is related to the groups contained in its molecular structure. There are both hydrophobic groups in the molecule and parts that can interact with specific organic solvents.

In terms of melting point, it is around [specific melting point value], which is an important physical constant for identifying this substance. The determination of the melting point requires professional instruments, and the operation process must be standardized in order to obtain accurate values.

In terms of density, after accurate measurement, its density is about [specific density value]. The determination of density is of great significance for considering the distribution and behavior of the substance in different media.

The refractive index of the substance also has a specific value, which is about [specific refractive index value]. The refractive index reflects the characteristic change of light propagating in the substance, which can be used for purity detection and qualitative analysis.

In terms of stability, it can exist stably at room temperature and pressure, but it can be changed in extreme chemical environments such as strong oxidants, strong acids, and strong bases, or chemical reactions occur, resulting in changes in its structure and properties. The high temperature environment may also pose a challenge to its stability, or cause reactions such as decomposition. When storing, it should be placed in a cool, dry and well-ventilated place away from the above-mentioned chemical substances that may react with it to ensure its quality and properties are stable.

Are the chemical properties of 2- (trifluoromethyl) -9H-thioanthracene-9-one stable?

2-%28%E4%B8%89%E6%B0%9F%E7%94%B2%E5%9F%BA%29-9H-%E7%A1%AB%E6%9D%82%E8%92%BD-9-%E9%85%AE%E7%9A%84%E5%8C%96%E5%AD%A6%E6%80%A7%E8%B4%A8%E7%A8%B3%E5%AE%9A%E5%90%97%3F

The full name of this substance is long and the structure is relatively complex. Usually, the chemical stability of this kind of substance needs to be considered from many aspects. From the perspective of its molecular structure, the part of the phosphophenanthrene structure of 2- (triethylmethyl) -9H -phosphophenanthrene-9 -one is endowed with certain unique properties due to the existence of phosphorus atoms. The outer electronic structure of phosphorus atoms makes them exhibit various valence state changes in chemical reactions, which has a potential impact on the overall molecular stability.

In the environment of common organic reactions, if there are electrophilic reagents, some parts of the substance may be vulnerable to electrophilic attack due to the distribution characteristics of electron clouds. However, its peripheral substituents, such as triethyl methyl, will have a steric hindrance effect on the reactivity. Triethyl methyl is large in size, which can block the electrophilic reagent from approaching the core reaction site to a certain extent, thereby improving the stability of the substance.

From the perspective of chemical bonds, the carbon-carbon bonds, carbon-phosphorus bonds, etc. in the molecule have different bond energies. The carbon-carbon bonds are relatively stable, while the carbon-phosphorus bonds have certain strength, but under specific conditions, such as high temperature and strong acid-base environment, they may break. Once the carbon-phosphorus bond breaks, the molecular structure changes, and the stability of chemical properties is affected.

In general, the chemical properties of 2 - (triethylmethyl) -9H - phosphorene-9 - ketone are relatively stable under conventional mild conditions due to steric hindrance and partial chemical bond stability; but in extreme conditions, such as high temperature, strong acid-base, strong redox environment, its chemical stability will face challenges and molecular structure may change.

What are the synthesis methods of 2- (trifluoromethyl) -9H-thioanthracene-9-one?

To prepare 2- (trifluoromethyl) -9H -purine-9 -carboxylic acid, the following ancient method can be used.

First, purine is used as the starting material. First, the purine is met with a trifluoromethylation reagent, which can be a trifluoromethyl halide, such as trifluoromethyl iodine. In a suitable solvent, such as dichloromethane, followed by a suitable base, such as potassium carbonate, heated to a moderate level to allow it to react. The base can help the reagent release trifluoromethyl negative ions, which are then combined with specific positions of purines to form a purine derivative containing trifluoromethyl. Subsequently, the derivative is carboxylated. Carbon dioxide can be used as the source of carboxyl groups. Under the catalysis of organometallic reagents, such as magnesium reagents, in an anhydrous environment, carbon dioxide can be combined with derivatives to obtain 2- (trifluoromethyl) -9H -purine-9 -carboxylic acid.

Second, start with the appropriate substituted aromatic hydrocarbon. First, a specific substituent is introduced on the aromatic hydrocarbon to make it related to the structure of the purine. Then, the purine ring system is constructed through a multi-step reaction. This process may involve reactions such as nucleophilic substitution and cyclization. When the purine ring system is initially formed, trifluoromethyl is introduced. Trifluoromethyl can be introduced into the specific position of purines by means of a reagent containing trifluoromethyl through nucleophilic substitution or free radical reaction. Finally, the carboxyl group is added at the 9 position through oxidation or other suitable reactions to obtain the target product.

Third, biosynthesis can also be considered. Find suitable microorganisms or enzymes, make them in a suitable environment, use specific substrates as raw materials, and use the metabolic pathway in the organism to catalyze the production of the target product through enzymes. However, this method requires fine regulation of reaction conditions, such as temperature, pH, substrate concentration, etc., to promote the efficient and specific synthesis of 2- (trifluoromethyl) -9H-purine-9-carboxylic acid by the biological system.

What is the price range of 2- (trifluoromethyl) -9H-thioanthracene-9-one in the market?

Today there are 2- (triethyl) -9H-purine-9-ketone, what is the market price?

The price of this 2- (triethyl) -9H-purine-9-ketone is organic chemistry. Its market price is difficult to generalize, and it depends on many factors.

First, the purity has the greatest impact. If the purity is extremely high, it is almost flawless, and it can be used for high-end purposes such as scientific research, its price is high. If it reaches more than 99% of high purity, the price per gram may be hundreds of yuan, or even higher. If the purity is slightly lower, it is only suitable for general experimental or industrial primary applications, and the price is relatively easy, or tens of yuan per gram.

Second, the state of market supply and demand is also the key. If for a while, many pharmaceutical companies and scientific research institutions compete to buy this product, and the demand exceeds the supply, the price will rise. On the contrary, if the supply is full and the demand is weak, the price will fall.

Third, the difficulty of production and the cost also affect the price. If the preparation method is complicated, requires multiple processes, consumes many expensive reagents and special equipment, and the cost increases greatly, the price is also expensive.

Fourth, the difference in region also affects. Prosperous city, business is prosperous, material circulation is convenient, or due to competition, the price may tend to be reasonable. However, in remote places, transportation is difficult, and the cost increases, so the price may be slightly higher.

Therefore, if you want to know the exact market price of 2- (triethyl) -9H-purine-9-one, you must carefully check the specific purity, supply and demand, and consult various chemical suppliers to obtain a more accurate number.