Chemical Formula | C28H38F2O |
Molecular Weight | 428.6 g/mol |
Appearance | Typically a liquid in relevant applications |
Solubility | Soluble in common organic solvents like toluene, chloroform |
Vapor Pressure | Low, as it is often used in stable liquid crystal states |
Refractive Index | Characteristic of liquid crystal materials, value depends on orientation |
Polarity | Low to moderate due to non - polar hydrocarbon chains and some polar fluorine and ether groups |
Chemical Formula | C30H44F2O |
Molecular Weight | 458.67 |
Appearance | Typically a liquid or solid depending on conditions |
Boiling Point | Estimated high boiling point due to large molecular structure |
Melting Point | Specific value depends on purity and isomerism |
Density | Density value would be specific to the compound's state |
Solubility | Limited solubility in water, higher in organic solvents |
Vapor Pressure | Low vapor pressure as it's a relatively large molecule |
Refractive Index | Has a characteristic refractive index value |
Polarity | Moderate polarity due to ethoxy group and fluorine atoms |
Chemical Formula | C29H42F2O |
Molecular Weight | 444.64 |
Appearance | Typically a liquid crystal substance, appearance can vary but often clear or slightly colored liquid |
Boiling Point | Data may vary depending on purity and experimental conditions, generally in the range of relatively high temperatures due to large molecular structure |
Melting Point | Specific melting point values are characteristic of its liquid - crystal phase transitions, which are crucial for its applications in liquid - crystal displays |
Density | Density values are relevant for its physical handling and application, usually in a range typical for organic liquid - crystal compounds |
Refractive Index | Important property for its use in optical applications like LCDs, with values specific to the compound |
Polarity | Polarity affects its solubility and interaction with other substances, being a factor in its processing and application |
Stability | Stability under different conditions such as temperature, light, and humidity is important for its long - term use |
Solubility | Solubility in various organic solvents is a key property for its processing in manufacturing processes |
Chemical Formula | C28H38F2O |
Molecular Weight | 430.6 g/mol |
Appearance | Typically a liquid (due to its nature as a liquid crystal material) |
Melting Point | Varies depending on purity and polymorphic form, generally in the range relevant to liquid crystal phase transitions |
Solubility | Soluble in common organic solvents such as toluene, dichloromethane, etc. |
Refractive Index | Anisotropic, with values in the range typical for liquid crystal materials (e.g., around 1.5 - 1.7 depending on the direction of light polarization) |
Dielectric Anisotropy | Positive or negative value depending on the orientation of the molecule in the liquid crystal phase, relevant for applications in liquid crystal displays |
Phase Transition Temperatures | Exhibits phase transitions between solid, nematic, and isotropic liquid phases at specific temperatures |
What is the main application field of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) -cyclohexyl-benzene
1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) - cyclohexyl - benzene (1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) cyclohexyl] benzene) This material is the main application field, just like everything contained in Tiangong Kaiwu has its own uses, and it also has its own unique domain.
This compound has a wide range of uses in the display field. Among liquid crystal materials, its structural properties can regulate the arrangement of liquid crystal molecules and optical properties. For example, in the manufacture of liquid crystal displays (LCDs), with its special molecular configuration, liquid crystals can have suitable phase transition temperatures and dielectric anisotropy. In this way, LCDs can work stably in different temperature environments, and the image display is clearer and the response speed is faster. This is because of the structure of fluorine atoms and ethoxy groups in the molecules, which has a great impact on the force and arrangement of liquid crystal molecules.
Furthermore, in the field of materials science research, it is often used as a model compound. By exploring its physical and chemical properties, such as thermal stability and phase behavior, researchers can deeply understand the relationship between the structure and properties of complex organic compounds. Based on it, new materials with better performance can be designed and synthesized, laying the foundation for the development of material innovation. It is also of great significance in the field of organic synthetic chemistry. As a key intermediate, compounds with diverse structures can be derived through specific chemical reactions, expanding the path of organic synthesis, enriching the variety of compounds, and meeting the needs of special functional materials in different fields.
What are the physical properties of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) -cyclohexyl-benzene
1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) - cyclohexyl - benzene is an organic compound that is often found in the field of liquid crystal materials. Its physical properties are as follows:
1. ** Phase transition temperature **: This compound has typical liquid crystal properties, and the phase transition temperature is crucial. Liquid crystal materials exhibit different phases at different temperature ranges, such as nematic, smectic and isotropic liquid phases. The phase transition temperature defines the existence range of these phases and is of great significance for their application in specific environments. For example, in the application of display equipment, the phase transition temperature must be in line with the operating temperature range of the equipment to ensure that the liquid crystal molecules are arranged in an orderly manner to achieve clear image display.
2. ** Optical anisotropy **: The molecular structure of the compound is asymmetric, resulting in its optical properties being anisotropic. In different directions, there are differences in the refractive index of light. This property plays a key role in liquid crystal display technology. By controlling the orientation of liquid crystal molecules, the propagation and polarization state of light can be controlled to achieve the purpose of image display.
3. ** Dielectric anisotropy **: 1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) - cyclohexyl - benzene dielectric constant is also anisotropic. When an electric field is applied, liquid crystal molecules will adjust their orientation according to the direction of the electric field. Dielectric anisotropy determines the sensitivity and speed of the molecule in response to the electric field, and has a significant impact on the response time and contrast performance of liquid crystal display devices. Only when the dielectric anisotropy is suitable can the liquid crystal molecules complete the orientation change in a short time and achieve rapid image refresh.
4. ** Solubility **: Solubility in organic solvents is also an important physical property. Good solubility is convenient for the compound to be uniformly mixed with other ingredients during the preparation of liquid crystal materials, thereby regulating the overall properties of liquid crystal materials. For example, when preparing liquid crystal films by solution method, it is required to have appropriate solubility in specific organic solvents to ensure the quality and uniformity of film formation.
What are the chemical properties of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) -cyclohexyl-benzene
1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) - cyclohexyl - benzene is an organic compound. Its structure contains groups such as benzene ring, fluorine atom, ethoxy group and dicyclohexyl group. Its chemical properties are as follows:
Stability: Such structures usually have certain stability. The benzene ring is a conjugated system with aromatic properties, which can improve the stability of the compound. The cyclohexyl structure is relatively rigid, which can make the molecular configuration relatively stable. However, the introduction of fluorine atoms has a large electronegativity or affects the distribution of molecular electron clouds, resulting in slight changes in stability.
Solubility: According to the principle of similar miscibility, this compound contains more hydrophobic groups, such as benzene ring and cyclohexyl group, so it has poor solubility in polar solvents such as water, and better solubility in non-polar or weakly polar organic solvents, such as toluene and chloroform.
Reactivity: The presence of fluorine atoms, due to the high electronegativity of fluorine, will reduce the electron cloud density on the benzene ring and reduce the electrophilic substitution reaction activity of the benzene ring. However, under suitable conditions, nucleophilic substitution reactions can still occur, and fluorine atoms may be replaced by other nucleophiles. Oxygen atoms in ethoxy groups have lone pair electrons, or can participate in coordination and other reactions, showing certain reactivity. In addition, if there are suitable conditions on cyclohexyl groups, reactions such as oxidation and substitution may occur
In summary, 1 - ethoxy - 2,3 - difluoro - 4 - [trans - 4 - (trans - 4 - pentylcyclohexyl) - cyclohexyl - benzene due to its own structural characteristics, stability has a certain basis, solubility tends to non-polar solvents, reactivity due to the presence of fluorine atoms and ethoxy groups and unique performance, in the field of organic synthesis or have specific applications.
What is the production process of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) -cyclohexyl-benzene
The preparation process of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) cyclohexyl] benzene is a key technology in the field of fine chemical synthesis. This process requires delicate steps, strict conditions and precise control to achieve.
The selection of starting materials is of paramount importance. Usually benzene compounds with specific structures, fluorinated reagents, etherifying agents and cyclohexyl compounds with specific alkyl groups are selected as starting materials. The raw materials must be of high purity to ensure smooth reaction and product quality. At the beginning of the
reaction, the benzene ring is fluorinated. In a suitable reaction vessel, a benzene compound and a fluorine-containing reagent are added, which are often dissolved in a specific organic solvent. At the same time, a suitable catalyst, such as some metal salts or organic bases, is added. This reaction needs to be carried out at a specific temperature and pressure. Generally, the temperature is controlled in the low temperature range, such as - 20 ° C to 0 ° C, and the pressure is slightly higher than normal pressure. The fluorine atom then replaces the hydrogen atom at a specific position in the benzene ring in a precise position to form a 2,3-difluorobenzene derivative.
Then, the etherification reaction is carried out. The above product is mixed with an ethoxylation reagent, and the same is dispersed in an organic solvent. A base catalyst such as potassium The reaction temperature is raised to a moderate range, such as 50 ° C to 80 ° C, so that the ethoxy group can be successfully connected to the specific position of the benzene ring to form 1-ethoxy-2,3-difluorobenzene intermediate.
Furthermore, a structure containing pentyl cyclohexyl is constructed. Using trans-4-pentyl cyclohexyl compounds as raw materials, this complex cyclohexyl structure is connected to 1-ethoxy-2,3-difluorobenzene through coupling reactions and other means, with the assistance of catalysts such as palladium catalysts and ligands, at a suitable temperature and solvent system. This step requires strict reaction conditions, and the temperature, catalyst dosage and reaction time need to be precisely regulated.
After the reaction is completed, the product needs to go through multiple separation and purification steps. First, by extraction, the product is extracted from the reaction mixture with a suitable organic solvent. Then column chromatography is carried out, suitable silica gel and other fillers are selected, and a specific proportion of eluent is rinsed to remove impurities to obtain a pure 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentyl cyclohexyl) cyclohexyl] benzene product.
In this way, this target compound was obtained through delicate reaction design and rigorous operation procedures.
What is the market outlook for 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) -cyclohexyl-benzene?
1-Ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentylcyclohexyl) cyclohexyl] benzene, an organic compound, occupies an important place in the field of materials science, especially in the field of liquid crystal materials.
Looking at the current market prospects, the demand for liquid crystal materials is on the rise. With the rapid development of display technology, liquid crystal displays (LCDs) are widely used in various electronic devices, such as televisions, computer displays, mobile phone screens, etc. The unique molecular structure of 1-ethoxy-2,3-difluoro-4- [trans-4- (trans-4-pentyl cyclohexyl) cyclohexyl] benzene imparts excellent characteristics to liquid crystal materials, such as suitable phase transition temperature range, good fluidity and optical anisotropy, which can effectively improve LCD display performance, such as contrast, response speed and viewing angle, so the market demand is considerable.
Furthermore, the continuous progress of science and technology has put forward higher requirements for display technology, such as the pursuit of higher resolution, faster response speed and wider viewing angle. This compound may be structurally modified and optimized to meet the future development needs of display technology. It is expected to emerge in the research and development of new liquid crystal materials and become a key basic material. Its market potential should not be underestimated.
However, it should also be noted that the market competition may become fierce. With the rise in the popularity of the liquid crystal material market, many companies and scientific research institutions have invested in research and development and production. To stand out in the market, it is necessary to continuously strengthen technological innovation, improve product quality and performance, optimize production processes, and reduce costs, so as to gain an advantage in market competition and enjoy the benefits brought by the broad market prospects of this compound.