4 Butyl 4 Ethoxy 2 3 Difluoro 1 1 Biphenyl
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
4'-Butyl-4-ethoxy-2,3-difluoro-1,1'-biphenyl
Chemical Formula C18H18F2O
Molecular Weight 288.33
Appearance Solid (usually)
Physical State At Room Temperature Solid
Boiling Point Data needed
Melting Point Data needed
Solubility In Water Low (organic compound, likely sparingly soluble)
Solubility In Organic Solvents Good solubility in common organic solvents like ethanol, toluene
Density Data needed
Flash Point Data needed
Vapor Pressure Low (due to solid state at room temperature)
Refractive Index Data needed
Chemical Formula C18H20F2O
Molecular Weight 292.35
Appearance Solid (usually)
Physical State At Room Temperature Solid
Boiling Point Data may vary depending on purity, typically high due to large molecular structure
Melting Point Specific value would require experimental determination
Solubility In Water Low (organic compound, non - polar nature)
Solubility In Organic Solvents Good solubility in common organic solvents like toluene, dichloromethane
Density Value would need experimental measurement
Vapor Pressure Low at room temperature due to its solid state
Chemical Formula C18H20F2O
Molecular Weight 292.35
Appearance Solid (usually white or off - white)
Boiling Point Estimated based on similar compounds, around 350 - 380°C
Melting Point Data may vary, but typically in the range of 50 - 70°C
Density Approx. 1.1 - 1.2 g/cm³
Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, toluene
Solubility In Water Insoluble in water
Flash Point Estimated around 150 - 170°C
Refractive Index Data depends on purity, but around 1.5 - 1.55
Chemical Formula C18H18F2O
Molecular Weight 290.33
Appearance Solid (predicted)
Boiling Point Predicted value, around 350 - 380 °C under normal pressure
Melting Point Predicted in a certain range, likely around 60 - 80 °C
Density Predicted value, around 1.1 - 1.2 g/cm³
Solubility In Water Low solubility, likely less than 1 g/L
Solubility In Organic Solvents Soluble in common organic solvents like toluene, dichloromethane
Vapor Pressure Low vapor pressure at room temperature
Flash Point Predicted, around 150 - 180 °C
FAQ

What are the main uses of 4 '-butyl-4-ethoxy-2,3-difluoro-1,1' -biphenyl?

4% 27-Amino-4-ethoxy-2,3-diene-1,1% 27-binaphthalene The main use of this compound is its unique efficacy in the field of asymmetric catalysis.

In the field of organic synthesis, with its special chiral structure, it can be used as a chiral ligand to complex with metal catalysts, thereby catalyzing many asymmetric reactions. For example, in an asymmetric hydrogenation reaction, the chiral catalyst formed by the substance can selectively hydrogenate substrates containing unsaturated bonds such as carbon-carbon double bonds and carbon-oxygen double bonds, and selectively generate specific configurations of high stereolithic chiral products. These chiral products are crucial in drug synthesis, such as some drugs for the treatment of cardiovascular diseases and neurological diseases. Through such asymmetric hydrogenation reactions, key chiral intermediates are prepared, which greatly enhances the activity and efficacy of the drug, while reducing side effects.

In the asymmetric cyclization reaction, a chiral catalyst based on 4% 27-amino-4-ethoxy-2,3-diene-1,1% 27-binaphthalene can promote the cyclization of chain-like substrates to generate optically active cyclic compounds. These cyclic chiral compounds are widely used in the total synthesis of natural products, providing an effective way to obtain natural products with complex structures and biological activities.

In addition, in the field of materials science, it can also be used to prepare chiral optical materials, because its chiral structure endows the material with unique optical properties, such as circular dichroism, etc. It has potential application value in optical sensors, nonlinear optical materials, etc. It can be used to construct optical sensors with recognition function for specific chiral molecules to achieve highly sensitive detection of chiral substances.

What are the physical properties of 4 '-butyl-4-ethoxy-2,3-difluoro-1,1' -biphenyl?

4-Amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene is also an organic compound. Its physical properties are particularly important, and it is related to its performance in various chemical processes and practical applications.

First of all, its appearance is often in a solid state, which is easy to store and operate. Its melting point is also a key property, but the exact value needs to be determined by precise experiments. The level of melting point is closely related to the intermolecular forces, such as hydrogen bonds, van der Waals forces, etc. The structure and interaction mode of molecules determine the energy required to destroy the lattice, which in turn affects the melting point. In terms of solubility, in organic solvents, such as common ethanol, dichloromethane, etc., it exhibits a certain solubility. This characteristic is derived from the polar groups and non-polar parts contained in its molecular structure. The polar amino group and ethoxy group can interact with the polar part of the organic solvent, while the non-polar naphthalene ring structure can also cooperate with the non-polar region of the organic solvent, so it can be dissolved in it. However, in water, its solubility is poor, due to the strong hydrogen bond between water molecules, which does not match the intermolecular force of the compound, making it difficult to disperse in water.

Furthermore, it has a certain optical activity. Due to the asymmetry of the molecular structure, there is a chiral center, which can rotate the polarized light and exhibit optical rotation. This optical activity is of great significance in the fields of asymmetric synthesis and medicinal chemistry, and can be used to prepare compounds with specific chirality to meet the needs of drug enantiomer selectivity.

And its stability is also worthy of attention. Under general conditions, it has certain chemical stability, but under extreme conditions such as strong acid, strong base or high temperature, the molecular structure may change. For example, amino groups can react with strong acids to form salts, and ethoxy groups may hydrolyze under the action of strong bases, which affects their chemical properties and structural integrity.

The physical properties of 4-amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene are of critical significance in many fields such as organic synthesis, materials science, and drug development, laying the foundation for related research and applications.

Is the chemical properties of 4 '-butyl-4-ethoxy-2,3-difluoro-1,1' -biphenyl stable?

4-Amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene This compound has certain chemical stability due to molecular structural characteristics. Its stability is mainly due to the following aspects:
First, the naphthalene ring structure itself has high stability. Naphthalene is formed by fusing two benzene rings. This conjugated system allows electrons to delocalize across the molecular plane, reducing the energy of the molecule and thus enhancing stability. 4-Amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene part of the binaphthalene, the two naphthalene rings are connected by specific positions, which further expands the conjugation system range, enhances the degree of electron delocalization, and makes the molecule more stable.
Secondly, the presence of amino (-NH2O) and ethoxy (-OCH ² CH) has a positive impact on molecular stability. The nitrogen atom in the amino group has a lone pair electron, which can conjugate with the naphthalene ring, making the electron cloud distribution more uniform and enhancing molecular stability. At the same time, amino groups can interact with surrounding molecules or solvents through hydrogen bonds, increasing intermolecular forces and improving overall stability. The oxygen atom in the ethoxy group also has lone pair electrons, which can be conjugated with the naphthalene ring, and the alkyl part of the ethoxy group has a electron induction effect, which helps to stabilize the charge distribution in the molecule, thereby enhancing the stability.
Furthermore, although the 2,3-diene structure contains double bonds and is relatively active, in this compound, the double bonds form a conjugated system with the naphthalene ring and other substituents. This conjugation effect disperses the electron cloud of the double bond, reduces the reactivity of the double bond, and improves the stability of the whole molecule.
In summary, 4-amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene has good chemical stability due to the conjugate structure of the naphthalene ring, the electronic effect of amino and ethoxy groups, and the conjugate stability of the diene structure.

What is the production process of 4 '-butyl-4-ethoxy-2,3-difluoro-1,1' -biphenyl?

The production process of 4% 27-mono-4-ethoxy-2,3-diene-1,1% 27-binaphthalene is an important matter related to chemical synthesis. Although the process of such specific organic compounds is not detailed in "Tiangong Kaiwu", the traditional process wisdom contained in it may be useful for reference.

Looking at the ancient creations, it follows the nature and the principles of heaven and earth. If you want to make this 4% 27-mono-4-ethoxy-2,3-diene-1,1% 27-binaphthalene, its chemical structure and properties should be explained first. In its molecular structure, the naphthalene group is connected, and it contains ethoxy group and unsaturated double bond. This structural characteristic determines its reactivity and synthesis path.

In the past, the synthesis process often started with natural raw materials. Or you can find a natural substance containing naphthalene, and after fine refining, you can obtain a pure naphthalene structure. Then, under suitable conditions, ethoxy is introduced. This step requires delicate control of the reaction temperature, pH and catalyst. If the temperature is too high, it may cause excessive reaction of ethoxy group to form by-products; if the temperature is too low, the reaction will be slow and the efficiency will be low.

Furthermore, to construct the 2,3-diene structure, you need to choose suitable reaction reagents and conditions. Or use a specific olefin reagent to precisely introduce the double bond into the molecule, and ensure that the position and configuration of the double bond are correct. This process also requires strict control of the reaction environment to prevent the disturbance of side reactions such as oxidation and hydrolysis.

In addition, the material and design of the reaction equipment are also key. In ancient methods, pottery and porcelain tools were used, but today they are mainly made of glass and metal materials. However, no matter what, the reaction characteristics need to be adapted to prevent corrosion and seal to promote the smooth reaction.

At the end of the synthesis, the product needs to be purified and refined. In ancient times, recrystallization and distillation were used, but now chromatography technology is supplemented to strive for the purity of the product. In summary, the process of making 4% 27-mono-4-ethoxy-2,3-diene-1,1% 27-binaphthalene requires the integration of ancient and modern wisdom and the fine control of all aspects in order to obtain ideal results.

What is the price range of 4 '-butyl-4-ethoxy-2,3-difluoro-1,1' -biphenyl in the market?

Today, there are 4-amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene, which is in the market, and its value range is difficult to determine. The price of these compounds often depends on various factors.

First, it is related to its purity. If the purity is extremely high and impurities are rare, it is suitable for fine scientific research experiments or high-end industrial processes, and the price will be high. If the purity is slightly lower, it can only be used for ordinary research or general industrial use, and the price will be slightly reduced.

Second, it depends on the market supply and demand. If there is a strong demand for this product in the current scientific research field, but the supply is tight, the so-called "rare is expensive", its price will rise. On the contrary, if the supply exceeds the demand, the merchant will sell its goods, and the price will also decline.

Third, the difficulty of preparation is also the key. If the synthesis of this 4-amino-4-ethoxy-2,3-diene-1,1 '-binaphthalene requires complicated steps, rare raw materials, and harsh reaction conditions, the preparation cost is high, and its price in the market will also be high.

Overall, without detailed market survey and specific quality information, it is difficult to determine its exact price range. However, if it is of ordinary purity and applied to general scientific research or industrial scenarios, the price per gram may be several hundred yuan; if it is of high purity, it is suitable for high-end scientific research, pharmaceutical research and development and other fields, and the price per gram may reach several thousand yuan or even higher.