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3-Chloro-4-(3-Fluorobenzyloxy)Nitrobenzene
|
HS Code |
292115 |
| Chemical Formula | C13H9ClFNO3 |
| Molecular Weight | 283.67 |
| Appearance | Solid (usually) |
| Color | Typically white to off - white |
| Odor | May have a characteristic organic odor |
| Melting Point | Specific value would require experimental determination |
| Boiling Point | Specific value would require experimental determination |
| Solubility In Water | Low solubility in water |
| Solubility In Organic Solvents | Soluble in common organic solvents like dichloromethane, chloroform |
| Density | Specific value would require experimental determination |
| Stability | Stable under normal conditions, but may react with strong oxidizing or reducing agents |
As an accredited 3-Chloro-4-(3-Fluorobenzyloxy)Nitrobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1 kg of 3 - chloro - 4 - (3 - fluorobenzyloxy)nitrobenzene in sealed chemical - grade packaging. |
| Storage | 3 - chloro - 4 - (3 - fluorobenzyloxy)nitrobenzene should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in a tightly closed container to prevent exposure to air and moisture, which could potentially lead to degradation. Avoid storing near incompatible substances. |
| Shipping | 3 - chloro - 4 - (3 - fluorobenzyloxy)nitrobenzene is shipped in sealed, corrosion - resistant containers. It's transported under proper regulatory guidelines to ensure safe handling due to its chemical nature. |
Competitive 3-Chloro-4-(3-Fluorobenzyloxy)Nitrobenzene prices that fit your budget—flexible terms and customized quotes for every order.
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What are the chemical properties of 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene
3-Chloro-4- (3-fluorobenzoxy) nitrobenzene is one of the organic compounds. Its chemical properties are quite rich, and they are described as follows:
According to the characteristics of its substituents, the chlorine atom has a certain electronegativity, which can change the density distribution of the electron cloud of the benzene ring. In the nucleophilic substitution reaction, the chlorine atom can be attacked by the nucleophilic reagent, and it can be used as a leaving group, so a new carbon-nucleophilic reagent bond is formed. And because of its electronegativity, or affecting the electron cloud density of the benzene ring adjacent and para-position, the activity of this position in the electrophilic substitution reaction is different from that in the normal. In the
3 -fluorobenzoxy group, the fluorine atom has strong electronegativity, which can absorb electrons by inducing effects and affect the electron cloud density where the benzoxy group is connected to the benzene ring. The oxygen atom of the benzoxy group has lone pairs of electrons, which can conjugate with the benzene ring, cause electron cloud delocalization, or affect the reactivity and stability of the compound.
Nitro is a strong electron-absorbing group, which can greatly reduce the electron cloud density of the benzene ring and reduce the activity of the electrophilic substitution reaction of the benzene ring. However, under certain conditions, the nitro group can be reduced, and if treated with an appropriate reducing agent, it can be converted into an amino group. This reaction is quite commonly used in the preparation of
3-chloro-4- (3-fluorobenzyloxy) nitrobenzene interacts with each substituent, or exhibits unique chemical properties. It can be used as a key intermediate in the field of organic synthesis, and various reactions can be used to construct multiple complex organic molecular structures.
According to the characteristics of its substituents, the chlorine atom has a certain electronegativity, which can change the density distribution of the electron cloud of the benzene ring. In the nucleophilic substitution reaction, the chlorine atom can be attacked by the nucleophilic reagent, and it can be used as a leaving group, so a new carbon-nucleophilic reagent bond is formed. And because of its electronegativity, or affecting the electron cloud density of the benzene ring adjacent and para-position, the activity of this position in the electrophilic substitution reaction is different from that in the normal. In the
3 -fluorobenzoxy group, the fluorine atom has strong electronegativity, which can absorb electrons by inducing effects and affect the electron cloud density where the benzoxy group is connected to the benzene ring. The oxygen atom of the benzoxy group has lone pairs of electrons, which can conjugate with the benzene ring, cause electron cloud delocalization, or affect the reactivity and stability of the compound.
Nitro is a strong electron-absorbing group, which can greatly reduce the electron cloud density of the benzene ring and reduce the activity of the electrophilic substitution reaction of the benzene ring. However, under certain conditions, the nitro group can be reduced, and if treated with an appropriate reducing agent, it can be converted into an amino group. This reaction is quite commonly used in the preparation of
3-chloro-4- (3-fluorobenzyloxy) nitrobenzene interacts with each substituent, or exhibits unique chemical properties. It can be used as a key intermediate in the field of organic synthesis, and various reactions can be used to construct multiple complex organic molecular structures.
What is the common synthesis method of 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene?
3-Chloro-4- (3-fluorobenzoxy) nitrobenzene is an important intermediate in organic synthesis. Its common synthesis methods are about the following ends.
First, 3-chloro-4-hydroxynitrobenzene and 3-fluorobenzyl halide are used as raw materials in an alkaline environment for nucleophilic substitution. Select strong bases such as potassium carbonate and sodium hydroxide and dissolve in appropriate solvents, such as N, N-dimethylformamide (DMF), acetone and the like. First, the base is co-placed in a solvent with 3-chloro-4-hydroxynitrobenzene, stirred to dissolve it, and then 3-fluorobenzyl halide is slowly added. Temperature control reaction, depending on the activity of the halide and the reaction process, the temperature may be between room temperature and 80 ° C. This reaction, the action of the base, is to seize the hydrogen of the phenolic hydroxyl group, generate phenoxy negative ions, enhance its nucleophilicity, and then replace it with the halogen atom of the benzyl halide to obtain the target product.
Second, 3-fluorobenzyl alcohol can be prepared first, and it can be converted into the corresponding sulfonate, such as methanesulfonate or p-toluenesulfonate. At the same time, 3-chloro-4-hydroxynitrobenzene reacts with the base to form phenolic salts. The two interact with suitable solvents, such as acetonitrile, dichloromethane, etc., the sulfonate group leaves, and the phenoxy negative ion attacks the benzyl carbon and forms a C-O bond, then 3-chloro-4 - (3-fluorobenzyl oxide) nitrobenzene is obtained. In this process, the preparation of sulfonate esters requires the corresponding sulfonyl chloride and 3-fluorobenzyl alcohol. Under alkali catalysis, in a low temperature environment, such as 0-5 ° C, a sulfonate with good activity can be obtained, which is conducive to subsequent substitution reactions.
Third, the coupling reaction is catalyzed by palladium. Using 3-chloro-4-halogenated nitrobenzene and 3-fluorobenzyl alcohol derivatives as substrates, with the assistance of ligands such as tri-tert-butylphosphine and bis (diphenylphosphine) ethane, and palladium catalysts such as palladium acetate and tetra (triphenylphosphine) palladium. In the presence of bases, in suitable solvents such as toluene and 1,4-dioxane. Palladium catalyzed, it can activate the carbon-halogen bond of halogenated aromatics, making it easy to couple with benzyl alcohol derivatives to form the desired C-O bond. The reaction temperature is usually between 80 and 120 ℃ depending on the substrate and catalyst activity. The yield and selectivity can be optimized by adjusting the amount of catalyst, ligand and base.
First, 3-chloro-4-hydroxynitrobenzene and 3-fluorobenzyl halide are used as raw materials in an alkaline environment for nucleophilic substitution. Select strong bases such as potassium carbonate and sodium hydroxide and dissolve in appropriate solvents, such as N, N-dimethylformamide (DMF), acetone and the like. First, the base is co-placed in a solvent with 3-chloro-4-hydroxynitrobenzene, stirred to dissolve it, and then 3-fluorobenzyl halide is slowly added. Temperature control reaction, depending on the activity of the halide and the reaction process, the temperature may be between room temperature and 80 ° C. This reaction, the action of the base, is to seize the hydrogen of the phenolic hydroxyl group, generate phenoxy negative ions, enhance its nucleophilicity, and then replace it with the halogen atom of the benzyl halide to obtain the target product.
Second, 3-fluorobenzyl alcohol can be prepared first, and it can be converted into the corresponding sulfonate, such as methanesulfonate or p-toluenesulfonate. At the same time, 3-chloro-4-hydroxynitrobenzene reacts with the base to form phenolic salts. The two interact with suitable solvents, such as acetonitrile, dichloromethane, etc., the sulfonate group leaves, and the phenoxy negative ion attacks the benzyl carbon and forms a C-O bond, then 3-chloro-4 - (3-fluorobenzyl oxide) nitrobenzene is obtained. In this process, the preparation of sulfonate esters requires the corresponding sulfonyl chloride and 3-fluorobenzyl alcohol. Under alkali catalysis, in a low temperature environment, such as 0-5 ° C, a sulfonate with good activity can be obtained, which is conducive to subsequent substitution reactions.
Third, the coupling reaction is catalyzed by palladium. Using 3-chloro-4-halogenated nitrobenzene and 3-fluorobenzyl alcohol derivatives as substrates, with the assistance of ligands such as tri-tert-butylphosphine and bis (diphenylphosphine) ethane, and palladium catalysts such as palladium acetate and tetra (triphenylphosphine) palladium. In the presence of bases, in suitable solvents such as toluene and 1,4-dioxane. Palladium catalyzed, it can activate the carbon-halogen bond of halogenated aromatics, making it easy to couple with benzyl alcohol derivatives to form the desired C-O bond. The reaction temperature is usually between 80 and 120 ℃ depending on the substrate and catalyst activity. The yield and selectivity can be optimized by adjusting the amount of catalyst, ligand and base.
In which fields is 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene used?
3-Chloro-4- (3-fluorobenzoxy) nitrobenzene is useful in many fields. This compound is often used as a key intermediate in the field of pharmaceutical creation. Due to its unique chemical structure, it can be coupled with other compounds through various reactions to synthesize new drugs with specific pharmacological activities. For example, in the development of anti-tumor drugs, complex molecular structures can be constructed through this intermediate to intervene in the growth and proliferation of tumor cells.
In the field of pesticide development, it also has important functions. Its structural properties give it potential insecticidal, bactericidal or herbicidal activities. By rationally modifying its surrounding substituents, its activity and selectivity to specific target organisms can be optimized, and efficient and environmentally friendly pesticide varieties can be developed, which can help agricultural pest control and yield increase.
In the field of materials science, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene can be used as a raw material to participate in the synthesis of functional materials. For example, in the preparation of some organic optoelectronic materials, it can adjust the electron cloud distribution and molecular configuration of the material, which in turn affects the optical and electrical properties of the material. It is used to manufacture organic Light Emitting Diodes, solar cells and other devices to improve their performance.
In summary, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene plays an indispensable role in many fields such as medicine, pesticides, and materials science, and is of great significance for promoting technological progress and product innovation in various fields.
In the field of pesticide development, it also has important functions. Its structural properties give it potential insecticidal, bactericidal or herbicidal activities. By rationally modifying its surrounding substituents, its activity and selectivity to specific target organisms can be optimized, and efficient and environmentally friendly pesticide varieties can be developed, which can help agricultural pest control and yield increase.
In the field of materials science, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene can be used as a raw material to participate in the synthesis of functional materials. For example, in the preparation of some organic optoelectronic materials, it can adjust the electron cloud distribution and molecular configuration of the material, which in turn affects the optical and electrical properties of the material. It is used to manufacture organic Light Emitting Diodes, solar cells and other devices to improve their performance.
In summary, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene plays an indispensable role in many fields such as medicine, pesticides, and materials science, and is of great significance for promoting technological progress and product innovation in various fields.
What is the market outlook for 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene?
3-Chloro-4- (3-fluorobenzoxy) nitrobenzene, this substance has emerged in the chemical industry and has a wide range of uses. Looking at its stage in pharmaceutical synthesis, it is often a key intermediate and participates in the creation of many special drugs. Because of its unique chemical structure, it can interact ingeniously with specific reactants to build a drug activity skeleton, which is carefully crafted by craftsmen to help the birth of new drugs, with promising prospects.
In the place of pesticide research and development, it also shows its skills. As a raw material, it participates in the synthesis of high-efficiency and low-toxicity pesticides, which is in line with the needs of the current green development of agriculture. With its structural characteristics, it gives pesticides the ability to precisely kill insects and sterilize bacteria, just like guards guarding farmland, reducing chemical residues, and protecting ecological balance
However, the market also has challenges. The synthesis process is complex, like a labyrinth of twists and turns, requires fine control of conditions, increases production costs, and is like climbing a dangerous peak, which is difficult. And its production process involves many chemical reagents, and environmental protection pressure is like a boulder pressing the top, which needs to be carefully handled to ensure green production.
However, the flaws are not hidden. With the progress of science and technology, the synthesis process is expected to be simplified and the cost is reduced, just like the clouds. Environmental protection technology innovation can also solve the worries of production. In time, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene will shine in the chemical market, like a bright pearl, illuminating the way forward for the chemical industry.
In the place of pesticide research and development, it also shows its skills. As a raw material, it participates in the synthesis of high-efficiency and low-toxicity pesticides, which is in line with the needs of the current green development of agriculture. With its structural characteristics, it gives pesticides the ability to precisely kill insects and sterilize bacteria, just like guards guarding farmland, reducing chemical residues, and protecting ecological balance
However, the market also has challenges. The synthesis process is complex, like a labyrinth of twists and turns, requires fine control of conditions, increases production costs, and is like climbing a dangerous peak, which is difficult. And its production process involves many chemical reagents, and environmental protection pressure is like a boulder pressing the top, which needs to be carefully handled to ensure green production.
However, the flaws are not hidden. With the progress of science and technology, the synthesis process is expected to be simplified and the cost is reduced, just like the clouds. Environmental protection technology innovation can also solve the worries of production. In time, 3-chloro-4- (3-fluorobenzoxy) nitrobenzene will shine in the chemical market, like a bright pearl, illuminating the way forward for the chemical industry.
What are the precautions in the preparation of 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene?
When preparing 3-chloro-4- (3-fluorobenzoxy) nitrobenzene, many precautions need to be made clear.
The choice of starting materials is crucial. It is necessary to ensure that its purity is very high, the presence of impurities, or the reaction path is skewed, and the product is impure. If the starting material contains impurities, or side reactions occur with reagents during the reaction, the reagents are consumed and the main reaction is disturbed, resulting in a significant decrease in the yield of the product.
The control of the reaction conditions is also the key. Temperature is an item, and it must be accurate. This reaction can only be carried out efficiently within a specific temperature range. If the temperature is too low, the reaction rate is slow and time-consuming; if the temperature is too high, it may cause side reactions and generate unnecessary by-products. Taking a common organic reaction as an example, the temperature deviation of some reactions is several degrees, and the proportion of products is very different.
Furthermore, the choice of reaction solvent cannot be ignored. Solvents not only provide a place for the reaction, but also their properties affect the reaction rate and selectivity. Careful selection is required according to the solubility of the reactants and products, the reaction mechanism and other factors. If the solvent is incompatible with the reactants, the reaction may be difficult to occur; if the solvent affects the stability of the product, it will also cause adverse consequences to the quality of the product.
During the reaction process, the rate of stirring should also be appropriate. Good stirring can make the reactants fully contact and make the reaction proceed uniformly. Stirring is too slow, the local concentration of the reactants is uneven, and the reaction is difficult to be sufficient; stirring is too fast, or it may affect the stability of the reaction system, especially for some sensitive reactions.
In the post-treatment stage, the operation needs to be fine. The separation and purification of the product is related to the quality of the final product. Commonly used separation methods, such as extraction, distillation, recrystallization, etc., have their own scope of application and operation points. During extraction, the choice of extractant should be appropriate to ensure that the product can be transferred efficiently; during distillation, the temperature and pressure should be precisely controlled to prevent product decomposition or volatilization loss; during recrystallization, the choice of solvent and the regulation of crystallization conditions will affect the purity and morphology of the crystal.
Preparation of 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene requires rigorous operation and attention to detail in every step from raw material to product to obtain ideal results.
The choice of starting materials is crucial. It is necessary to ensure that its purity is very high, the presence of impurities, or the reaction path is skewed, and the product is impure. If the starting material contains impurities, or side reactions occur with reagents during the reaction, the reagents are consumed and the main reaction is disturbed, resulting in a significant decrease in the yield of the product.
The control of the reaction conditions is also the key. Temperature is an item, and it must be accurate. This reaction can only be carried out efficiently within a specific temperature range. If the temperature is too low, the reaction rate is slow and time-consuming; if the temperature is too high, it may cause side reactions and generate unnecessary by-products. Taking a common organic reaction as an example, the temperature deviation of some reactions is several degrees, and the proportion of products is very different.
Furthermore, the choice of reaction solvent cannot be ignored. Solvents not only provide a place for the reaction, but also their properties affect the reaction rate and selectivity. Careful selection is required according to the solubility of the reactants and products, the reaction mechanism and other factors. If the solvent is incompatible with the reactants, the reaction may be difficult to occur; if the solvent affects the stability of the product, it will also cause adverse consequences to the quality of the product.
During the reaction process, the rate of stirring should also be appropriate. Good stirring can make the reactants fully contact and make the reaction proceed uniformly. Stirring is too slow, the local concentration of the reactants is uneven, and the reaction is difficult to be sufficient; stirring is too fast, or it may affect the stability of the reaction system, especially for some sensitive reactions.
In the post-treatment stage, the operation needs to be fine. The separation and purification of the product is related to the quality of the final product. Commonly used separation methods, such as extraction, distillation, recrystallization, etc., have their own scope of application and operation points. During extraction, the choice of extractant should be appropriate to ensure that the product can be transferred efficiently; during distillation, the temperature and pressure should be precisely controlled to prevent product decomposition or volatilization loss; during recrystallization, the choice of solvent and the regulation of crystallization conditions will affect the purity and morphology of the crystal.
Preparation of 3-chloro-4- (3-fluorobenzyloxy) nitrobenzene requires rigorous operation and attention to detail in every step from raw material to product to obtain ideal results.
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