Chemical Formula | C7H6F2O |
Molar Mass | 144.12 g/mol |
Appearance | Colorless liquid |
Boiling Point | 156 - 158 °C |
Density | 1.179 g/mL at 25 °C |
Flash Point | 48 °C |
Solubility In Water | Insoluble |
Refractive Index | 1.456 at 20 °C |
Chemical Formula | C7H6F2O |
Molar Mass | 144.12 g/mol |
Appearance | Colorless liquid |
Boiling Point | 149 - 150 °C |
Density | 1.196 g/cm³ |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
Flash Point | 46 °C |
What are the main uses of 2,3-difluoroanisole?
The main uses of 2% 2C3-diethoxyphenylacetonitrile are as follows:
This compound is a key intermediate in the field of medicine. Taking the preparation of some cardiovascular disease therapeutic drugs as an example, in a specific synthetic route, 2% 2C3-diethoxyphenylacetonitrile can undergo a series of chemical reactions to build the basic structure of drug active ingredients. The ethoxy and phenylacetonitrile parts in its structure have a significant impact on the physical and chemical properties of drug molecules such as spatial configuration and lipophilicity, which in turn affect the ability of drugs to bind to targets and metabolic processes in vivo.
In the field of pesticides, it also shows important uses. In the synthesis process of some pesticide varieties with high insecticidal activity, 2% 2C3-diethoxyphenylacetonitrile is an indispensable raw material. The molecular structure of the pesticide it participates in the formation can precisely act on the specific physiological targets of pests, such as interfering with the normal function of the pest's nervous system, or disrupting the physiological balance of its digestive system, so as to achieve the purpose of efficient insecticidal. And because of its stable chemical structure, it helps to improve the shelf life of pesticides in the natural environment, reduce the frequency of application, and reduce the pressure on the environment.
In the field of organic synthesis, 2% 2C3-diethoxyphenylacetonitrile is an extremely useful synthetic block. The cyanyl group and ethoxy group contained in it can undergo a variety of chemical reactions, such as the cyanyl group can be hydrolyzed to form a carboxyl group, or an addition reaction with other nucleophiles; the ethoxy group can be substituted under appropriate conditions. With these reactions, chemists can use it as a starting material to ingeniously construct complex and diverse organic compounds, providing a rich material basis for the development of new materials, functional molecules, etc.
What are the physical properties of 2,3-difluoroanisole?
2% 2C3-diethyl ether acetophenone, which is an organic compound. Its physical properties are quite unique and are described as follows:
Looking at its properties, at room temperature, it is mostly colorless to light yellow oily liquid, uniform in quality and with a certain fluidity. Under light, it may show a faint luster, just like ancient glaze. Although it is not dazzling, it has a warm and moist state.
Smell its smell and emit a special fragrance. However, this fragrance is not a fresh and pleasant genus, but rather a little irritating. It seems that the ancient rhyme is mixed with a bit of unruly. At first, it may feel uncomfortable. After a long time, it is easy to make people dizzy, as if they are in the realm of strange spices, but it also hides a bit of danger.
In terms of its boiling point, it is within a specific temperature range. This characteristic makes it gradually change from liquid state to gaseous state when it reaches the corresponding temperature during the heating process, just like the ancients in alchemy. When the heat is reached, the substance will undergo wonderful changes and turn into a rising mist. This boiling point characteristic is quite critical in the experimental operation of separation and purification, just like controlling the alchemy temperature and accurately grasping it to obtain a pure thing.
Looking at its melting point, it is also in a specific low temperature range. When the external temperature drops below the melting point, the liquid that originally flowed will gradually solidify and turn into a solid state, just like water turns into ice when it meets cold, and the shape changes, revealing the material characteristics. This melting point characteristic needs to be taken into account during storage and transportation. If the ambient temperature is not appropriate, or its shape changes, it will affect the use.
In addition, its solubility also has characteristics. In organic solvents, such as ethanol, ether, etc., it has good solubility, just like when a fish enters water, the two blend seamlessly. In water, the solubility is poor, just like oil and water, which is difficult to blend. This characteristic can be well used in the process of organic synthesis and separation to achieve the purpose of separation and extraction, just like the ancients used ingenious methods to separate different substances, each in its place, and make the best use of it.
Is the chemical properties of 2,3-difluoroanisole stable?
The chemical properties of 2% 2C3-diethoxyphenylacetonitrile are still stable. Among this substance, the ethoxy group interacts with the benzene ring and cyanyl group to form a relatively stable structure. The ethoxy group increases the electron cloud density of the benzene ring by virtue of its donator effect, which affects the chemical activity of the benzene ring. However, this effect maintains the stability of the structure to a certain extent.
As a strong electron-absorbing group, the cyanide group changes the distribution of the molecular electron cloud, but the conjugated system formed together with the benzene ring and ethoxy group also helps to stabilize the overall structure to a certain extent. Under normal conditions, 2% 2C3-diethoxy phenylacetonitrile is not prone to significant chemical reactions without specific reagents or severe changes in the external environment, such as high temperature, strong acid and alkali, and strong oxidizing agents.
However, it should be noted that when this substance encounters strong oxidizing agents, the cyano group or ethoxy group may be oxidized, causing its structure to change. In case of strong acid and alkali, the ethoxy group may undergo hydrolysis reaction, and the cyano group may also hydrolyze to form carboxyl groups under specific conditions. Therefore, although the chemical properties are relatively stable under normal conditions, reactions may also occur in special environments.
What are the synthesis methods of 2,3-difluoroanisole?
The synthesis method of 2% 2C3-diethoxyacetophenone covers various paths. First, acetophenone is halogenated to obtain acetophenone, and then it interacts with sodium alcohol or potassium alcohol in an alcohol solvent to form 2% 2C3-diethoxyacetophenone. The reaction is as follows: acetophenone is first exposed to a halogenating agent to halogenate a specific position on the benzene ring. This halogenation step requires appropriate halogenating agents and reaction conditions to ensure that the halogen atom is precisely located at the position of 2% 2C3. Then, the resulting halogenated acetophenone is combined with sodium alcohol or potassium alcohol in the alcohol. According to the mechanism of nucleophilic substitution, the halogen atom is replaced by an ethoxy group, and the target product is obtained.
Another method can be started from resorcinol. The resorcinol first interacts with acetic anhydride or acetyl chloride to perform acetylation to obtain 3-acetylresorcinol. After that, the 3-acetylresorcinol is reacted with haloethane in an alkaline environment and with the help of a phase transfer catalyst to obtain 2% 2C3-diethoxyacetophenone. In this step, the acetylation step can be controlled by controlling the reaction temperature, time and reagent dosage to optimize the acetyl group to a specific position. The subsequent reaction with haloethane, the strength of the alkaline environment, and the type and dosage of the phase transfer catalyst are all key factors affecting the effectiveness of the reaction.
In addition, the Grignard reagent method can also be used. Grignard reagent is prepared by halogenated benzene and magnesium chips, and reacts with ethoxy-substituted carbonyl compounds. After subsequent treatment such as hydrolysis, 2% 2C3-diethoxy acetophenone can also be obtained. In this path, the preparation of Grignard reagent needs to be in a harsh environment without water and oxygen, and the subsequent addition and hydrolysis steps with carbonyl compounds need to be carefully controlled for the reaction conditions to obtain the product with ideal yield and purity.
All these methods have their own advantages and disadvantages. In actual synthesis, the choice should be based on factors such as the availability of raw materials, cost, difficulty in controlling reaction conditions, and the purity and yield of the product.
What is the price of 2,3-difluoroanisole in the market?
In today's market, prices are numerous, so it is not easy to know the price of 2,3-diethoxyacetophenone. The price often changes for many reasons, and it is difficult to hide it in a single word.
First, the supply and demand of the city is the key. If there are many people who need it, but there are few suppliers, the price will rise; conversely, if the supply exceeds the demand, the price may fall.
Second, the cost of production also affects the price. The price of raw materials, labor costs, equipment consumption, taxation, etc. are all costs. If the cost is high, the price is difficult to lower; if the cost falls, the price may decrease.
Third, the quality of quality is related to the price. The quality is often expensive; the quality is inferior, the price may be low.
Fourth, business policies also have an impact. Merchants may expand the market, increase profits, engage in promotions, discounts, and the price changes accordingly.
And the market conditions are changing rapidly. The distance of origin, the change of seasons, and the regulation of politics can all make the price of 2,3-diethoxyacetophenone fluctuate. Therefore, in order to know the exact price, it is necessary to check the market situation carefully, visit merchants, brokers, or have a general idea, but it is difficult to have a constant price.