4 Acetyl 1h Pyrrole 2 Carbaldehyde
pyridine pyrrole pyrazine piperidine piperazine

4-Acetyl-1H-pyrrole-2-carbaldehyde

    Specifications

    HS Code

    965180

    Chemical Formula C7H7NO2
    Molecular Weight 137.14 g/mol
    Appearance Solid (usually)
    Odor Characteristic
    Solubility In Water Poorly soluble
    Solubility In Organic Solvents Soluble in some organic solvents like ethanol
    Stability Stable under normal conditions
    Main Hazard Irritant (potential)
    Cas Number 19333-97-4

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    General Information
    Where to Buy 4-Acetyl-1H-pyrrole-2-carbaldehyde in China?
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    Frequently Asked Questions

    As a leading 4-Acetyl-1H-pyrrole-2-carbaldehyde supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What are the chemical properties of 4-acetyl-1H-pyrrole-2-formaldehyde?
    4-Acetamido-1H-pyrrole-2-formate ethyl ester, which is a common and important intermediate in organic synthesis. Its chemical properties are unique, containing a variety of activity check points, and it shows special properties in many chemical reactions.
    Looking at its structure, the acetamido group is connected to the pyrrole ring, which endows the molecule with certain stability and specific electronic effects. In the acetamide group, the lone pair electrons of the nitrogen atom are conjugated with the carbonyl group, making the group nucleophilic and basic. This property allows it to participate as a nucleophilic reagent in nucleophilic substitution reactions, and react with electrophilic reagents such as halogenated hydrocarbons to form new carbon-nitrogen bonds and construct more complex organic structures.
    Furthermore, the 1H-pyrrole ring is an electron-rich aromatic ring with aromatic properties. The electron cloud density on the ring is high, which is prone to electrophilic substitution reactions. If it interacts with halogenating reagents, halogen atoms can be introduced at specific positions in the pyrrole ring; when it encounters acylating reagents, acylation reactions can be realized, and acyl functional groups can be added to the ring. These reactions provide an effective path for the synthesis of derivatives with different functional groups.
    And the ester group functional group of the ethyl 2-formate part also has unique chemical activity. Under basic conditions, hydrolysis can occur to generate corresponding carboxylic salts and ethanol; under acidic conditions, hydrolysis to form formic acid and ethanol. In addition, ester groups can also participate in transesterification reactions, exchanging alcohol parts with different alcohols under the action of catalysts, thereby modifying and modifying the molecular structure.
    The various chemical properties of this compound make it widely used in pharmaceutical chemistry, materials science and other fields. During drug synthesis, pharmacoactive groups are constructed by virtue of their reactive activities; in material preparation, material properties are improved by chemical modification.
    What are the main uses of 4-acetyl-1H-pyrrole-2-formaldehyde?
    4-Ethylbenzyl-1H-imidazole-2-acetonitrile is a key intermediate in the field of organic synthesis and is widely used in the pharmaceutical, pesticide and materials industries.
    In the field of medicine, it is often used as a key raw material for the synthesis of various drugs. In the preparation of many anti-cancer drugs, 4-ethylbenzyl-1H-imidazole-2-acetonitrile can undergo a series of chemical reactions to construct drug molecular structures with specific biological activities. Due to its unique chemical structure, it can precisely bind to specific targets in cancer cells, thereby inhibiting the growth and spread of cancer cells. At the same time, in the research and development of antibacterial drugs, it also plays an important role, which can achieve antibacterial effect by changing the mechanism of bacterial cell membrane permeability.
    In the field of pesticides, this compound can be used to create new pesticides. With it as the starting material, the synthetic pesticide exhibited high-efficiency contact and stomach toxicity to pests. Insecticides based in part on the synthesis of 4-ethylbenzyl-1H-imidazole-2-acetonitrile have excellent control effects on pests such as Lepidoptera and Homoptera, and are relatively friendly to the environment, with low residues, which can effectively ensure crop yield and quality, and reduce the negative impact of chemical pesticides on the ecological environment.
    In the field of materials science, 4-ethylbenzyl-1H-imidazole-2-acetonitrile is involved in the synthesis of some functional materials with unique electrical, optical or thermal properties. For example, it can be used to prepare polymer materials with special electrical conductivity, and has potential application value in electronic devices such as organic Light Emitting Diodes (OLEDs) and solar cells, providing new directions and possibilities for the development of new materials.
    What is the synthesis method of 4-acetyl-1H-pyrrole-2-formaldehyde?
    To prepare 4-ethylphenyl-1H-pyrazole-2-acetic acid, the following ancient method can be used.
    First take an appropriate amount of raw materials and dissolve them in a suitable solvent. Commonly selected organic solvents such as ethanol and dichloromethane, depending on the solubility of the raw materials and the reaction conditions. In the reaction vessel, the compound containing 4-ethylphenyl and the pyrazole derivative are mixed in an appropriate molar ratio. This ratio must be accurately determined by preliminary tests before the reaction can be carried out efficiently.
    Next, a specific catalyst is added. It can be an organic base such as triethylamine, pyridine, or a metal catalyst and its ligands. The function of the catalyst is to reduce the activation energy of the reaction and speed up the reaction process. When adding the catalyst, pay attention to the speed and temperature of its addition to prevent local overheating or other side reactions.
    Temperature rise to make the reaction system reach a suitable temperature. This temperature also varies depending on the reaction characteristics, either at room temperature or heated to tens of degrees Celsius or even higher. When heating, oil bath, water bath or sand bath method is used to make the temperature uniform and the reaction smooth.
    During the reaction process, close monitoring should be carried out. By means of thin-layer chromatography (TLC), a small amount of the reaction liquid can be taken at regular intervals, dotted on the thin plate, and unfolded with a suitable development agent to observe the spot change between the raw material and the product to judge the reaction process. When the spot of the raw material almost disappears and the spot of the product reaches the expected strength, the reaction can be regarded as basically completed.
    After the reaction is completed, the reaction liquid is cooled to room temperature, and then the post-treatment steps are carried out. The reaction liquid is often washed with water or dilute acid or dilute alkali solution to remove unreacted raw materials, catalysts and by-products. After washing, the organic phase is separated with a liquid separation funnel and dried with anhydrous sodium sulfate or magnesium sulfate to remove residual moisture.
    Finally, the product is purified by means of vacuum distillation and column chromatography. Vacuum distillation can remove the solvent with low boiling point, and column chromatography can further separate the product and a small amount of impurities to obtain pure 4-ethylphenyl-1H-pyrazole-2-acetic acid. When operating, care should be taken and follow the ancient procedures to achieve the desired results.
    What are the precautions for 4-acetyl-1H-pyrrole-2-formaldehyde during storage and transportation?
    4-Ethylbenzyl-1H-imidazole-2-acetonitrile is one of the organic compounds. During storage and transportation, there are many things to pay attention to, as follows:
    First, when storing, choose a cool, dry and well-ventilated place. This compound is susceptible to moisture. If the storage environment is humid, it may cause chemical reactions such as hydrolysis to occur, which will damage the quality. Therefore, it should be avoided to store in a place with high humidity, and the storage container used must be well sealed to prevent moisture from invading.
    Second, temperature is also the key. Excessive temperature may cause the compound to decompose or accelerate its deterioration, and too low temperature may cause the compound to solidify, which will affect the use. It is usually recommended to store within a specific temperature range. The specific temperature depends on the characteristics of the compound. Generally, it is found between 0 ° C and 25 ° C.
    Third, the packaging must be sturdy during transportation. This compound may have certain chemical activity. If the packaging is damaged or leaked during transportation, it will cause safety problems. The packaging material should be able to withstand certain external shocks and vibrations to ensure a stable transportation process.
    Fourth, it needs to be stored and transported separately from oxidizing agents, acids, bases and other substances. 4-ethylbenzyl-1H-imidazole-2-acetonitrile is chemically active, comes into contact with the above substances, or reacts violently, and even causes serious accidents such as fire and explosion.
    Fifth, whether it is storage or transportation, relevant regulations and standards should be strictly followed. Operators must be professionally trained and familiar with compound characteristics and emergency treatment methods. In the event of an unexpected situation such as leakage, they can quickly take correct measures to reduce the harm.
    What is the market price of 4-acetyl-1H-pyrrole-2-formaldehyde?
    In today's world, the business situation is complicated, and if you want to know the market price of 4-isopropyl-1H-imidazole-2-acetonitrile, you can't get it unless you explore the market and ask people.
    If you want to know the price of something, you should depend on its supply and demand, the difficulty of making it, and the change of the times. The 4-isopropyl-1H-imidazole-2-acetonitrile, if there are many seekers in the market, and there are few suppliers, its price will be high; on the contrary, if the seekers are scarce and the suppliers are profitable, the price will be low.
    And the difficulty of making art is also related to the price. If the system is not easy, labor and materials are required, and fine machinery is required, the cost will be high, and the price will follow. If the system is easy, the cost will be saved, and the price may be close to the people.
    The change of the times is also the main reason. The government of the world may support the industry of this product, or there may be restrictions. If you support it, the output will increase, and the price will fall; if you set a limit, the output will shrink, and the price will rise. And the epidemic, war, and disaster in the four directions can all be chaotic in the market, causing the price to be impermanent.
    If you want to know the market price of this product, you should visit the cities of the chemical industry, consult the merchants of this product, and look at the listed price and transaction records, and you can get a more accurate number. And in different places, due to the distance of the journey and the severity of the tax, the price may vary. Therefore, it is necessary to widely observe the visit and gather the feelings of many places in order to understand the approximate price. However, the market conditions change, this price is not constant, and should be subject to real-time inspection.