4 5 Dibromo 2 Benzoylpyrrole
pyridine pyrrole pyrazine piperidine piperazine

4,5-Dibromo-2-benzoylpyrrole

    Specifications

    HS Code

    806907

    Chemical Formula C11H7Br2NO
    Molar Mass 328.987 g/mol
    Appearance Solid (presumably, based on typical organic compounds of this nature)
    Solubility In Water Low (due to non - polar aromatic and halogenated structure)
    Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, chloroform (due to its organic nature)

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    General Information
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    Frequently Asked Questions

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    What are the main uses of 4,5-dibromo-2-benzoyl pyrrole?
    4,5-Diethyl-2-thiophenylpyridine is an important organic compound with key uses in many fields.
    First, in the field of medicinal chemistry, this compound can be used as a key intermediate. Due to its specific chemical structure, it can be modified and derived by organic synthesis to obtain new compounds with specific biological activities. Some derivatives with this structural unit may exhibit good antibacterial, antiviral or antitumor activities. Based on this compound, pharmaceutical researchers can develop innovative drugs with better efficacy and less side effects by adjusting substituents.
    Second, in the field of materials science, 4,5-diethyl-2-thiophenylpyridine also has outstanding performance. It can be used to prepare materials with special photoelectric properties. The conjugate structure of thiophene ring and pyridine ring endows the compound with unique electron transport properties, which can be applied to organic Light Emitting Diode (OLED), organic solar cells and other optoelectronic devices. With precise regulation of its structure, it can optimize the photoelectric properties of materials, improve device efficiency and stability.
    Third, in the field of organic synthesis chemistry, this compound can participate in a variety of organic reactions as a reaction substrate, such as nucleophilic substitution reactions, metal catalytic coupling reactions, etc. Through these reactions, chemists can construct more complex organic molecular structures, providing key steps and strategies for the synthesis of new functional materials and the total synthesis of natural products.
    In conclusion, 4,5-diethyl-2-thiophenylpyridine, with its unique chemical structure, plays an indispensable role in many fields such as drug development, material preparation and organic synthesis, providing an important material basis and research direction for technological innovation and development in various fields.
    What are the synthesis methods of 4,5-dibromo-2-benzoyl pyrrole?
    The synthesis of 4,5-dibromo-2-nitrobenzoyl chloride is an important topic in organic synthetic chemistry. The following methods are commonly used for its synthesis.
    First, 2-nitrobenzoic acid is used as the starting material. First, 2-nitrobenzoic acid is reacted with thionyl chloride. This reaction condition requires appropriate temperature and catalyst. The thionyl chloride can convert the carboxyl group into an acyl chloride to obtain 2-nitrobenzoyl chloride. Subsequently, in a suitable solvent, such as dichloromethane, add a brominating agent, such as liquid bromine, and add a suitable catalyst, such as iron powder or iron tribromide. Under these conditions, bromine atoms will selectively undergo a substitution reaction at the 4,5 positions of the benzene ring to obtain 4,5-dibromo-2-nitrobenzoyl chloride. In this process, it is crucial to control the reaction temperature and the amount of reagents. Excessive temperature or too much bromine may lead to side reactions such as excessive bromination.
    Second, we can start from benzene. First, the benzene is nitrified. Under the action of the mixed acid of concentrated sulfuric acid and concentrated nitric acid, the benzene ring is introduced into the nitro group under appropriate temperature conditions to obtain nitrobenzene. After that, the nitrobenzene is methylated, and the halogenated methane and the corresponding catalyst can introduce methyl into the benzene ring to obtain 2-nitrotoluene. Then, 2-nitrotoluene is oxidized. Commonly used oxidants such as potassium permanganate can oxidize methyl to carboxylic group to obtain 2-nitrobenzoic acid. The subsequent steps are the same as the first method. The acid chloride is first prepared, and then the bromination reaction is carried out to obtain the target product 4,5-dibromo-2-nitrobenzoyl chloride. This route has many steps, and each step of the reaction requires fine control conditions to ensure high yield and purity.
    Thirdly, 4,5-dibromo-2-nitrobenzoyl chloride can be synthesized by multi-step reaction with other compounds containing benzene ring as starting materials by gradually introducing functional groups such as nitro, carboxyl group, acyl chloride group and bromine atom. However, no matter what method is used, many factors such as the feasibility, yield, cost and impact on the environment of the reaction need to be considered. In the actual synthesis, the most suitable synthesis route should be selected according to the specific situation.
    What are the physical properties of 4,5-dibromo-2-benzoyl pyrrole?
    4,5-Dibromo-2-nitrobenzylpyridyl buzzing salt is an organic compound. Its physical properties are quite unique.
    Looking at its appearance, it is mostly solid at room temperature and pressure, and often appears in the form of crystals. This crystal usually has a specific crystal form, or is needle-like, flake-like, etc. The formation of crystal forms is closely related to the interaction between molecules.
    When it comes to color, it is generally white to light yellow. The appearance of this color is due to the absorption and reflection characteristics of molecular structure.
    In terms of melting point, it has a specific melting point range due to intermolecular forces and structure. The exact melting point value will vary depending on factors such as the purity of the compound, but it is roughly in a certain range. The existence of this region provides a key reference for its identification and purification.
    Solubility is also an important property. In common organic solvents, such as ethanol, acetone, etc., there is a certain solubility. This solubility is due to the comprehensive action of the polar and non-polar parts of the molecular structure, which allows it to interact with organic solvent molecules and dissolve. However, in water, the solubility may be poor, because the overall structure of the molecule is not highly hydrophilic.
    Furthermore, the density of the compound is also a specific value, and the density depends on the molecular mass and the way of molecular accumulation. This physical property is of great significance in practical operations such as separation and preparation, which can help to determine its distribution in the mixed system.
    In addition, it may also have a certain degree of volatility, but it is usually less volatile. The strength of volatility is closely related to intermolecular forces, vapor pressure, etc. Weak volatility makes the compound relatively stable at room temperature and not easily lost due to volatilization.
    What are the precautions for 4,5-dibromo-2-benzoyl pyrrole in storage and transportation?
    4,5-Dibromo-2-nitrobenzoyl chloride is an extremely important organic synthesis intermediate. During storage and transportation, many key matters need to be paid attention to to to ensure safety and quality.
    The first to bear the brunt, when storing, be sure to choose a cool, dry and well-ventilated place. This substance is highly reactive with water, and if the ambient humidity is high, it will cause hydrolysis and deterioration. Therefore, the storage place should be kept away from water sources and humid places, and desiccants can be considered to maintain the environment dry. And the temperature should not be too high. High temperature can easily cause it to decompose or cause other chemical reactions. Generally speaking, it is best to store it in a low temperature environment, such as a refrigerator freezer, and the temperature should be controlled between 0-10 ° C.
    Furthermore, the choice of storage containers is crucial. Corrosion-resistant materials, such as glass or specific plastic containers, are required. Because of its strong corrosiveness, if the container material is not suitable, it is easily corroded, which can lead to leakage. The container must be tightly sealed to prevent contact with air, because moisture and oxygen in the air may react with it.
    As for transportation, the relevant regulations for the transportation of hazardous chemicals must be strictly followed. It needs to be properly packaged and use special hazardous chemical packaging materials to ensure that it will not be damaged and leaked due to bumps and collisions during transportation. Transportation vehicles should also be equipped with corresponding safety facilities and emergency treatment equipment, just in case. Transportation personnel need to be professionally trained and familiar with the characteristics of the substance and emergency treatment methods.
    During the entire storage and transportation process, detailed records should be made, covering storage conditions, transportation routes, time, and relevant responsible persons. Once any abnormal situation occurs, it can be traced quickly and effective countermeasures can be taken. Only by paying careful attention to the above can we ensure that 4,5-dibromo-2-nitrobenzoyl chloride is safe during storage and transportation.
    What is the market outlook for 4,5-dibromo-2-benzoyl pyrrole?
    4,5-Dibromo-2-furanoyl pyridine, an organic compound. Looking at the current market, its prospects are full of opportunities and challenges.
    From the demand side, in the field of pharmaceutical research and development, the creation of many new drugs is increasingly in demand. Because of its specific chemical structure, it can be used as a key intermediate to help synthesize compounds with unique biological activities, which is expected to be used to overcome difficult diseases. Therefore, the vigorous development of the pharmaceutical industry has paved the way for a broad market. In the field of materials science, with the in-depth exploration of functional materials, 4,5-dibromo-2-furanoyl pyridine has emerged in the field of organic optoelectronic materials, injecting vitality into material innovation and generating new demand.
    However, there are also challenges on the supply side. The synthesis process may involve complicated steps and specific reaction conditions, which requires high production technology. If the production enterprise technology is not mature, it may lead to limited output and high cost, which will weaken market competitiveness. Furthermore, if the same type of intermediate compounds may form a competitive situation, if the enterprise fails to stand out in terms of quality, price, and service, it may be difficult to win a place in the market.
    In addition, policies and regulations and environmental protection requirements are also important factors affecting its market prospects. With the tightening of environmental protection supervision, the production process needs to meet strict environmental protection standards, which is a test for the production process and environmental protection investment of enterprises. If enterprises can comply with policy guidance and actively innovate production processes to meet the requirements of green production, they may be able to take advantage of the opportunity to expand market share; otherwise, they may be abandoned by the market.
    To sum up, although 4,5-dibromo-2-furanoyl pyridine has promising prospects due to the demand in the fields of medicine and materials, manufacturers need to face many challenges such as technology, competition, and policies in order to move forward steadily in the market.