2 Bromodibenzothiophene
quinoline thiophene imidazole thiazole

2-Bromodibenzothiophene

Taiy Chemical

    Specifications

    HS Code

    872115

    Chemical Formula C12H7BrS
    Molar Mass 263.15 g/mol
    Appearance Solid
    Color White to off - white
    Melting Point 78 - 82 °C
    Boiling Point 365.7 °C at 760 mmHg
    Solubility In Water Insoluble
    Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, toluene
    Purity Typically available in high purity, e.g., 97%+

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    General Information
    Where to Buy 2-Bromodibenzothiophene in China?
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    Frequently Asked Questions

    As a leading 2-Bromodibenzothiophene 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 main uses of 2-bromodibenzothiophene?
    2-% cyanodibenzofuranone is mainly used in the field of medicine and materials.
    In the field of medicine, it is a key intermediate and participates in the creation of many drugs. For example, in the research and development of anti-tumor drugs, 2-% cyanodibenzofuranone can construct compounds with unique structures and activities through specific reactions, or specifically bind to tumor cell targets, block tumor cell proliferation and induce apoptosis, providing a new opportunity to conquer cancer. In the field of antibacterial drugs, its structure modification can endow new antibacterial properties, deal with drug-resistant bacteria problems, and open up new directions for antibacterial treatment.
    In the field of materials, 2-% cyanodibenzofuranone also plays an important role. First, in the field of organic optoelectronic materials, with its special electronic structure and optical properties, it can be used to prepare organic Light Emitting Diode (OLED) materials. In OLED devices, it can effectively regulate the luminous efficiency and color purity, making the display screen more vivid colors, clearer image quality, and help display technology upgrade. Second, in the field of polymer materials, as a functional monomer, it can be introduced into the main chain or side chain of the polymer to give the polymer special properties such as fluorescence and oxidation resistance, and enhance the application value of the material in packaging, sensors and other fields.
    Although "Tiangong Kaiji" does not directly contain the use of 2-% cyanodibenzofuranone, it contains scientific thinking and process concepts. In the past, craftsmen continuously explored the use of materials and process improvement, but now with the development of science, the same is true for the research of 2-% cyanodibenzofuranone. Through unremitting exploration and innovation, they have explored its various uses for the benefit of mankind.
    What are the physical properties of 2-bromodibenzothiophene?
    2-% cyanodibenzofuran imidazole is an organic compound with the following physical properties:
    - ** Appearance and properties **: At room temperature, it is mostly crystalline solid and has a fine texture. Due to differences in purity and preparation process, the appearance may be slightly different. Pure ones are often white to light yellow crystalline powders. Under the microscope, a regular crystal structure can be seen, reflecting the order of its molecular arrangement. < Br > - ** Melting point and boiling point **: The melting point is quite high, about 300 ° C. Due to the strong interaction forces between molecules, such as hydrogen bonding, π-π stacking, etc., the molecules are closely bound, and high energy is required to destroy the lattice, causing the melting point to rise; the boiling point is higher, and it needs to be determined under specific high temperature and decompression conditions. Its high boiling point characteristics are due to intermolecular forces and relatively large molecular weights.
    - ** Solubility **: In common organic solvents, such as ethanol, acetone, chloroform, etc., the solubility is limited, only slightly soluble or insoluble. This is due to the small polarity of the molecule, the weak force between the molecules and common organic solvents, and it is not easy to penetrate and dissolve each other; while in strong polar organic solvents or specific mixed solvents, the solubility may increase slightly. In water, it is almost insoluble, and due to its non-water-soluble molecular structure, the effective interaction between water molecules and the compound molecules cannot be formed.
    - ** Density **: The density is greater than that of water. The specific value varies due to accurate measurement conditions, roughly between 1.3 and 1.5 g/cm ³, indicating that its unit volume mass is large. If mixed with water, it will sink to the bottom of the water.
    - ** Stability **: Under normal temperature and pressure, dark and dry environments, the chemical properties are relatively stable, and it can be stored for a long time without significant decomposition. However, in the presence of high temperatures, strong acids, strong bases, or strong oxidants, the molecular structure may change, triggering decomposition or chemical reactions, such as at high temperatures, or cyclization and rearrangement reactions; in case of strong acids and bases, certain chemical bonds in the molecule may break, generating new compounds.
    What are the chemical properties of 2-bromodibenzothiophene?
    2-% cyanodibenzofuranone is an organic compound. It has unique chemical properties and has important uses in many fields.
    When it comes to physical properties, 2-% cyanodibenzofuranone is mostly solid at room temperature, and its color may be white to light yellow. Its melting point, boiling point and other properties vary according to specific purity and environmental conditions. The melting point is usually within a certain range. This characteristic makes it change from solid to liquid at a specific temperature, which is crucial for the control of material processing and synthesis processes.
    In terms of chemical properties, the cyanyl (-CN) activity in 2-% cyanodibenzofuranone is quite high. The carbon-nitrogen triple bond in the cyanyl group is rich in electrons, which makes it easy to participate in nucleophilic substitution, addition and other reactions. Under suitable reaction conditions, the cyanyl group can react with a variety of nucleophilic reagents, introduce different functional groups, and expand the structure and function of the molecule. For example, under the action of catalysts, nucleophilic substitution reactions with alcohols can occur to generate corresponding ester derivatives. This reaction is often an important step in the construction of complex organic molecular structures in organic synthesis.
    Furthermore, the structure of dibenzofuranone partially endows the molecule with a conjugated system. The conjugated system gives the molecule a unique electron delocalization property, which affects its spectral properties and chemical activity. The conjugated structure makes the molecule have a specific absorption peak in the ultraviolet-visible region, which can be qualitatively and quantitatively detected by spectral analysis technology. And the existence of the conjugated system enhances the stability of the molecule, and at the same time changes the electron cloud density of some carbon atoms, which is prone to electrophilic substitution. If under appropriate conditions, electrophilic substitution can occur with halogenated reagents, and halogen atoms can be introduced into the benzene ring to create more possibilities for subsequent organic synthesis reactions.
    2-% cyanodibenzofuranone can be used as a lead compound in the field of medicinal chemistry due to the above chemical properties. After structural modification and optimization, it can be used to develop drugs with specific biological activities. In the field of materials science, it can be used to synthesize functional materials with special optical and electrical properties, with broad application prospects.
    What are the synthesis methods of 2-bromodibenzothiophene?
    To prepare 2-bromo dibenzofuran imidazole, there are various methods. The classic method can be adopted, using dibenzofuran as the base, through bromination, bromine atoms are introduced. First, the dibenzofuran is brominated with an appropriate amount of brominating agent, such as liquid bromine, in a suitable reaction environment, with catalysts such as iron powder or iron tribromide, and the temperature is controlled at a moderate temperature. Brominate it to obtain bromodibenzofuran.
    Then, the bromide is reacted with imidazole reagents in an alkaline environment with a suitable solvent, such as N, N-dimethylformamide (DMF). The base can be selected from potassium carbonate or sodium carbonate to assist the nucleophilic attack of imidazole reagents, causing the bromine atom to be replaced by imidazolyl, thus forming 2-bromo dibenzofuran imidazole.
    There are modern methods, which can be catalyzed by transition metals. Taking palladium catalysis as an example, under the combined action of dibenzofuran derivatives and bromoimidazole derivatives, palladium catalysts such as tetra (triphenylphosphine) palladium, ligands such as three tert-butyl phosphine, and bases such as cesium carbonate, in a suitable solvent such as toluene, the coupling of the two is achieved by heating and refluxing to form the target product. This method of transition metal catalysis often has the advantages of mild reaction conditions and good selectivity. < Br >
    Or we can start with the design and synthesis of raw materials, first construct the initial body containing dibenzofuran and imidazole structure, and then undergo a series of reactions such as cyclization and bromination to obtain 2-bromo dibenzofuran imidazole. The specific reaction conditions, such as temperature, reaction time, reagent dosage, etc., need to be carefully experimentally explored and optimized to obtain high yield and high purity products.
    What are the precautions for storing and transporting 2-bromodibenzothiophene?
    If you want to store and transport dicyandiamine, you need to be careful about all matters.
    For the first storage, you must choose a cool, dry and well-ventilated place. Although dicyandiamine is relatively stable, it may meet with moisture and heat, or it may change. Wet is easy to deliquescence, which will damage the quality; heat may promote its chemical reaction and cause changes in its properties. And it should be stored separately with acids, alkalis and strong oxidizing agents. They are chemically active and may react violently with them, resulting in danger. The storage place should have leak-proof facilities to prepare for unexpected leakage, and the logo is clear, so that people can know its properties and risks at a glance.
    As for transportation, it should not be ignored. The carrier must have professional qualifications and be familiar with the properties and transportation methods of dicyandiamine. The packaging must be solid and tight to prevent package damage due to bumps and collisions. During transportation, avoid high temperature, rain and sun exposure. Under high temperature, dicyandiamine may accelerate decomposition; rain exposure makes it damp; exposure also increases the temperature, all increasing the risk. Driving should be stable to avoid sudden brakes, sharp turns and other goods displacement and collision. Transportation vehicles should be equipped with emergency treatment equipment, such as adsorption materials, fire extinguishers, etc., in case of leakage or fire, etc., they can respond immediately. Escorts also need professional training, know emergency methods, and take careful care along the way to ensure that dicyandiamine is safe during transportation. Only in this way can we maintain the safety of storage and transportation, avoid accidents, and protect the safety of people, property, and the environment.