Ethyl 4h Thieno 3 2 B Pyrrole 5 Carboxylate
pyridine pyrrole pyrazine piperidine piperazine

Ethyl 4H-thieno[3,2-b]pyrrole-5-carboxylate

    Specifications

    HS Code

    488231

    Chemical Formula C9H7NO2S
    Molecular Weight 193.22
    Appearance Solid (usually)
    Odor Typically faint, organic odor
    Melting Point Specific value would require experimental determination
    Boiling Point Specific value would require experimental determination
    Solubility In Water Low solubility
    Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, chloroform
    Density Specific value would require experimental determination
    Pka Specific value would require experimental determination
    Stability Stable under normal conditions, but may react with strong oxidizing or reducing agents

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    General Information
    Where to Buy Ethyl 4H-thieno[3,2-b]pyrrole-5-carboxylate in China?
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    Frequently Asked Questions

    As a leading Ethyl 4H-thieno[3,2-b]pyrrole-5-carboxylate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What is the main use of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate?
    Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate is one of the organic compounds. It has a wide range of uses and is often used as a key intermediate in the field of organic synthesis.
    In the field of medicinal chemistry, this compound is of great significance. Due to its unique chemical structure, or through specific reaction steps, a complex molecular structure with biological activity can be constructed. In the process of many drug development, such intermediates are often used to synthesize target drug molecules. By modifying its structure, or obtaining compounds with high affinity and selectivity for specific disease targets, paving the way for new drug creation.
    In the field of materials science, it also has its uses. It can be chemically converted to prepare materials with specific photoelectric properties. For example, it may be able to participate in the construction of conjugated polymer systems. Such polymers exhibit excellent charge transport and luminescence properties in optoelectronic devices such as organic Light Emitting Diodes (OLEDs) and organic solar cells, thereby improving device efficiency and stability.
    In addition, in the fine chemical industry, ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate can be used to synthesize high-end fine chemicals, such as special fragrances, dyes, etc. Because of its unique properties endowed by its structure, it may bring unique properties and quality to the product to meet the market demand for high-quality fine chemicals. In short, ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate plays an indispensable role in many chemical-related fields and plays an important role in promoting technological development and innovation in various fields.
    What are the synthesis methods of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate
    Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate is an important organic compound, and there are many synthesis methods, which are selected and described below.
    One is to use sulfur-containing heterocycles and nitrogen-containing compounds as starting materials. First, take an appropriate thiophene derivative, whose structure needs to contain an activity check point that can be further reacted, and meet the pyrrole derivative. Under suitable reaction conditions, such as a specific solvent environment (such as aprotonic polar solvents, such as N, N-dimethylformamide, etc., which can promote the dissolution and interaction of reactants), and accompanied by suitable catalysts (or metal catalysts, such as some transition metal salts, can effectively reduce the activation energy of the reaction and accelerate the reaction process), the two are condensed to gradually build the basic skeleton of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate. In this process, the reaction temperature and time need to be precisely controlled. If the temperature is too high or too low, if the time is too long or too short, side reactions may occur, or the reaction is incomplete, which affects the yield and purity of the product.
    The second method can start from carboxylic acid esters. Select carboxylic acid esters with suitable substituents and react with sulfur and nitrogen-containing reagents in a carefully prepared reaction system. This system may require the introduction of basic substances to adjust the pH of the reaction and promote the reaction to generate the target product. Through clever design of the reaction steps, the functional groups interact in the expected way. After multiple steps, the synthesis of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate is finally achieved. In the meantime, the separation and purification operation after each step of the reaction is very critical. Methods such as column chromatography and recrystallization can be used to ensure the purity of the intermediate and final product, laying a good foundation for subsequent reactions.
    There are also those who use cyclization reaction as a strategy. Prepare precursor compounds containing cyclized structural units, and use the reactivity check point in the molecule to initiate cyclization under specific conditions. Or provide the energy required for the reaction by light, heat, etc., so that the chemical bonds in the molecule are rearranged and cyclized, thereby forming the unique cyclic structure of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate. This path requires fine design of the structure of the precursor compound to ensure the efficiency and selectivity of the cyclization reaction and avoid the formation of excessive isomeric products.
    What are the physicochemical properties of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate
    Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate is an organic compound. The physicochemical properties of this substance are as follows:
    From the perspective of view, it is often in a solid state. As for the color, it may be white to light yellow powder, or it may be crystalline. This varies depending on the preparation method and purity. The melting point of
    is quite important. Its melting point is within a certain range, about [specific melting point range]. This property is very useful for identification and purification, and can be accurately measured by melting point testers. The boiling point of
    is also a key property. Under specific pressure conditions, its boiling point is about [specific boiling point]. The boiling point depends on the setting of its distillation separation and reaction conditions. In terms of solubility, it has good solubility in organic solvents such as dichloromethane, chloroform, and N, N-dimethylformamide (DMF), but poor solubility in water. This characteristic is derived from its molecular structure, which contains sulfur heterocycles and ester groups, making it hydrophobic to a certain extent. The intermolecular force of the organic solvent is adapted to the compound, so it is soluble.
    In terms of stability, it is quite stable at normal temperature and pressure. However, in the case of strong acids, strong bases or high temperature environments, it is easy to react chemically. In case of strong bases, ester groups can be hydrolyzed to obtain corresponding acids and alcohols; in case of strong acids, the heterocyclic structure may be affected, and reactions such as protonation occur.
    Spectral properties are also unique. In the infrared spectrum, the carbonyl group of the ester group has a strong absorption peak, which is about 1700-1750 cm. The existence of the ester group can be proved; the stretching vibration absorption peak of the carbon-hydrogen bond is between 2800-3000 cm. The hydrogen and carbon spectra of nuclear magnetic resonance show characteristic peaks according to the different chemical environments of each hydrogen and carbon atom, which help to determine the molecular structure and the connection mode of each atom.
    What is the price range of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate in the market?
    Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate is a special organic compound. However, its price range is difficult to determine above the market. Due to price fluctuations, it is often influenced by many factors.
    First, the price of raw materials fluctuates, which has a great impact on its selling price. If the price of raw materials required for the synthesis of this compound may rise or fall due to production, origin, season, etc., the cost of this compound will also change, resulting in market price instability.
    Second, the difficulty of the preparation process is closely related to the cost. If the preparation of Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate requires cumbersome processes, expensive equipment or special technologies, the production cost will be high, and the market price will increase accordingly; on the contrary, the process is simple, the cost and price may be reduced.
    Third, the market supply and demand situation is also the key. If the market demand for this compound is strong and the supply is limited, the price tends to rise; if the supply exceeds the demand, the price may decline.
    Fourth, different merchants will set different prices due to differences in business strategies, cost control, brand effect, etc. Generally speaking, the price of this compound may fluctuate greatly in the market due to the above factors, and it is difficult to give an exact price range.
    What are the storage conditions for Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate
    Ethyl 4H - thieno [3,2 - b] pyrrole - 5 - carboxylate is an organic compound, and its storage conditions are quite important. This compound should be stored in a cool, dry and well-ventilated place. Because it may be sensitive to light, heat and moisture, it is necessary to avoid direct light and high temperature environments. If exposed to light, or cause luminescent chemical reactions, its structure changes and quality are damaged; high temperature may also promote its decomposition or accelerate chemical reactions, reducing its stability.
    In addition, moisture is also important to guard against. Moisture may cause the compound to absorb moisture and initiate reactions such as hydrolysis, which affect its purity and chemical properties. Therefore, when storing, it is advisable to use a sealed container, which can be filled with inert gases such as nitrogen to further isolate air and moisture. At the same time, the storage area should be kept away from fire sources, oxidants, etc., to prevent fire or violent chemical reactions. In addition, it should be clearly marked, indicating the name of the compound, storage conditions and precautions, etc., in order to access and manage, to ensure that it remains stable during storage and the quality is not affected. In this way, Ethyl 4H-thieno [3,2-b] pyrrole-5-carboxylate can be properly stored for subsequent experiments or production needs.