4 Hydroxy 7 Methoxyquinoline 3 Carboxylic Acid
Quinoline Thiophene Imidazole Thiazole
4-Hydroxy-7-methoxyquinoline-3-carboxylic acid
Chemical Formula C11H9NO4
Molar Mass 219.194 g/mol
Appearance Solid (predicted)
Boiling Point Estimated high, due to aromatic and polar groups
Solubility In Water Low, due to hydrophobic aromatic ring and limited H - bonding ability to water
Solubility In Organic Solvents Soluble in polar organic solvents like DMSO, DMF, due to polar functional groups
Pka Carboxylic acid pKa around 3 - 5, phenolic - OH pKa around 9 - 11
Density Estimated based on similar compounds, around 1.3 - 1.5 g/cm³
Uv Absorption Absorption in UV region due to aromatic chromophore
FAQ

What are the chemical properties of 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid?

4-Hydroxy-7-methoxyquinoline-3-carboxylic acid, this is an organic compound with unique chemical properties. It is acidic and contains a carboxyl group (-COOH). Under suitable conditions, protons can be released, showing acidic characteristics, and can neutralize with bases to generate corresponding carboxylic salts and water.

This compound contains hydroxyl (-OH) and methoxy (-OCH). Hydroxyl groups can participate in the formation of hydrogen bonds and have a great impact on the physical and chemical properties of compounds, such as melting point, boiling point and solubility. Methoxy groups are the power supply groups, which can affect the distribution of molecular electron clouds, and then have an effect on their reactivity.

Furthermore, the quinoline ring endows this compound with a unique conjugated system, which makes it have certain stability and special electronic properties. The conjugated system can participate in the electron transfer process and act as an electron receptor or donor in some chemical reactions.

In terms of solubility, in view of the polarity of carboxyl and hydroxyl groups in the molecule and the relative non-polarity of the quinoline ring, this compound may be slightly soluble in water, but soluble in some organic solvents, such as ethanol, dichloromethane, etc.

Its chemical properties are active and can participate in a variety of reactions. Carboxyl groups can be esterified to form ester compounds with alcohols under the action of catalysts. Hydroxyl groups can also participate in substitution reactions, etc. The position on the quinoline ring can undergo electrophilic substitution reactions due to the difference in electron cloud density, such as halogenation, nitrification, etc.

In short, 4-hydroxy-7-methoxyquinoline-3-carboxylic acids exhibit various chemical properties due to their functional groups and quinoline ring structures, and may have potential application value in organic synthesis, pharmaceutical chemistry and other fields.

What are the main applications of 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid?

4-Hydroxy-7-methoxyquinoline-3-carboxylic acid, which is useful in many fields such as medicine and chemical industry.

In the field of medicine, it is the key raw material for the synthesis of many specific drugs. Gainquinoline compounds have various biological activities, such as antibacterial, anti-inflammatory, anti-tumor, etc. 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid can be chemically modified and connected to different functional groups to fit specific drug targets, and then create new antibacterial drugs, which may work wonders against drug-resistant bacterial infections; in the research and development of anti-tumor drugs, or with its unique structure, targeted anti-tumor agents can be designed, contributing to the solution to cancer problems.

In the chemical industry, it can be used as an intermediary for organic synthesis. With its own active groups, it participates in the construction of a variety of complex organic compounds. During dye synthesis, the reaction path is rationally designed, which may endow the dye with unique properties, such as better light resistance and washing resistance. It can also assist in the research and development of new materials. For example, in the synthesis of functional polymer materials, as a special monomer, it imparts specific physical and chemical properties to the material, such as conductivity and optical activity, so as to meet the needs of high-end fields such as electronics and optics.

From this perspective, although 4-hydroxy-7-methoxyquinoline-3-carboxylic acid is an organic compound, it has great potential in the fields of medicine, chemical industry and other fields, and is an important substance to promote the development of related fields.

What is the synthesis method of 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid?

The synthesis of 4-hydroxy-7-methoxyquinoline-3-carboxylic acid is a subject of considerable research value in the field of organic synthesis. The synthesis method often follows a number of paths.

First, it can be started from the quinoline parent with a specific substituent. First, the quinoline ring is constructed by condensation reaction from suitable raw materials. For example, the corresponding aniline derivative and the carbonyl-containing compound are condensed under suitable catalyst and reaction conditions to obtain the quinoline skeleton. During this process, the reaction temperature, pH and the ratio of the reactants need to be carefully adjusted to make the reaction proceed smoothly and ensure the purity and yield of the product. < Br >
Then, the specific substituent of the target product is introduced. To obtain the substitution of 4-hydroxy-7-methoxy, appropriate hydroxylating reagents and methoxylating reagents can be selected after the formation of the quinoline ring. When hydroxylating, the hydroxylation method commonly used in phenolic compounds can be considered to introduce hydroxyl groups at the 4 position of the quinoline ring through electrophilic substitution and other reactions. The introduction of the 7-position methoxy group can be carried out by nucleophilic substitution reaction with methoxy-containing reagents, such as iodomethane, under the catalysis of alkali, to introduce the methoxy group into the predetermined position.

Second, or gradually build molecules from more basic raw materials. Starting with a simple compound containing nitrogen and carbon, the prototype of the quinoline ring is formed through a multi-step reaction, and then 4-hydroxy and 7-methoxy groups are introduced in sequence, and finally 4-hydroxy-7-methoxy quinoline-3-carboxylic acid. Although there are many steps in this path, if the reaction of each step is precisely controlled, satisfactory results can be obtained.

Furthermore, when synthesizing 3-carboxyl groups, the carboxyl groups can be introduced into the third position of the quinoline ring at a suitable stage with carboxylation reagents, such as carbon dioxide, under a specific catalytic system. This step also requires careful consideration of the reaction conditions to avoid adverse effects on the formed substituents.

In short, the synthesis of 4-hydroxy-7-methoxyquinoline-3-carboxylic acid requires careful selection of appropriate synthesis paths based on the actual availability of raw materials, the operability of reaction conditions, and the requirements for product purity and yield, and detailed optimization of each step of the reaction to achieve the expected synthesis goal.

What is the market outlook for 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid?

The following is a reply to this question:

#4-Hydroxy-7-methoxyquinoline-3-carboxylic acid market prospect analysis

4-Hydroxy-7-methoxyquinoline-3-carboxylic acid has a unique position and development prospects in the market.

From the application field, it has certain value in the pharmaceutical and chemical industry. In terms of drug research and development, its special chemical structure makes it possible to become a key intermediate for a variety of new drugs. With the growing demand for the treatment of various diseases, drugs developed on the basis of 4-hydroxy-7-methoxyquinoline-3-carboxylic acid may show potential in the fields of antibacterial, antiviral and even anti-cancer, which creates a broad market space for it.

In the field of pesticides, the compound may also be used as a raw material for the synthesis of new pesticides, helping agricultural production to cope with the threat of pests and diseases and meet the growing demand for green and efficient pesticides.

However, its market development also faces some challenges. On the one hand, the complexity of the synthesis process may lead to high production costs, affecting its large-scale marketing activities. On the other hand, the market competition is more intense, and similar or alternative products may pose a threat to its market share.

Overall, 4-hydroxy-7-methoxyquinoline-3-carboxylic acid has certain market prospects due to its potential application value in the fields of medicine and pesticides. But to fully tap its market potential, it is necessary to solve key issues such as synthesis costs and improve competitiveness through technological innovation and optimization of production processes.

What are the precautions for 4-Hydroxy-7-methoxyquinoline-3-carboxylic acid in the production process?

4-Hydroxy-7-methoxyquinoline-3-carboxylic acid is used in the production process, and many matters need careful attention.

Bearing the brunt, the selection of raw materials is crucial. The purity and quality of raw materials are directly related to the quality of the product. It is necessary to strictly select high-quality raw materials, carefully observe their sources and characteristics, and must not choose inferior materials at a low price, otherwise the impurities of the product will increase, and the quality will not meet the standard.

The control of reaction conditions cannot be ignored. Factors such as temperature, pressure, and reaction time have a significant impact on the reaction process and product yield. If the temperature is too high, or the side reactions occur frequently, the purity of the product will decrease; if the temperature is too low, the reaction rate will be slow and time-consuming. Therefore, it is necessary to precisely control the reaction conditions, determine the best parameters according to the reaction characteristics and past experience, and monitor and adjust in real time with the help of precision instruments.

Furthermore, the choice of solvent is also exquisite. A suitable solvent can not only promote the dissolution and dispersion of the reactants, but also affect the reaction rate and selectivity. The solubility, chemical properties of the reactants and products, as well as the cost and toxicity of the solvent should be considered comprehensively, and the choice should be made carefully.

During the operation process, the skills and standard operation of the operator are indispensable. Operators must be professionally trained, familiar with the process and operation points, and act in strict accordance with the operating procedures to avoid safety accidents and quality problems caused by improper operation.

Post-treatment process should not be underestimated. The separation and purification of the product is related to the quality of the final product. Appropriate separation methods, such as crystallization, extraction, chromatographic separation, etc., need to be selected to effectively remove impurities and improve the purity of the product.

In addition, safe production must not be forgotten. The production process of this compound may involve toxic, harmful, flammable and explosive chemicals, so it is necessary to strengthen safety management, equip complete safety facilities and protective equipment, and formulate emergency plans to ensure the safety of the production environment.