4 Hydroxy 7 Chloroquinoline 3 Caroboxylic Acid
Quinoline Thiophene Imidazole Thiazole
4-Hydroxy-7-chloroquinoline-3-caroboxylic acid
Name 4-Hydroxy-7-chloroquinoline-3-carboxylic acid
Chemical Formula C10H6ClNO3
Molar Mass 223.61 g/mol
Appearance Solid (usually a powder)
Solubility In Water Low (due to hydrophobic aromatic ring and relatively polar functional groups)
Solubility In Organic Solvents May be soluble in polar organic solvents like DMSO, DMF
Pka For Carboxyl Group Typical carboxylic acid pKa around 4 - 5
Pka For Phenolic Oh Typical phenolic pKa around 9 - 10
Stability Stable under normal conditions, but may decompose on heating or in the presence of strong acids/bases
FAQ

What is the chemistry of 4-Hydroxy-7-chloroquinoline-3-caroboxylic acid?

4-Hydroxy-7-chloroquinoline-3-carboxylic acid, this is an organic compound. Its properties are also acidic, because it contains carboxyl groups (-COOH), it can release protons under suitable conditions.

In terms of solubility, it may have a certain solubility in polar solvents. Both carboxyl and hydroxyl groups are polar and can interact with polar solvent molecules. However, the specific solubility varies depending on the type of solvent and temperature.

In terms of chemical activity, both hydroxyl and carboxyl groups are active functional groups. Hydroxyl groups can participate in reactions such as esterification and etherification; carboxyl groups can undergo esterification and salt formation. The presence of the quinoline ring endows the compound with certain aromaticity and stability. However, because the chlorine atom is attached to the quinoline ring, its electronic effect may affect the reactivity and selectivity of the compound.

In chemical reactions, it can be used as a synthetic intermediate. By chemically modifying carboxyl, hydroxyl and chlorine atoms, it can prepare various derivatives with specific functions, which are used in medicine, pesticides and other fields.

And because its structure contains multiple reactive check points, the reaction sequence and conditions should be properly considered when designing the synthetic route to achieve the expected product structure and purity.

What are the common synthesis methods of 4-Hydroxy-7-chloroquinoline-3-caroboxylic acid?

The common synthesis methods of 4-hydroxy-7-chloroquinoline-3-carboxylic acids are of interest in the field of organic synthesis. There are several common synthesis paths.

One is to use a suitable quinoline derivative as the starting material. Or choose a quinoline containing the desired substituent and react with hydroxylation and chlorination at a specific check point. First, under suitable reaction conditions, a hydroxyl group is introduced at the corresponding position of the quinoline ring with an appropriate hydroxylation reagent. This hydroxylation reaction may need to consider the influence of the reaction solvent, temperature and catalyst. Thereafter, chlorine atoms are introduced at specific positions by means of chlorination. In the chlorination step, the choice of chlorination reagents is very critical. Different chlorination reagents have different reactivity and selectivity. It is also necessary to pay attention to the influence of reaction conditions on the structure and purity of the product.

Second, the strategy of gradually constructing quinoline rings can be adopted. First, small molecules with corresponding functional groups are used as raw materials to construct quinoline rings through multi-step reactions. At the same time, hydroxyl, chlorine atoms and carboxyl groups are ingeniously introduced during the construction process. For example, aniline compounds and carbonyl-containing compounds are used as starting materials to form quinoline ring skeletons through condensation, cyclization and other reactions. During the cyclization reaction, the desired substituents can be selectively introduced at the reaction check point by controlling the reaction conditions. The introduction of the carboxyl group can be achieved in the subsequent step by a suitable carboxylation reaction. During the reaction process, the intermediate products of each step of the reaction need to be separated and purified to ensure the purity of the final product.

Third, the reaction is catalyzed by transition metals. Transition metal catalysts can effectively promote the formation and transformation of various chemical bonds. For example, using palladium-catalyzed cross-coupling reactions, reagents containing hydroxyl groups and chlorine atoms can be coupled with quinoline derivatives or intermediates for constructing quinoline rings to achieve the synthesis of target molecules. This method requires precise selection of catalysts, ligands and reaction conditions to improve the efficiency and selectivity of the reaction and reduce the occurrence of side reactions. < Br >
Synthesis of 4-hydroxy-7-chloroquinoline-3-carboxylic acid requires careful selection of appropriate synthesis methods based on various factors such as the availability of starting materials, the difficulty of controlling reaction conditions, and the purity requirements of the target product.

Where is 4-Hydroxy-7-chloroquinoline-3-caroboxylic acid used?

4-Hydroxy-7-chloroquinoline-3-carboxylic acid, which is useful in various fields. In the field of medicine, it is a key raw material for the synthesis of drugs. Due to the uniqueness of the quinoline structure, it is endowed with various biological activities. Or by modifying the carboxylic acid, antibacterial and anti-inflammatory medicines can be developed, helping to cure many diseases and protect people's health.

In the field of materials science, it also has a promising reputation. Based on this carboxylic acid, materials with special optical and electrical properties can be synthesized. After specific processing processes, substances that are sensitive to light and electricity may be prepared, and may have important applications in optoelectronic devices, such as Light Emitting Diodes, sensors, etc., to promote the development and innovation of this field.

In the field of agricultural chemistry, 4-hydroxy-7-chloroquinoline-3-carboxylic acid is also useful. It can be used as a starting material for the synthesis of new pesticides. With its structural characteristics, it is expected to develop high-efficiency and low-toxicity pesticides, which can not only effectively control pests and diseases, ensure the yield and quality of crops, but also reduce the harm to the environment, and meet the development needs of today's green agriculture.

In summary, 4-hydroxy-7-chloroquinoline-3-carboxylic acid has potential value in many fields such as medicine, materials science, and agricultural chemistry, and it is a chemical substance that cannot be ignored.

What is the market price of 4-Hydroxy-7-chloroquinoline-3-caroboxylic acid?

I look at your question, but I am inquiring about the market price of 4-hydroxy-7-chloroquinoline-3-carboxylic acid. However, the price of this chemical is difficult to sum up in a single word. The price of this chemical is influenced by many factors, which cannot be ignored.

First, the price of raw materials is very related. If the raw materials for preparing this acid are widely sourced and affordable, the cost of the product will also decrease, and the price may decrease; conversely, if the raw materials are scarce, or the price rises due to weather, geographical location, and man-made reasons, the price of this acid will also rise.

Second, the complexity of the process has a significant impact. If the preparation method is simple, the energy consumption is low, and the yield is high, the cost is controllable, and the market price is also competitive; if the process is complicated, special equipment is required, harsh conditions are required, and the yield is not high, in order to ensure profitability, the price will be higher.

Third, market supply and demand, the key lies. If there are many people, but there are few producers, and the supply exceeds the demand, the price will rise; if the supply exceeds the demand, merchants will sell their goods, or compete to reduce the price to compete for the market.

Fourth, the difference in quality is also a factor. High-purity, high-quality products, or used in high-end scientific research, pharmaceuticals and other fields, are expensive; while those with lower quality are mostly used in general industries, and the price is lower.

Looking at "Tiangong Kaiwu", although it is detailed in various processes, there is no direct reference to the price of chemicals today. In today's world, science and technology are new, the market is changeable, and it is not comparable in ancient times. Therefore, in order to know the exact price of 4-hydroxy-7-chloroquinoline-3-carboxylic acid, it is necessary to carefully observe the dynamics of the chemical market, consult suppliers, traders, or refer to professional chemical information platforms, to obtain a more accurate number. It is difficult to determine based on speculation.

How is the stability of 4-Hydroxy-7-chloroquinoline-3-caroboxylic acid?

The stability of 4-hydroxy-7-chloroquinoline-3-carboxylic acid is related to many aspects, and the structure of this compound is really worth exploring.

This compound contains functional groups such as hydroxyl groups, chlorine atoms and carboxyl groups. Hydroxyl groups have certain reactivity and are prone to hydrogen bonding with others. Under suitable conditions, it may form a hydrogen bond network with surrounding molecules, which has a significant impact on its stability. If there are substances in the environment that can form strong hydrogen bonds with them, their stability may be enhanced; conversely, if there are factors that destroy hydrogen bonds, the stability may be damaged. < Br >
Chlorine atoms attached to quinoline rings are relatively stable, but due to their electronegativity, they can affect the distribution of molecular electron clouds, which in turn affects the stability of the whole molecule. The induction effect of chlorine atoms, or the change of electron cloud density of neighboring atoms, affects the chemical reaction activity, and this is also one of the factors affecting its stability.

Furthermore, carboxyl groups are acidic functional groups, which exist in different forms under different pH environments. In acidic environments, carboxyl groups exist in the form of -COOH; in alkaline environments, they are easily dissociated to -COO. The change of this existence form has a great impact on the stability of compounds. Under alkaline conditions, the carboxyl group dissociates into negative ions, and the charge dispersion makes the molecule more stable; in acidic environments, the protonation of carboxyl groups or the change of intermolecular interactions affect the stability.

In addition, physical factors such as temperature and humidity in the environment in which the compound is located cannot be ignored. High temperature or molecular thermal motion intensifies, increasing the possibility of chemical bond breakage within the molecule, which impairs the stability; in high humidity environments, water molecules or participate in chemical reactions of compounds, or affect their crystal structure, which adversely affects the stability.

In summary, the stability of 4-hydroxy-7-chloroquinoline-3-carboxylic acid is influenced by many factors such as its own functional group characteristics, environmental pH and physical conditions. Comprehensive consideration is required to gain a deeper understanding of its stability.