3-(5-Chloro-2-Methyl-1,3-Benzoxazol-3-Ium-3-Yl)Propane-1-Sulfonic Acid

3- (5-alkane-2-methyl-1,3-benzoxazole-3-ketone-3-yl) nitrile-1-carboxylic acid, this compound is in the category of "Tiangong Kaiwu", although it is difficult to find its exact correspondence, its use can be inferred from the perspective of ancient technology.
In ancient times, organic compounds were often associated with various processes. From a pharmaceutical point of view, some compounds containing specific structures can be used in medicine by extraction, processing and other means. This compound has a complex structure, and structural units such as benzoxazole may have potential medicinal activities. Ancient doctors may try to use it as medicine, through traditional pharmaceutical processes such as boiling and grinding, to explore its efficacy on diseases, or to relieve pain, treat sores, etc.
In dyeing, some organic compounds can be used as natural dye sources. The structural characteristics of this compound may make it have dyeing properties. The ancients may have converted it into dyes through extraction, fermentation, etc., which were used for fabric dyeing to give fabrics unique colors and patterns.
In addition, in the preparation of ancient fragrances, compounds with unique structures may provide special aromas. This compound may become one of the fragrance ingredients after being prepared, distilled and other fragrance production processes, and can be used for incense, sachet production, etc., to add the aroma of life. Although it is not directly recorded in "Tiangong Kaiwu", based on the ancient wisdom of natural material utilization, it may have applications in medicine, dyeing, fragrances and other fields.

To prepare 3- (5-cyano- 2-methyl-1,3-benzoxazole-3-yl) propionitrile-1-sulfonic acid, the following ancient method can be used:
Take a suitable reaction vessel first, wash and dry it. Prepare the required raw materials, namely 5-cyano- 2-methyl-1,3-benzoxazole-3-yl related reactants, propionitrile and reagents containing sulfonic acid groups, etc. The purity and quality of the raw materials must be guaranteed.
In a container, put 5-cyanogen-2-methyl-1,3-benzoxazole-3-based reactants and propionitrile in an appropriate ratio, and dissolve them in an organic solvent. The selected organic solvent needs to have good solubility to the reactants and does not participate in side reactions, such as dichloromethane, N, N-dimethylformamide, etc., and stir well to make the two fully contact.
Then, under the appropriate temperature and reaction conditions, slowly add the reagent containing the sulfonic acid group. Temperature control is very critical. Generally, the reaction can be started in a low temperature environment, such as 0 ° C to 5 ° C, and then appropriately heated according to the reaction process. At the same time, the reaction progress needs to be closely monitored, which can be observed by means of thin layer chromatography (TLC).
After the reaction is basically completed, the characteristics of the product can be seen, and the separation and purification can be carried out by suitable methods. If the solubility of the product and other substances in the reaction system is significantly different, the method of extraction can be used, and a suitable extractant can be selected. The product can be extracted to the organic phase, and then the product can be preliminarily enriched by drying and concentration. After that, according to the properties of the product, column chromatography, recrystallization method, etc. can be used for further purification to obtain high-purity 3- (5-cyanogen-2-methyl-1,3-benzoxazole-3-yl) propionitrile-1-sulfonic acid.
When operating, it is necessary to strictly abide by safety procedures. Because some reactants may be toxic, corrosive, and organic solvents are flammable, they need to be operated in a well-ventilated environment to properly handle waste to ensure safety and environmental protection.

3- (5-cyano-2-methyl-1,3-benzodioxazole-3-yl) propionitrile-1-sulfonic acid, the physical properties of this compound are as follows:
Appearance, often white to off-white solid powder. This form is easy to store and transport, and is also conducive to dispersion and participation in various chemical reaction systems.
In terms of solubility, it exhibits a certain solubility in organic solvents, such as common ethanol, acetone, etc. This property makes it possible to build a homogeneous reaction environment with the help of these organic solvents in organic synthesis reactions, promoting the reaction to proceed more efficiently. However, the solubility in water is relatively low, which is mainly due to the large proportion of hydrophobic groups in its molecular structure, and it is difficult to form effective interactions with water molecules.
Melting point, after accurate determination, is about a specific temperature range. The melting point is an important physical constant of the substance, which is of great significance for the purity identification of the compound. If its purity is high, the melting point range will be relatively narrow and close to the theoretical value; if it contains impurities, the melting point will be reduced and the melting range will be wider.
In terms of stability, under conventional environmental conditions, it has certain chemical stability. However, when exposed to high temperatures, strong acids and bases, or specific oxidants and reducing agents, some chemical bonds in its molecular structure will become active, triggering chemical reactions, resulting in structural changes and properties. For example, in a strongly acidic environment, its cyanide group may undergo hydrolysis, resulting in the loss of the original structure and properties of the compound.
These physical properties are crucial in practical applications. For example, in the field of drug synthesis, its solubility and stability affect the process of drug preparation and the pharmacokinetic behavior of drug absorption, distribution, and metabolism in organisms; in materials science, properties such as appearance and melting point are related to whether it can be adapted to a specific material preparation process and perform the expected functions in the material.

3 - (5-alkane-2-methyl-1,3-benzoxazole-3-enyl-3-yl) nitrile-1-carboxylic acid This compound has the following chemical properties:
Properties of nitrile groups
1. ** Hydrolysis **: The nitrile group (-CN) in its molecule can be hydrolyzed under the catalysis of acid or base. Under acidic conditions, the nitrile group is first hydrolyzed to amide, and further hydrolysis produces carboxylic acid and ammonium salts. Using dilute sulfuric acid as a catalyst, when heated, the nitrile group in 3- (5-alkane-2-methyl-1,3-benzoxazole-3-ene-3-yl) nitrile-1-carboxylic acid will be gradually converted, and the amide derivative is obtained first, and finally converted into the corresponding carboxylic acid and ammonium sulfate. Under basic conditions, the nitrile group is hydrolyzed to form carboxylic salts and ammonia. For example, with sodium hydroxide solution, the carboxylic salts produced by the reaction can be acidified to obtain free carboxylic acids.
2. ** Reduction reaction **: The nitrile group can be reduced, such as under the action of strong reducing agents such as lithium aluminum hydride (LiAlH), the nitrile group can be reduced to primary amine. If the nitrile group in 3- (5-alkane-2-methyl-1,3-benzoxazole-3-ene-3-yl) nitrile-1-carboxylic acid is reduced by LiAlH, an amino-containing compound will be obtained. This reaction can change the chemical and biological activities of the molecule.
Properties of carboxyl groups
1. ** Acidic **: The carboxyl group (-COOH) is acidic, and 3- (5-alkane-2-methyl-1,3-benzoxazole-3-ene-3-yl) nitrile-1-carboxylic acid can neutralize with bases to form carboxylic salts and water. React with sodium hydroxide to form the corresponding sodium carboxylate salt. This reaction is often used to regulate the solubility of compounds. The solubility of carboxylic salts in water is often better than that of carboxylic acids.
2. ** Esterification reaction **: In the presence of a catalyst such as concentrated sulfuric acid, carboxylic groups can be esterified with alcohols to form esters and water. If it reacts with ethanol, corresponding ester compounds will be formed. Ester compounds often have a special odor and are used in the fields of fragrances. At the same time, esterification reactions can also be used to protect carboxyl groups or modify molecules.
Properties of benzoxazole rings
1. ** Aromaticity **: The benzoxazole ring is aromatic, relatively stable, not prone to addition reactions, and prone to electrophilic substitution reactions. If under appropriate conditions, halogenation, nitration, sulfonation and other reactions can occur. During halogenation, halogen atoms can replace hydrogen atoms on the benzoxazole ring, and the reaction activity and substitution position are affected by other substituents on the ring.
2. ** Complexes with metal ions **: The nitrogen and oxygen atoms in the benzoxazole ring contain lone pairs of electrons, which can complex with some metal ions to form stable complexes. This complex property may have potential applications in materials science, catalysis and other fields, which can change the optical, electrical and other properties of compounds.

I look at this question and ask the market price of 3- (5-cyanogen-2-methyl-1,3-benzoxazole-3-ene-3-yl) propane-1-carboxylic acid. However, to know its price, you need to know all the reasons.
First, the purity of this compound is very important. If the purity is very high and almost flawless, its price will be high; if it contains impurities, the price may drop.
Second, the supply and demand of the market also affect its price. If there are many people seeking this product, but there are few suppliers, the price will rise; if the supply exceeds the demand, the price may drop.
Third, the difficulty of preparation also affects. If the preparation process is complicated, time-consuming and laborious, and there are many consumables, the price will be high; if the preparation is easier, the price will be close to the people.
However, I do not know the current market situation, nor do I know its purity, supply and demand, and preparation difficulty. It is difficult to determine the price. However, you can consult the chemical raw material market, relevant trading platforms, or ask the merchants specializing in such chemicals to get a more accurate price.