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What is the main use of 2- (Carbomethoxyamino) benzimidazole?
2-%28Carbomethoxyamino%29benzimidazole is 2 - (methoxycarbonyl amino) benzimidazole, which has a wide range of uses.
First, in the field of pharmaceutical research and development, it can be used as a key intermediate. It can be chemically modified and reacted to derive a variety of compounds with biological activities, or can be used to create new drugs, such as therapeutic drugs for specific diseases. Geinbenzimidazole structures often have unique biological activities. By introducing methoxycarbonyl amino groups, its activity and selectivity can be fine-tuned to meet the needs of pharmaceutical applications.
Second, in the field of agricultural chemistry, it also has important uses. Or can participate in the preparation of agricultural chemicals, such as fungicides, insecticides, etc. With its special structure, it may inhibit or kill some crop diseases and pests, thus assisting agricultural production and improving crop yield and quality.
Third, in the field of organic synthesis, it is an important structural unit. Chemists can use it to construct more complex organic molecular structures and enrich the types of organic compounds. Using its specific reactivity check point, many organic reactions can be carried out and the ways and methods of organic synthesis can be expanded.
In short, 2 - (methoxycarbonylamino) benzimidazole plays an important role in many fields such as medicine, agriculture and organic synthesis, and promotes the development of related industries.
2- (Carbomethoxyamino) benzimidazole
2-% (Carbomethoxyamino) benzimidazole, that is, 2 - (methoxycarbonyl amino) benzimidazole, the synthesis method is as follows:
First, it can be started from o-phenylenediamine. The reaction of o-phenylenediamine with methyl chloroformate in a suitable solvent (such as dichloromethane, N, N-dimethylformamide, etc.) under mild alkaline conditions. The base can be selected from potassium carbonate, sodium carbonate, etc., and the reaction temperature is controlled between 0-30 ° C. The nitrogen atom of an amino group in o-phenylenediamine conducts a nucleophilic attack on the carbonyl group of methyl chloroformate, and the chloride ion leaves to form an intermediate. Then it undergoes an intramolecular cyclization reaction to finally produce the target product 2 - (methoxycarbonyl amino) benzimidazole. The raw materials of this method are relatively easy to obtain, the reaction conditions are relatively mild, the operation is relatively simple, and the yield is relatively impressive.
Second, 2-nitroaniline is used as the starting material. First, 2-nitroaniline is converted into 2-aminoaniline through a reduction reaction. Commonly used reducing agents include iron powder, zinc powder, etc. for reduction in acidic medium. After obtaining 2-aminoaniline, it reacts with methyl chloroformate in basic conditions and solvent systems similar to the above, and obtains the product through nucleophilic substitution, cyclization and other steps. However, this route has more reduction steps and the process is slightly longer, but in some cases, the cost advantage of raw materials or the stability of intermediate products make it also have certain application value.
Third, benzimidazole-2-one can also be used. Let benzimidazole-2-one react with methoxylamine hydrochloride in the presence of appropriate condensing agents (such as carbodiimides, such as dicyclohexyl carbodiimide DCC, etc.) and bases (such as triethylamine, etc.). The carbonyl group of benzimidazole-2-one and the amino group of methoxylamine hydrochloride undergo condensation reaction to remove a molecule of water and generate 2- (methoxy carbonyl amino) benzimidazole. This approach utilizes the active carbonyl group of benzimidazole-2-one, and the reaction selectivity is good, but the price of some condensers is higher, which may affect the cost of large-scale production.
2- (Carbomethoxyamino) benzimidazole market prospects
2-%28Carbomethoxyamino%29benzimidazole, that is, 2 - (methoxycarbonyl amino) benzimidazole, the market prospect of this substance is really a phenomenon to be observed in the changing sea of commerce. Looking at the current field of pharmaceutical chemistry, many new drug research and development and fine chemical preparation, there is often a demand for such heterocyclic compounds containing specific functional groups.
At the end of pharmaceutical research and development, benzimidazole compounds have many biological activities, such as antibacterial, antiviral, anti-tumor, etc. 2 - (methoxycarbonyl amino) benzimidazole may be modified and optimized by structure, and enter the way of new drug creation to meet the unmet clinical needs. This is a great addressable market opportunity.
Looking at the chemical industry, the manufacture of fine chemicals often requires such intermediates to synthesize high-end coatings, dyes and special polymers. The uniqueness of its structure may endow end point products with specific properties, such as improving the weather resistance of coatings and the color stability of dyes.
However, its market prospects are not smooth. The high cost of research and development is the first problem. From laboratory synthesis to industrial production, it needs to go through many tests and considerable capital investment. Furthermore, increasingly stringent regulations, cumbersome approval processes for new drugs, and tighter environmental protection requirements for chemical products are all obstacles to progress.
However, despite the difficulties, if we can grasp the key to technological innovation, break the bottleneck of the synthesis process, reduce production costs, and meet legal requirements, 2- (methoxycarbonylamino) benzimidazole may gain a place in the pharmaceutical and chemical markets and create a new situation.
What are the physicochemical properties of 2- (Carbomethoxyamino) benzimidazole
2-%28Carbomethoxyamino%29benzimidazole is 2- (methoxycarbonylamino) benzimidazole, the physical properties are as follows:
Its shape is mostly white to off-white crystalline powder, which looks like fine snow, fine and uniform. Its melting point is quite critical, the melting point is about 178 - 182 ℃, when the temperature is at this point, such as ice and snow melting, from solid state to liquid state, this property is very important in discrimination and purification.
In terms of solubility, it varies in common organic solvents. In dichloromethane, N, N-dimethylformamide, it has good solubility, just like salt melting in water, it can be evenly dispersed in it; while in water and petroleum ether, it has poor solubility, like oil floating in water, it is difficult to blend.
In terms of stability, under normal circumstances, if stored in a cool and dry place away from light, it can maintain stability. In case of strong acid and alkali, the structure is easily damaged, such as stone corroded by strong acid. Its molecular structure contains benzimidazole parent nucleus and methoxycarbonyl amino group, which endows it with unique chemical activity and can participate in a variety of chemical reactions, such as substitution with nucleophiles, similar to relay transfer, and the derivation of various compounds. It is widely used in the field of organic synthesis. It may be a potential active ingredient in pharmaceutical chemistry. After modification, it is expected to become a special medicine, and it is also like a brick and stone. It has been carved into a magnificent treasure.
2- (Carbomethoxyamino) benzimidazole What are the precautions during use
2-%28Carbomethoxyamino%29benzimidazole, it is a chemical substance. In the process of use, all precautions need to be paid attention to in detail.
The first to bear the brunt, safety protection must be comprehensive. This substance may be toxic and irritating, so protective equipment is essential when operating. Operators should wear protective clothing, protective gloves and goggles to prevent skin contact and splashing into the eyes. If inadvertently touched, rinse with plenty of water immediately and seek medical treatment according to the specific situation.
Furthermore, storage is also exquisite. It should be stored in a cool, dry and well-ventilated place, away from fire and heat sources, and avoid mixing with oxidants, acids, etc., to prevent dangerous chemical reactions.
The use environment should also not be ignored. The operation should be carried out in the fume hood to ensure air circulation, so as to reduce the risk of harmful gas accumulation and reduce the harm to the health of the operator.
At the same time, the dosage must be precisely controlled. It is necessary to strictly follow the specified dosage according to the purpose of the experiment or production requirements, and must not be increased or decreased at will, so as not to affect the experimental results or product quality, and to avoid safety problems caused by excessive use.
In addition, its chemical properties should be deeply understood. Knowing its stability and reaction characteristics with other substances can avoid improper operation during use and prevent accidents.
In short, when using 2-%28Carbomethoxyamino%29benzimidazole, the above precautions should be fully paid attention to and operated with caution to ensure the smooth progress of safety and experimentation and production.