5-bromo-[1,2,3]triazolo[1,5-a]pyridine

5 - bromo - [1,2,3] triazolo [1,5 - a] pyridine is an organic compound. Its physical properties are as follows:
In appearance, it is often in a solid state. However, due to the specific preparation and purification conditions, or different crystal forms, these crystal forms have a slight impact on its appearance. It is either a crystalline powder or a bulk crystal.
In terms of melting point, due to the interaction between atoms in the molecule, the way of molecular stacking, and the synergistic effect of bromine atoms and heterocyclic structures, the intermolecular force has a specific strength, and its melting point is within a specific range. However, the exact value varies slightly depending on the experimental determination conditions.
In terms of solubility, the performance of the compound in organic solvents is quite critical. Because its structure contains hydrophobic aromatic rings and nitrogen-containing heterocycles, and bromine atoms also have certain hydrophobicity, it has a certain solubility in common organic solvents such as dichloromethane, chloroform, toluene, etc. Due to the principle of similar phase dissolution. However, in water, due to the strong polarity of water contrary to the relatively weak polarity of the compound, the solubility is very small.
In terms of stability, 5-bromo - [1,2,3] triazolo [1,5-a] pyridine is relatively stable at room temperature, pressure and dry environment. In case of strong acid, strong base, or extreme conditions such as high temperature and light, the bromine atoms in the molecular structure may leave due to nucleophilic substitution reaction, or the heterocyclic structure may be rearranged due to acid-base catalysis, resulting in damage to its stability.
Volatility is extremely small, because its molecular weight is relatively large, and the intermolecular force is strong, making it difficult to volatilize to the gas phase at room temperature. This property is very important for storage and operation, because it is not easy to volatilize, reducing the loss of fugitive losses and safety risks.

5-Bromo- [1,2,3] triazolo [1,5-a] pyridine is one of the organic compounds. It has specific chemical properties and is worth exploring.
When it comes to physical properties, this substance is often in a solid state at room temperature. As for the exact melting point, it varies depending on its purity and surrounding environmental factors. It exhibits a certain solubility in common organic solvents, such as dichloromethane, N, N-dimethylformamide (DMF), etc. This property is crucial for the selection of reaction medium in the process of organic synthesis.
As for chemical properties, the bromine atom in 5-bromo- [1,2,3] triazolo [1,5-a] pyridine has high chemical activity and can participate in many nucleophilic substitution reactions. Under appropriate reaction conditions, the bromine atom can be replaced by nucleophilic groups such as hydroxyl and amino groups, resulting in a series of derivatives with different structures. This is an important way to expand its chemical application scope.
Furthermore, the [1,2,3] triazolo [1,5-a] pyridine skeleton contained in this compound has a unique electron cloud distribution, which makes it can be used as an electron receptor or donor to participate in various electron transfer reactions. It has potential application value in the field of materials science and in the construction of new optoelectronic materials. At the same time, due to the existence of nitrogen-containing heterocyclic structure, the substance may also exhibit certain biological activity, which can be used in pharmaceutical chemistry research or as a lead compound for the research and development of new drugs.

5 - bromo - [1,2,3] triazolo [1,5 - a] pyridine is an important organic compound, and its common synthesis methods are as follows.
The choice of starting materials is very critical, often starting with compounds containing pyridine structure and reagents containing bromine and which can participate in the construction of triazole rings.
One method is to react pyridine derivatives with brominated reagents, introduce bromine atoms at specific positions, and then cyclize with nitrogen-containing reagents to form triazole rings. In this process, the control of reaction conditions is crucial. Temperature needs to be precisely regulated. If it is too high or side reactions are clustered, if it is too low, the reaction rate will be slow. For example, under a certain mild heating conditions, the reactants can be fully reacted in a suitable solvent.
Furthermore, the application of catalysts can significantly improve the reaction efficiency and selectivity. Specific metal catalysts or organic bases can promote the cyclization reaction and make the reaction more efficient.
Another strategy is to construct a triazole ring first, and then introduce bromine atoms. This path needs to be carefully designed according to the selectivity of reactant activity and reaction check point.
During the synthesis process, separation and purification are also important. Column chromatography, recrystallization and other methods are commonly used to obtain high-purity target products. < Br >
The synthesis of this compound requires comprehensive consideration of factors such as raw materials, reaction conditions, catalysts, separation and purification, etc., in order to obtain it efficiently.

5-Bromo- [1,2,3] triazolo [1,5-a] pyridine, which is widely used in many fields such as medicine, pesticides and materials science.
In the field of medicine, its role is significant. Due to its unique chemical structure, it can interact with specific biological targets, and is often used as a key intermediate in the process of drug development. It can be chemically modified to build a library of structurally diverse compounds for screening specific biologically active drug molecules. Some of the drugs developed on this basis have shown good therapeutic potential for certain diseases, such as targeting specific tumor cells, inhibiting their growth and proliferation, providing a new direction for the development of anti-cancer drugs; in the exploration of drugs for the treatment of neurological diseases, it may also play a positive role in regulating neurotransmitter transmission and improving related diseases.
In the field of pesticides, 5-bromo- [1,2,3] triazolo [1,5-a] pyridine also has important value. With its specific mechanism of action on pests, it can be used to create new pesticides. It can precisely act on the specific physiological processes of pests or pathogens, such as interfering with the signal transduction of the pest's nervous system, causing behavioral disorders, paralysis and death; or inhibiting the synthesis and metabolic pathways of pathogen cell walls, thereby controlling the occurrence and spread of diseases, providing efficient, low-toxicity, and environmentally friendly pesticide options for agricultural production, helping to increase crop production and income, and ensuring the quality and safety of agricultural products.
In the field of materials science, its application cannot be ignored either. It can be used as a functional material to build a primitive, and after rational design and assembly, it gives the material unique optical, electrical or magnetic properties. For example, in organic optoelectronic materials, the introduction of this structure may improve the material's charge transport performance and luminous efficiency, and be used to fabricate high-efficiency organic Light Emitting Diodes (OLEDs), solar cells and other optoelectronic devices, promoting the continuous progress of materials science and related technologies, and injecting impetus into the development of emerging industries.

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To sum up, if you want to know the market price of this thing, you should carefully examine the market conditions and consult the merchants to compare its price and quality before you can get a more accurate price. Now it is difficult to determine the geometry of its price only based on the feelings given by this question.