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What is the chemical structure of 6-Bromo-3-pyridinecarboxamide?
6 - Bromo - 3 - pyridinecarboxamide is an organic compound, and its chemical structure can be detailed as follows:
The core structure of this compound is a pyridine ring, and the pyridine ring is a nitrogen-containing six-membered heterocyclic ring, which is aromatic. At position 3 of the pyridine ring, there is a formamide group (-CONH 2), which is composed of a carbonyl group (C = O) connected to an amino group (-NH 2). At position 6 of the pyridine ring, a bromine atom (Br) is connected.
From the atomic connection relationship, the carbon atom and the nitrogen atom of the pyridine ring are connected to each other by covalent bonds to form a ring. The carbon atom at position 3 is connected to the carbonyl carbon atom of the formamide group to form a stable chemical structure. The carbon atom at position 6 is connected to the bromine atom by a single bond. In the formamide group, the carbonyl carbon atom is connected to the oxygen atom by a double bond, and the amino nitrogen atom is connected by a single bond, and the amino nitrogen atom is connected to the two hydrogen atoms.
This chemical structure gives 6-Bromo-3-pyridinecarboxamide unique physical and chemical properties. Due to the existence of pyridine ring, formamide group and bromine atom, it can be used as a key intermediate in the field of organic synthesis, participating in many reactions, such as nucleophilic substitution, amidation and other reactions, laying the foundation for the construction of more complex organic molecules.
What are the physical properties of 6-Bromo-3-pyridinecarboxamide?
6-Bromo-3-pyridineformamide is an important compound in organic chemistry. It has unique physical properties and is worth studying.
First appearance, this compound often takes the shape of white to light yellow crystalline powder. Looking at it, it is delicate and uniform, with a soft luster, like a treasure of natural dust. It may flash in the sun, as if telling people its inner mystery.
Second, the melting point has been accurately determined, and its melting point is roughly between 190-194 ° C. When the temperature gradually rises to the melting point range, 6-bromo-3-pyridineformamide slowly melts from the solid state to the liquid state. This phase transition process is smooth and orderly, like a delicate dance, which deduces the change of material form.
Solubility is also a key property. In common organic solvents, such as methanol, ethanol, dichloromethane, etc., 6-bromo-3-pyridineformamide exhibits a certain solubility. In methanol, it can be dissolved appropriately to form a uniform and clear solution, just like salt dissolves in water and quietly fuses into one. However, the degree of solubility is also affected by many factors such as temperature, solute and solvent ratio. In water, its solubility is relatively limited, only slightly soluble, just like a shy guest who is only willing to taste it.
Furthermore, its stability cannot be ignored. Under normal storage conditions, if placed in a cool, dry and well-ventilated place, 6-bromo-3-pyridineformamide can maintain a relatively stable state. However, if exposed to high temperature, high humidity or strong light environment, or in contact with specific chemicals, it may cause chemical reactions, causing changes in its structure and properties. It is like a delicate flower that loses its beauty in bad weather.
The physical properties of this compound are not only its inherent characteristics, but also lay the foundation for its application in many fields such as organic synthesis and drug development. It is an indispensable factor in chemical research and industrial production.
In what areas is 6-Bromo-3-pyridinecarboxamide applied?
6-Bromo-3-pyridineformamide is used in various fields such as medicine, pesticides, and materials science.
In the field of medicine, it is a key intermediate. It can be used to create new antibacterial drugs. In the synthetic or metabolic pathway of bacterial cell wall, compounds constructed based on this may interfere with the normal physiology of bacteria, causing their growth or death. If its structure is modified by a specific reaction and a specific functional group is connected, new molecules with antibacterial activity can be obtained, which opens up a new way to deal with the problem of drug-resistant bacterial infection.
In the field of pesticides, new insecticides or fungicides can be developed. Physiological processes of pests or pathogens, such as nervous system conduction, energy metabolism, etc., compounds derived from 6-bromo-3-pyriformamide may act in them to poison or inhibit. After rational design and modification, it can be made into a target bio-efficient and environmentally friendly pesticide, which can help the sustainable development of agriculture.
In the field of materials science, it can participate in the preparation of functional materials. For example, in organic optoelectronic materials, with its special structure and electronic properties, it can improve the conductivity and optical properties of materials. Introducing it into polymer systems can produce materials with specific optical and electrical responses, which can be used in Light Emitting Diodes, sensors and other devices to expand the application range of materials.
From this point of view, 6-bromo-3-pyridineformamide has a wide range of uses in many fields and has promising prospects.
What are 6-Bromo-3-pyridinecarboxamide synthesis methods?
The synthesis method of 6-bromo-3-pyridineformamide has been studied in ancient times and modern times. The ancient method, or starting from the easily available pyridine raw materials, gradually added bromine and amide groups through delicate reactions.
In the past, pyridine was often used as the base, and bromine atoms were introduced before specific positions. Due to the specific distribution of the electron cloud of the pyridine ring, there is a way to select the position. Using brominating reagents, such as liquid bromine and N-bromosuccinimide (NBS), under suitable conditions, either heating or adding a catalyst, the bromine atom is exactly at the 6th position. This step requires fine regulation, because the bromination reaction is prone to by-products. If the conditions are improper, bromine or other sites will cause the product to be impure.
After 6-bromo pyridine is obtained, amidation is performed. Or use 3-pyridine carboxylic acid as a source, through acyl chloride, use dichlorosulfoxide and other reagents to make the carboxyl group into an acid chloride. The acid chloride has high activity and reacts with ammonia or amine reagents to obtain 6-bromo-3-pyridine formamide. In this process, the conditions of acyl chloride, the choice and dosage of amine reagents are all related to yield and purity.
Today's method is scientific and refined, and more modern instruments and theories are borrowed. Or use the method of transition metal catalysis, using palladium, copper and other metals as catalysts to make the reaction more selective and mild conditions. For example, the cross-coupling reaction catalyzed by palladium can precisely connect bromine atoms and amide-related groups, reduce side reactions and improve yield. Green chemistry concepts are also used to optimize reaction solvents and catalysts to make the process more environmentally friendly and efficient. Although the synthesis process has been continuously evolving, it is all about seeking high yield and high purity of 6-bromo-3-pyridineformamide, laying the foundation for chemical research and industrial production.
What is the market outlook for 6-Bromo-3-pyridinecarboxamide?
6-Bromo-3-pyridineformamide is one of the most important compounds in the field of organic compounds. Looking at its market prospects, it can be said that it contains many opportunities and challenges, showing a complex and changeable situation.
In the field of pharmaceutical research and development, 6-bromo-3-pyridineformamide is a key intermediate. Many new drugs are created based on it. By modifying and modifying its structure, compounds with unique pharmacological activities can be derived. In recent years, the global pharmaceutical industry is booming, and the demand for innovative drugs is increasing day by day. In this context, new anti-cancer and anti-infective drugs developed with 6-bromo-3-pyridineformamide as raw materials continue to emerge, which has greatly promoted the growth of market demand. Many pharmaceutical companies have increased their procurement of this intermediate in order to seize the opportunity in the competition of new drug development.
In the field of materials science, 6-bromo-3-pyridineformamide has also emerged. With the rapid development of the electronic information industry, the demand for high-performance organic materials is increasingly urgent. Due to its special molecular structure, this compound has shown potential application value in the preparation of organic optoelectronic materials. Some research teams have found that introducing it into specific material systems can significantly improve the photoelectric properties of materials, such as improving luminous efficiency and enhancing stability. Although the relevant applications are still in the stage of laboratory research and small-scale trials, they have attracted the attention of many materials companies and scientific research institutions. If industrial applications are realized in time, the market space of 6-bromo-3-pyriformamide will be greatly expanded.
However, the market development of 6-bromo-3-pyriformamide also faces challenges. Its synthesis process is relatively complex and requires strict reaction conditions, resulting in high production costs. This limits its large-scale application to a certain extent, especially in cost-sensitive market areas. At the same time, global environmental protection policies are becoming increasingly strict, and various pollutants need to be properly handled in the production process, and compliance costs increase, which also brings pressure to production enterprises. Furthermore, the market competition is fierce, and many chemical companies have set foot in this field. The product quality is uneven and the price competition is fierce, which has an impact on the market share and profit margins of enterprises.
To sum up, although the market prospect of 6-bromo-3-pyridineformamide is broad, in order to gain a foothold in the market and achieve good development, enterprises need to continuously optimize the synthesis process to reduce costs, strengthen environmental protection measures to meet policy requirements, and pay attention to product quality improvement and technological innovation, in order to stand out in the fierce market competition.