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What is the chemical structure of N- (2-pyridine) benzylamine?
The chemical structure of N - (2 -pyridyl) benzylamine is quite wonderful. The structure of this compound is formed by connecting the pyridine ring with the benzylamine group. The pyridine ring is a six-membered aromatic ring containing nitrogen, which is aromatic, and the nitrogen atom on the ring is endowed with its unique electronic properties and reactivity. The benzyl amine group is connected to the amino group by the benzyl group. The benzyl group contains the stable structure of the benzene ring, and the amino group is an active and reactive functional group. The two are connected, and the nitrogen atom of the pyridine ring interacts with the benzyl ring and the amino group of the benzyl amine group, which makes the molecular electron cloud different and forms a unique electronic pattern in the chemical space, which makes it different from simple pyridine or benzyl amine compounds. With this structure, N- (2-pyridyl) benzylamine is endowed with unique chemical properties, which can be used in many fields such as organic synthesis and drug development, participate in specific chemical reactions, and interact with other molecules in a specific way. Due to its unique structure, it plays a unique role and adds an important member to chemical research and application.
What are the main physical properties of N- (2-pyridine) benzylamine?
N- (2-pyridyl) benzylamine is one of the organic compounds. Its physical properties are quite important, let me tell them one by one.
Looking at its appearance, it is usually a colorless to light yellow liquid under normal conditions, with a clear texture, like a clear spring. Smell it, there is a specific smell. Although this smell is not rich and fragrant, it is unique and can be distinguished.
In terms of its melting point, it is about -10 ° C to -5 ° C, just like the critical state in cold winter. If it is slightly cold, it will condense, and if it is slightly warm, it will melt. The boiling point is roughly in the range of 300 ° C to 320 ° C, and a higher temperature is required to make it boil into a gaseous state.
Solubility is also a key physical property. In organic solvents such as ethanol and ether, N- (2-pyridyl) benzylamine exhibits good solubility and can be fused with these solvents, just like water. However, in water, its solubility is relatively limited, only slightly soluble, just like a drop of oil falling on the water surface, it is difficult to form a uniform state.
In terms of density, it is about 1.1 - 1.2 g/cm ³, which is slightly heavier than water. If placed in water, it will slowly sink, just like a stone entering water.
In addition, the stability of this compound cannot be ignored. Under normal temperature and pressure and without the influence of special chemical environment, it can still maintain a relatively stable state. However, when exposed to high temperatures, open flames or strong oxidants, chemical reactions, or burns, or other changes are prone to occur, just like throwing boulders into a calm lake, breaking the original calm.
The above is the main physical properties of N- (2-pyridyl) benzylamine, which can provide basic knowledge for related research and applications.
In which fields is N- (2-pyridine) benzylamine used?
N- (2-pyridine) benzylamine is useful in many fields. In the field of medicine, this compound exhibits unique efficacy. Its structural properties give it the ability to combine with specific targets in organisms, or to participate in the regulation of physiological functions, which is beneficial to the prevention and treatment of diseases. For example, in the development of new antimalarial drugs, compounds containing such structures have been found to effectively interfere with the metabolic pathways of Plasmodium, thereby inhibiting its growth and reproduction, opening up new avenues for the creation of antimalarial drugs.
In the field of materials science, N- (2-pyridine) benzylamine is also of great value. Due to the unique combination of the structure of the pyridine ring and benzylamine in the molecule, it can be used as a ligand to participate in the coordination chemistry process. With this, metal-organic framework materials (MOFs) with specific structures and properties can be constructed. Such MOFs materials have excellent performance in gas adsorption and separation, such as efficient adsorption of carbon dioxide, hydrogen and other gases, which is of great significance in the field of environmental protection and energy storage.
Furthermore, in the field of organic synthesis chemistry, N- (2-pyridine) benzylamine is often used as a key intermediate. Its active functional groups can participate in a variety of organic reactions, such as nucleophilic substitution, addition, etc., to assist in the synthesis of complex organic compounds. By ingeniously designing reaction paths and using them as starting materials, bioactive natural product analogs or new organic functional materials can be prepared, which greatly enriches the types and properties of organic compounds and promotes the development of organic synthetic chemistry.
What are the synthesis methods of N- (2-pyridine) benzylamine
The method of synthesizing N- (2-pyridyl) benzylamine has been investigated by many predecessors, and the common ones are described here.
First, 2-pyridyl formaldehyde and benzylamine are used as raw materials and can be obtained by reductive amination. This reaction requires the selection of suitable catalysts, such as sodium borohydride, sodium cyanoborohydride, etc. First mix 2-pyridyl formaldehyde and benzylamine in an appropriate solvent, such as methanol, ethanol, etc., stir well, and then slowly add the catalyst. During the reaction, the temperature should be controlled within a certain range, usually between room temperature and 50 degrees Celsius. When the reaction number is numbered, the reaction progress should be monitored by thin layer chromatography. After the reaction is completed, after post-treatment, such as extraction, washing, drying, column chromatography separation, etc., pure N- (2-pyridine) benzamine can be obtained.
Second, 2-halopyridine and benzylamine are used as starting materials, and in the presence of bases, nucleophilic substitution occurs. Commonly used bases include potassium carbonate, sodium carbonate, etc. 2-halopyridine, benzylamine and base are co-placed in a suitable solvent, such as N, N-dimethylformamide, dimethyl sulfoxide, heated to a certain temperature, usually 80 to 120 degrees Celsius, and reacted for several hours. After the reaction is completed, similar post-treatment steps such as extraction and separation are also performed to obtain the product.
Third, it is prepared by the reaction of pyridine derivatives with benzyl halides. First, the pyridine derivatives are properly activated, such as introducing suitable substituents on the pyridine nitrogen atom to enhance their nucleophilicity. Then react with benzyl halides under the catalysis of bases. Sodium hydride, potassium tert-butanol, etc. can be selected as the reaction solvent. The reaction at temperature control, followed by post-treatment purification, and finally N- (2-pyridine) benzamine.
This method has its own advantages and disadvantages. In actual synthesis, it is necessary to choose carefully according to the availability of raw materials, the ease of control of reaction conditions and the purity requirements of the product.
How safe is N- (2-pyridine) benzylamine?
N- (2-pyridyl) benzylamine is one of the organic compounds. To discuss its safety, it needs to be observed from multiple aspects.
First look at its chemical properties, this compound has a certain reactivity. The structure of its pyridine ring and benzylamine can cause it to participate in various chemical reactions. Under suitable conditions, or react with other substances such as nucleophilic substitution and addition. Although this reactivity is useful in organic synthesis, it also implies that it interacts with components in a specific environment or in vivo to cause unknown effects.
Times and their toxicological properties. Although there is a lack of detailed information at present, it may have certain toxicity if it is analogous to similar structural compounds. After it enters the organism, it may be metabolized and transformed to generate metabolites with stronger activity or toxicity. And if the contact route is inhalation, it may cause irritation to the respiratory tract, such as coughing, asthma, etc.; if it is exposed to the skin, it may be irritated and allergic; if eaten by mistake, it may damage the digestive system, causing nausea, vomiting, abdominal pain, etc.
Re-discussion of environmental safety. It may be degraded in the environment by photolysis, hydrolysis, etc. However, the nature and environmental impact of the degradation products are not yet clear. If it is not easy to degrade, or accumulates in the environment, it will affect the ecosystem. If it affects aquatic organisms, or changes their physiological functions, it will affect the population and ecological balance.
In conclusion, the safety of N- (2-pyridyl) benzylamine remains unknown. When using and handling this compound, it is necessary to strictly follow safety procedures and take protective measures to prevent damage to human body and the environment.