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What is the chemical structure of 1-undecyl-1H-imidazole?
1 - undecyl - 1H - imidazole, the chemical formula is C H ² N ³, and its chemical composition is special. This molecule contains imidazole, which is a five-membered molecule. It is composed of two nitrogen atoms and three carbon atoms. It is aromatic, because the pi molecule conforms to 4n + 2. 1H - means that the atom is above the imidazole nitrogen atom.
And 1 - undecyl, that is, undecyl, straight alkyl and alkyl, contains undecyl carbon atoms, which are related to the imidazole nitrogen atom. One end of it is attached to the imidazole nitrogen atom, so that the whole molecule has both the properties of imidazole and alkyl. The alkyl group makes the molecule hydrophobic to a certain extent, and imidazole can be used for coordination, acid reaction, etc., in a variety of fields, such as materials science, chemical catalysis, biology, etc., because of its special properties.
What are the main uses of 1-undecyl-1H-imidazole?
1-Undecyl-1H-imidazole has a wide range of uses and is useful in many fields.
First, in the field of materials science, it is often a surfactant. Because of its unique molecular structure, it has lipophilic and hydrophilic amphoteric properties. Can be adsorbed on the surface of materials to change their surface properties, such as reducing surface tension and increasing wettability. Used in coatings and inks, it can make them better spread and adhere, and improve the quality of film formation. In the preparation of nanomaterials, it can be used as a modifier to stabilize nanoparticles, prevent their agglomeration, and help regulate the morphology and size of nanomaterials.
Second, it also plays a role in the field of catalysis. Can be used as a ligand to complex with metal ions to form a high-efficiency catalyst. In organic synthesis reactions, such as esterification and alkylation reactions, such catalysts exhibit high activity and selectivity, which help the reaction to proceed efficiently under mild conditions and improve the yield and purity of the product.
Third, it has emerged in the field of biomedicine. Due to the biological activity of imidazole ring, it can participate in a variety of chemical reactions in organisms. 1-undecyl-1H-imidazole is expected to be used as a drug carrier after modification. It can increase drug solubility and stability, achieve drug targeted delivery, and reduce toxic and side effects on normal tissues. And in the construction of biosensors, it can be used as a recognition element to specifically identify biomolecules, providing a powerful tool for disease diagnosis and bioanalysis.
Fourth, it is indispensable for the preparation of ionic liquids. Combine with suitable anions to form ionic liquids. Such ionic liquids have the advantages of low vapor pressure, hot topic stability, and wide liquid range. They are used as green solvents and catalysts in organic synthesis, separation and purification, replacing traditional volatile organic solvents and fitting the concept of green chemistry.
What are the physical properties of 1-undecyl-1H-imidazole?
1-undecyl-1H-imidazole is one of the organic compounds. Its physical properties are interesting and have applications in many fields.
First of all, its appearance, under normal circumstances, 1-undecyl-1H-imidazole is mostly white to light yellow solid. Looking at it, the texture is delicate, quite like powder powder, but it is slightly different. Touch it, you can feel its unique texture.
Second and melting point, the melting point of this compound is about [X] ℃. The melting point is the critical temperature at which the substance changes from solid to liquid. Knowing the melting point is of great significance in the fields of chemical production and material preparation. It can help craftsmen accurately control the state changes of substances and lay the foundation for subsequent process operations.
Another is the boiling point. The boiling point of 1-undecyl-1H-imidazole is about [X] ° C. The boiling point is related to the temperature at which a substance changes from liquid to gas under a specific pressure. In distillation, purification and other processes, the boiling point is a key parameter, according to which mixtures can be effectively separated to obtain high-purity products.
Solubility is also an important physical property. 1-undecyl-1H-imidazole is slightly soluble in water, but has good solubility in organic solvents such as ethanol and dichloromethane. This property gives it unique advantages in organic synthesis, drug development, etc. For example, in organic synthesis reactions, with its solubility in organic solvents, the reaction can be carried out more fully and the yield of the reaction can be improved.
In addition, its physical properties such as density and refractive index are also closely related to many practical applications. Density can affect the distribution and sedimentation of substances in mixed systems, and refractive index plays a role in optical materials, analysis and detection.
In summary, the physical properties of 1-undecyl-1H-imidazole are rich and diverse, and each property is interrelated, which together determine its application prospects in different fields. Craftsmen know and make good use of these properties in order to make achievements in many industries such as chemicals, materials, and medicine.
What is 1-undecyl-1H-imidazole synthesis method?
1-Undecyl-1H-imidazole, that is, 1-undecyl-1H-imidazole. The common methods of synthesis include the following.
First, imidazole and haloundecane are used as raw materials to react in an alkaline environment. Take an appropriate amount of imidazole, place it in a reaction vessel, and dissolve it with an appropriate organic solvent, such as N, N-dimethylformamide (DMF). Another haloundecane is taken, slowly dropped into this solution, and an appropriate amount of alkali, such as potassium carbonate, is added at the same time. During the reaction process, the temperature must be controlled, generally in a suitable temperature range, such as 50-80 ° C, and the reaction is stirred for several times, ranging from several hours to ten hours, depending on the specific situation of the reaction. After the reaction is completed, the product can be purified by conventional separation methods, such as extraction, distillation, etc., to obtain 1-undecyl-1H-imidazole.
Second, undecaldehyde and ethylenediamine are used as starting materials and obtained by condensation reaction. First, undecaldehyde and ethylenediamine are mixed in a certain proportion, and an appropriate amount of catalyst, such as p-toluenesulfonic acid, is added. At a suitable temperature, such as 80-120 ° C, under the protection of inert gas, the condensation reaction is carried out. After the reaction is completed, the unreacted raw materials and by-products are removed by vacuum distillation and further refined to obtain the target product.
These two are common methods for synthesizing 1-undecyl-1H-imidazole. In actual operation, the reaction parameters need to be optimized in detail according to specific conditions and requirements to improve the purity and yield of the product.
1-undecyl-1H-imidazole what are the precautions during use?
1-Undecyl-1H-imidazole is an organic compound. When using it, several matters need to be paid attention to.
First priority safety protection. This compound may be toxic and irritating, and can cause discomfort when it touches the skin, eyes, or inhaled or ingested. Therefore, when using, appropriate protective equipment must be worn, such as laboratory clothes, gloves and protective glasses, to avoid direct contact with the body surface. In case of inadvertent contact, rinse with plenty of water as soon as possible and seek medical attention according to the specific situation.
Times are storage conditions. It should be placed in a cool, dry and well-ventilated place, away from fire sources and oxidants. Because it is an organic substance, it is dangerous to burn or even explode in improper environments or in contact with fire sources. Storage temperature should be moderate, too high or too low may affect its stability.
Furthermore, the use process must be operated in a suitable experimental site and have good ventilation equipment. This can prevent the accumulation of volatile gases and reduce the risk of inhalation. The operating table should also be kept clean to avoid debris interference.
At the same time, accurate control of the dosage is also the key. Before use, the dosage should be accurately calculated according to experimental or production needs. Excessive use may cause waste of resources, increase costs, and cause unnecessary side reactions; if the dosage is too small, it will be difficult to achieve the desired effect.
Repeat, familiar with its chemical properties and reaction characteristics. 1-Undecyl-1H-imidazole may have unique performance in different chemical reactions. Understanding its reaction conditions and products with other substances can effectively avoid dangerous reactions and ensure the smooth progress of experiments or production.
Finally, after use, properly dispose of the residue and waste. Do not dump at will, and collect and dispose of them in accordance with relevant environmental regulations and laboratory regulations to prevent environmental pollution.