Name | 1 - Allylimidazole |
Molecular Formula | C6H8N2 |
Molar Mass | 108.14 g/mol |
Appearance | Typically a liquid (physical state may vary depending on conditions) |
Boiling Point | Data may vary, check specific references |
Melting Point | Data may vary, check specific references |
Density | Data may vary, check specific references |
Solubility | Solubility characteristics would depend on the solvent, may be soluble in some organic solvents |
Flash Point | Data may vary, check specific references |
Vapor Pressure | Data may vary, check specific references |
Pka | Data may vary, check specific references |
What is the chemical structure of 1-Allylimidazole?
1-Allyl imidazole, its chemical structure is quite interesting. Looking at this compound, it is based on imidazole. This imidazole is a five-membered heterocyclic ring containing two nitrogen atoms, which is aromatic and has a delicate structure. In the first position of the imidazole ring, followed by allyl and allyl, it is an unsaturated hydrocarbon group containing carbon-carbon double bonds. Its structure is C H N ², and the relative molecular weight is about 81.09.
From its structure, the nitrogen atom on the imidazole ring has a lone pair of electrons, giving it alkalinity and nucleophilicity, and can participate in many chemical reactions, such as salt formation with acids and reaction with electrophilic reagents. The introduction of allyl adds more activity to it, and reactions such as addition and polymerization can occur at the double bond, which greatly enriches its chemical properties. This unique chemical structure makes it have extraordinary applications in many fields such as organic synthesis, materials science, and medicinal chemistry. In organic synthesis, it can be used as an intermediate to build complex organic molecules; in materials science, it can participate in the preparation of polymers and improve material properties; in the field of medicinal chemistry, or because the structure is compatible with bioactive molecules, it has potential pharmacological activity.
What are the physical properties of Allylimidazole?
1-Allyl imidazole is one of the organic compounds. It has many physical properties, which are described as follows:
First appearance, at room temperature, 1-Allyl imidazole is mostly colorless to light yellow liquid, clear and transparent, and has a flowing state, just like the agility of water.
Melting point and boiling point. Its melting point is very low, about -40 ° C. At this temperature, it changes from liquid to solid, just like water forms ice. The boiling point is quite high, about 250 ° C. It needs to go through a hot topic to boil and turn into a gaseous state to rise.
In addition to solubility, 1-allyl imidazole can be soluble in many organic solvents, such as ethanol and acetone, just like the water of fish, and it is in perfect harmony. Due to the specific functional groups in the molecular structure, it can interact with the organic solvent molecules, so it can be dissolved.
Its density is also one of its characteristics, about 1.02g/cm ³, which is slightly heavier than water. If it is placed in the same place as water, it will sink underwater, like a stone entering water.
In addition, 1-allyl imidazole still has a certain volatility and can slowly dissipate in the air. However, its volatilization rate is not in a state of emergency, but relatively mild. This volatility is also related to the intermolecular force, which makes it easier to break away from the liquid surface and escape into the gas phase due to the weak intermolecular force.
It can be seen from the above that 1-allylimidazole has unique physical properties and is widely used in many fields such as organic synthesis.
What are the common uses of 1-Allylimidazole?
1-Allyl imidazole, this is an important compound in organic chemistry. Its common uses cover the following ends.
First, in the field of materials science, it is often used as a monomer to prepare functional polymer materials. By polymerization, 1-Allyl imidazole can be copolymerized with other monomers to give the material special properties. If a nitrogen-containing heterocyclic structure is introduced, the heat resistance and chemical corrosion resistance of the material can be increased. In this process, the unsaturated double bond of the allyl group can participate in the crosslinking reaction, build a three-dimensional network structure, and improve the mechanical properties of the material.
Second, in the field of catalysis, 1-Allyl imidazole can be used as a ligand. Due to its nitrogen-containing heterocyclic structure, it can coordinate with metal ions to form catalysts for metal complexes. These complexes exhibit good catalytic activity and selectivity in many organic reactions, such as cyclic oxidation of olefins and carbon-carbon bond formation reactions. The catalyst performance can be optimized by adjusting the electronic and spatial effects of ligands.
Third, 1-allylimidazole is also used in the field of biomedicine. It has biocompatibility and certain biological activity, and can be used as a drug carrier or a modified group for bioactive molecules. The modified drug carrier may improve the solubility, stability and targeting of drugs, improve drug efficacy, and reduce toxic and side effects.
In addition, in organic synthesis chemistry, 1-allyl imidazole can be used as an intermediate in organic synthesis. With its reactivity of allyl and imidazole rings, different functional groups can be introduced through various chemical reactions to construct organic compounds with diverse structures, providing rich structural units for organic synthesis.
What are the synthesis methods of 1-Allylimidazole?
There are several ways to synthesize 1-allyl imidazole. One is to use imidazole as the starting material, so that it can undergo nucleophilic substitution reaction with allyl halide under suitable reaction conditions. In this reaction, the nitrogen atom of imidazole is nucleophilic and can attack the carbon atom connected to the halogen atom of allyl halide, and the halogen ion leaves to form 1-allyl imidazole. During the reaction, it is often necessary to select an appropriate base to promote the formation of nucleophilic reagents and control the pH of the reaction. Suitable solvents can also be selected to increase the solubility and reaction rate of the reactants.
Furthermore, it can also be synthesized by transition metal catalysis. Using transition metals such as palladium and copper as catalysts, imidazole reacts with allyl compounds in the presence of specific ligands. This catalytic system can effectively activate the reactants, reduce the activation energy of the reaction, promote the reaction to proceed mildly, and improve the selectivity and yield of the products. However, this method has stricter requirements on reaction conditions, and factors such as catalyst selection and dosage, reaction temperature, and time have a significant impact on the reaction results.
In addition, organic synthesis strategies can also be considered to construct the structure of 1-allyl imidazole from other compounds with specific functional groups through multi-step reactions. Although this approach is more complicated, in some cases, it may provide a more advantageous synthetic route, such as leveraging the reactivity of specific functional groups to achieve precise construction of the target product.
1-Allylimidazole What to pay attention to when storing and using
1-Allyl imidazole is also an organic compound. When storing and using, all matters must not be ignored.
First word storage. This material is lively and should be stored in a cool, dry and well ventilated place. Avoid open flames and hot topics to prevent the risk of explosion. Because of its certain chemical activity, it should be stored in isolation from oxidants, acids and other substances, and must not be mixed to prevent violent chemical reactions. And the storage container must be tightly sealed to avoid excessive contact with the air and the risk of deterioration.
As for the use, protective measures are essential. In front of suitable protective clothing, such as protective clothing, protective gloves, to prevent it from contacting the skin, because it may irritate and corrode the skin. Eye protection should not be ignored, and protective glasses should be worn. The operating environment should be well ventilated, or with the help of ventilation equipment, reduce the concentration of the substance in the air to prevent the risk of inhalation. During use, strictly follow the operating procedures, do not use in excess, and do not mix it with incompatible substances at will. After use, properly dispose of the residue, do not discard it at will, and dispose of it in accordance with relevant regulations to avoid polluting the environment.