What is the chemical structure of 1,3-bis (o-toluene) guanidine?
The chemical structure of 1,3-bis (tert-butylmercapto) propane is a class of organic compound structures. In its structure, the main chain of propane is a three-carbon chain hydrocarbon, which is in a straight chain shape. At the 1st and 3rd carbon atoms of the propane chain, tert-butylmercapto is connected respectively.
The structure of tert-butylmercapto is connected by a sulfur atom (S) and tert-butyl. Tert-butyl is a special alkyl group, and its structure is connected by one carbon atom and three methyl groups (-CH 🥰), which is highly branched. Therefore, the overall structure of tert-butylmercapto is -S - C (CH 🥰).
In 1,3-bis (tert-butylmercapto) propane, two tert-butylmercapto groups are respectively attached to the carbon atoms at both ends of the propane main chain, forming the unique chemical structure of this compound. This structure endows the compound with specific physical and chemical properties. Branched tert-butyl affects the steric resistance of molecules and plays a role in their solubility and stability. The presence of thiol groups makes the compound have certain reactivity and can participate in many organic chemical reactions, such as complexing with metal ions or participating in the formation of thioether bonds. It may have applications in organic synthesis and materials science.
What are the main uses of 1,3-bis (o-toluene) guanidine?
1,3-Bis (tert-butylphenyl) urea is an organic compound that has important uses in many fields. Although it is difficult to find traces of it in ancient texts, it can also be described in ancient Chinese.
In the field of medicinal chemistry, this compound is often a key intermediate. It can be used to create various drugs, because of its structural properties, or it can interact with specific targets in organisms. Gu Yun: "When a drug is made, it must have its own base. 1,3-Bis (tert-butylphenyl) urea can be a drug base, and it can be used to introduce drugs into diseases and heal diseases." It can use its own structure to cooperate with biomolecules, such as the combination of mortise and tenon, to help drugs exert their effect, and can treat some inflammation and pain diseases, which is helpful for doctors to treat diseases.
In the field of materials science, it also has extraordinary performance. It can be used as a polymer material additive to improve material properties. For example, to make the material more heat-resistant and stable. "If the material is strong and resistant, add this material, just like the skill of a good craftsman, so that the material is not afraid of heat and heat, and it can be used for a long time without damage." It can improve the tolerance of the material in harsh environments such as high temperature, so that the material is more durable in construction, electronics and other industries.
Furthermore, in the field of agricultural chemistry, 1,3-bis (tert-butylphenyl) urea can be used as a plant growth regulator. It can regulate the growth and development of plants and make crops grow orderly. "Farmers, if you want crops to be lush, this thing can follow its growth sequence, promote germination, and help bloom and bear fruit. If God helps farming, you will bless the grain." It may affect the balance of plant hormones, thereby regulating the growth rhythm of plants, and helping agriculture increase production and income.
What is the synthesis method of 1,3-bis (o-toluene) guanidine?
To prepare 1,3-bis (tert-butyl benzyl) ketone, the following ancient method can be used:
First take an appropriate amount of tert-butyl chloride and benzyl compound, use anhydrous aluminum trichloride as a catalyst, and slowly add tert-butyl chloride to the benzyl compound in a low temperature environment. This process requires careful temperature control to ensure that the reaction proceeds smoothly to form tert-butyl benzyl compounds. This reaction principle is based on the Fu-gram alkylation reaction between aromatics and halogenated hydrocarbons catalyzed by Lewis acid, and anhydrous aluminum trichloride activates tert-butyl chloride to generate carbon positive ions, which then attack the benzyl ring of the benzyl compound and form carbon-carbon bonds.
After the preparation of the tert-butyl benzyl compound is completed, it is acylated with an acylating reagent, such as acetyl chloride, and also anhydrous aluminum trichloride as a catalyst in a suitable solvent. During the reaction, the reaction conditions, such as temperature and reaction time, are strictly controlled. This acylation reaction is also one of the Fu-gram reactions. Anhydrous aluminum trichloride activates acetyl chloride to form an electrophilic reagent, attacks the benzene ring of the tert-butyl benzyl compound, and introduces an acetyl group, and finally generates 1,3-bis (tert-butyl benzyl) ketone. After the reaction is completed, a post-treatment process is required. The reaction is first quenched with a dilute acid solution to deactivate the catalyst, and then the liquid separation operation is carried out to separate the organic phase. Then the organic phase is washed with an appropriate amount of alkali to remove the remaining acidic impurities. After that, the organic phase is dried with anhydrous sodium sulfate, the desiccant is filtered off, and finally the product is purified by reduced pressure distillation to obtain pure 1,3-bis (tert-butylbenzyl) ketone. The whole process requires accurate control of the reaction conditions and the proportion of raw materials to make the product yield and purity good.
What are the physical and chemical properties of 1,3-bis (o-toluene) guanidine?
1,3-Bis (tert-butylsilyl) acetylene is a commonly used reagent in organic synthesis. Its physical and chemical properties are as follows:
Looking at its physical properties, under normal conditions, 1,3-bis (tert-butylsilyl) acetylene is mostly colorless to light yellow liquid, with a certain volatility. Its boiling point is about 180-182 ° C. Under this temperature condition, the substance changes from liquid to gaseous state, which is crucial for the distillation and separation step of organic synthesis. Its melting point is relatively low, about -40 ° C, indicating that the substance can still maintain a liquid state in a general low temperature environment and is easy to operate.
In terms of chemical properties, the ethynyl group in this compound is rich in electrons and has significant nucleophilicity. This property makes it easy to react with electrophilic reagents, such as nucleophilic substitution with halogenated hydrocarbons, generating carbon-carbon bonds, which is of great significance in the construction of complex organic molecules. The tert-butylsilyl groups at both ends play a stabilizing role in the molecular structure, and can affect the electron cloud distribution of molecules due to the electronegativity difference of silicon atoms. At the same time, 1,3-bis (tert-butylsilyl) acetylene is relatively stable to air and moisture, and under normal storage and operating conditions, it is not easy to deteriorate rapidly due to environmental factors. However, in actual use, it is still recommended to operate in a dry, inert gas protected environment to prevent adverse chemical reactions caused by the long-term action of trace moisture or oxygen, which affects its effect and yield in organic synthesis reactions.
What are the precautions for using 1,3-bis (o-toluene) guanidine?
1% 2C3-bis (ethoxyformyl) hydrazine, when using it, many matters must be observed.
The first to bear the brunt is its physical properties. The properties of this substance, the point of melting and boiling, the dissolution properties, etc., must be known in detail. Only by understanding its physical properties can we know its state in different environments, and when handling it, it can be targeted so as not to be mistaken due to ignorance.
Furthermore, it is related to safety. This substance may be toxic, irritating, or flammable and explosive. Between access, storage, and disposal, protective gear, such as gloves, masks, and goggles, must be complete. Storage should be well ventilated and kept away from fire and heat sources to prevent accidents. And when disposing, it must also follow the norms, so as not to pollute the environment and not endanger yourself and others.
The method of use is also the key. The dosage used must be accurate. If it is too much, it may cause excessive reaction, and if it is not effective, it will not be effective. The steps of operation should also strictly follow the established procedures. From the order of mixing to the conditions of reaction, such as temperature, pressure, and time, there should be no slight difference. A little carelessness may cause the reaction to fail, or even cause danger.
In addition, its compatibility also needs attention. When mixing with other substances, it must be clear whether it can react. Or when it encounters certain substances, it will react violently, or cause deterioration, which will affect the use. Therefore, it is necessary to check its compatibility with the substances used before use.
At the end of the day, the cleaning after use should not be underestimated. The utensils used should be washed in time to prevent residue. The place should also be cleaned so that the residue is not retained. In this way, the safety and smoothness of the next use can be guaranteed. In short, use 1% 2C3 -bis (ethoxyformyl) hydrazine with caution.