What are the chemical properties of 3-iodobenzyl alcohol?
3 -, that is, the food of. Its transformation is not good, and in ancient times, it can be improved a little bit in terms of its diet, behavior and external appearance.
If you eat it, the color of its feathers may be brighter, such as when you enter a fire, and the light is outside. And the hardness of its beak and claws may increase, because of the nature of gold and stone, it can help it to fix its limbs.
Furthermore, the acid of the body also affects the body. Acidic, can be used to treat the blood of the body. Such as eating fruit acid, it can clear the stomach and make it digest. And the nature of the body, or it can balance the liquid, so that the body is in harmony. This is like treating water, acid and the body is free to do so.
However, in ancient times, the study of the nature of the chemical, more and more investigation. There is no such thing as today's refined chemical equipment, which can separate its components to molecular atoms. However, the ancients, with their sensitive insight, the shadow of external transformation and promotion, did not lose a single piece of wisdom. The transformation of nature, such as feathers, limbs, and transportation, has shown the essence of science, but the spirit of exploration of the ancients is precious.
In which reactions is 3-iodobenzyl alcohol commonly used?
3 - Dogwood is often used to cure evil spirits and relieve pain in the midst of such reactions. "Heavenly Works" has some, and this use is very important, and it is involved in both literature and folk customs.
The husband of Dogwood, who has a high taste for sex, has the power of dryness to dissipate cold and soothe the liver. In the Tao, when the cold is invaded and the cold is blocked, it is often used in the way. If the menstrual period is not broken, and the abdominal pain is caused by cold condensation, Dogwood is often matched with Dogwood, Chuanxiong, Baishao, etc., to dissipate cold and relieve pain. Its power can help blood flow and relieve blood stasis of cold condensation.
Furthermore, the effect of removing evil spirits also makes the dogwood have a place in the folk life. In ancient times, every value is good, and people often wear dogwood to ward off evil spirits. Because of the heavy weather, the weather is cold, and evil spirits are easy to invade, the fragrance of the dogwood can be used to protect people's well-being.
It is also useful to smoke the house of the dogwood when a new house is completed or when a long-term illness is cured. Take its strong fragrance, and you can disperse the room with evil spirits, hoping that the house will be safe, and the body will be Kangtai.
Therefore, the use of dogwood in medicine can relieve illness and pain; in folk customs, it can eliminate evil, so it is used in general anti-proliferation, and it is also a good thing that has the value of folk customs.
What are the synthesis methods of 3-iodobenzyl alcohol?
3-Pentanone, also known as methylpropyl ketone, has many synthesis methods. The following are several common methods:
1. ** Ethyl propionoacetate method **: Ethyl propionoacetate first interacts with a base to produce ketogenic decomposition. If sodium ethyl alcohol is used as a base and reacts in ethanol solution, the ester group of ethyl propionoacetate is hydrolyzed, and then decarboxylated to obtain 3-pentanone. This reaction process is as follows: the alkali attacks the ester group of ethyl propionoacetate to form a tetrahedral intermediate, and then eliminates the ethoxy negative ion to form propionoacetic acid. Propionoacetic acid is decarboxylated under heating conditions, and the carboxyl group is removed in the form of carbon dioxide, and the remaining part is converted into 3-pentanone.
2. ** Propanol oxidative coupling method **: In the presence of a specific catalyst, propanol can undergo oxidative coupling reaction to prepare 3-pentanone. Taking a copper-based catalyst as an example, propanol molecules are adsorbed on the surface of the catalyst, and hydroxyl dehydrogenation forms a propionaldehyde intermediate. The two molecules of propionaldehyde are further reacted through carbon-carbon bond coupling and accompanied by dehydrogenation, and finally 3-pentanone is generated. This process involves the activation of propanol molecules by the catalyst and the further reaction regulation of the intermediate product propionaldehyde. The reaction conditions need to be precisely controlled, including temperature, pressure and catalyst dosage.
3. ** Grignard reagent method **: React with propyl magnesium halide (Grignard reagent) and propionaldehyde to form an addition product first. After hydrolysis, 3-pentanol can be obtained, and then 3-pentanol can be oxidized to obtain 3-pentanone. Specifically, the negatively charged propyl in the Grignard reagent attacks the carbonyl carbon of propionaldehyde, forming a carbon-carbon bond to form an oxygen negative ion intermediate. After hydrolysis, the oxygen negative ion binds to protons to generate 3-pentanol. 3-pentanol can be oxidized to 3-pentanone by using a suitable oxidizing agent, such as chromium trioxide-pyridine complex. In this method, the preparation of Grignard reagent requires anhydrous and oxygen-free conditions to ensure its activity, and subsequent oxidation steps need to control the reaction conditions according to the selected oxidant to avoid excessive oxidation.
What are the market application fields of 3-iodobenzyl alcohol?
3-Bromopyruvate is used in various fields, in the field of medicine, it can be used as a drug intermediate. Gain 3-bromopyruvate has unique chemical properties and can interact with a variety of biologically active molecules. Through exquisite chemical synthesis, drugs for specific diseases can be prepared. For example, in the creation of some anti-cancer drugs, 3-bromopyruvate is a key starting material. After a series of chemical reactions, it can be modified to make the resulting drug act precisely on cancer cells, inhibit their proliferation, or induce their apoptosis.
In the field of agriculture, 3-bromopyruvate also has a place. It can be used to develop new pesticides. In view of its inhibitory or killing effect on specific pests, it can be made into high-efficiency, low-toxicity and environmentally friendly pesticides through rational formulation and dosage form optimization. It can effectively resist crop diseases and pests, improve crop yield and quality, and is less harmful to the ecological environment and human health than traditional highly toxic pesticides.
In the field of materials science, 3-bromopyruvate can participate in the preparation of special materials. Because of its active chemical groups, it can react with other monomers or polymers, thus endowing materials with special properties. Such as the preparation of functional materials with specific adsorption, catalysis or biocompatibility. The introduction of 3-bromopyruvate-related structures into some separation membrane materials can enhance the selective adsorption and separation ability of membranes for specific substances, and has important application value in chemical separation processes and environmental monitoring.
In addition, in the field of organic synthetic chemistry, 3-bromopyruvate is an important synthetic building block. Organic chemists can use the activity of bromine atoms and carboxyl groups to carry out various organic reactions and construct complex organic molecular structures. Through nucleophilic substitution, esterification, condensation and other reactions, organic compounds with different functional groups and structural characteristics can be synthesized, providing rich raw materials and synthetic pathways for the development of organic synthetic chemistry.
What are the storage conditions for 3-iodobenzyl alcohol?
3-The most important thing is to hide the hidden parts of the treasure. This is a precious material, and it needs to be properly stored in order to ensure its efficacy.
The fertility of the treasure likes the dryness and the tides. If it is placed in a place where the tide is high, it is easy to be invaded by bacteria and cause it to rot. Therefore, it should be stored in a place where the weather is dry and well connected to avoid the damage of the tide.
Furthermore, it is afraid of heights. Under the height, the active ingredients in the treasure are easy to be lost, decomposed, and lose their integrity. It is necessary to hide the treasure, and the density should be kept at a low level. It is best to control it below 15 ° C, so that it can be properly controlled.
Light is also a major factor in the treasure. Aggressive light can promote the biochemical reaction and change its composition. Therefore, it should be stored in the dark to avoid direct light exposure, so as to maintain its stability.
In addition, it is necessary to prevent moth-eating. It has a special taste and is easy to attract. It can be placed in the storage container to measure the dry prickly ash, peel, etc., because of its taste, and the damage of the material. It can also be checked regularly. If there is a moth, it needs to be stored and not mixed with other materials with strong taste. If not, its taste is easy to shadow each other, changing the original taste of
.
In addition, if you want to properly store the treasure, you need to do a good job of moisture-proof, moisture-proof, and moisture-proof, so as to protect the treasure and make it the best effect.