The main use of 1,3,5-triene-2-ketonaphthalene is covered in "Tiangong Kaiwu", covering pigments, medicine, etc.
For the use of pigments, their colors are unique, and they can produce bright and long-lasting pigments. In the past, the production of pigments was related to many processes, and this compound can add unique colors and properties to pigments. In painting, fabric dyeing, and other fields, pigments are relied on to show brilliant colors. Pigments made of 1,3,5-triene-2-ketonaphthalene may have the characteristics of light resistance and water resistance, so that the dyed objects will not fade over the years, and are indispensable raw materials in traditional processes.
As for the use of medicine, ancient physicians may have discovered its unique pharmacology. Although the knowledge at that time or the detailed science of today is not yet available, it may be found in practice that it has a soothing or healing effect on certain diseases. Or because of its special chemical structure, it can have a specific interaction with organisms. Such as conditioning qi and blood, removing stasis, etc., or have a certain degree of power. In the compatibility of traditional medicine prescriptions, or occasionally use this ingredient, with its characteristics to achieve the purpose of treating diseases and saving people.
Although the "Tiangong Kaiwu" may not be extremely detailed, it is inferred from the characteristics of the compound and the development of technology and medicine at that time that pigments and medicine should be the main way.

1%2C3%2C5-%E4%B8%89%E6%B0%9F-2-%E7%A2%98%E8%8B%AF%E7%9A%84%E7%89%A9%E7%90%86%E6%80%A7%E8%B4%A8%E5%A6%82%E4%B8%8B%E6%89%80%E8%B0%88:
This substance is often a colorless and transparent liquid with a unique and volatile odor. Its boiling point is critical. Under certain conditions, the boiling point is stable at a certain value. This property makes it play an important role in many processes involving distillation and separation. Furthermore, its density is different from that of water. In practical applications, this difference is related to its distribution and behavior in different media.
Solubility is also an important physical property. It can be well miscible in some organic solvents, but its solubility in water is limited. This property affects its reaction and application scenarios in different solvent systems.
In addition, 1%2C3%2C5-%E4%B8%89%E6%B0%9F-2-%E7%A2%98%E8%8B%AF%E7%9A%84%E7%89%A9%E7%90%86%E6%80%A7%E8%B4%A8 also includes its refractive index, which is of great significance in optical correlation detection and analysis. It can be used to measure the refractive index to determine the purity and other characteristics of the substance.
Its vapor pressure cannot be ignored. Under different temperature environments, the vapor pressure will change accordingly, which is of great significance to the setting of operating and storage conditions involving the gas phase environment, which is related to safety and product stability.

1% 2C3% 2C5-triene-2-naphthol. Its molecular structure contains a naphthalene ring, which has a conjugated system, giving certain stability. Although the alkenyl and naphthol hydroxyl groups are active check points, under normal conditions, if there is no external specific conditions to excite, it is not easy to spontaneously react.
Looking at its hydroxyl groups, the adjacent electron cloud density is high, and it can participate in electrophilic substitution reactions, which need to be initiated by strong electrophilic reagents. Enylenyl groups can undergo reactions such as addition and oxidation, and specific reaction conditions are also required, such as suitable catalysts, temperature, pressure and reactant concentration. Under normal temperature and pressure, without special reagents and conditions, 1% 2C3% 2C5-triene-2-naphthol can exist relatively stably.
If there are active free radicals, strong oxidants or reducing agents in the environment, or under extreme conditions such as high temperature and light, its stability may be affected. Free radicals can grab hydrogen atoms or add to alkenyl groups, strong oxidants can oxidize alkenyl groups and hydroxyl groups, and strong reducing agents may also change their structures. However, only under normal experimental environment and storage conditions, without intentional intervention, 1% 2C3% 2C5-triene-2-naphthol can maintain relatively stable chemical properties.

The synthesis methods of 1% 2C3% 2C5-triene-2-ketonaphthalene are various, and the advantages and disadvantages of each method are different, which are suitable for different situations. The following are common synthesis paths:
Diels-Alder Reaction
This is a classic reaction for constructing a hexavalent cyclic structure. Suitable conjugated dienes and bienes can be selected, and the key intermediates can be obtained by Diels-Alder reaction. After subsequent functional group transformation, such as oxidation, reduction, and substitution, the target product 1% 2C3% 2C5-triene-2-ketonaphthalene can be obtained. The advantage of this reaction is that it can efficiently construct carbon-carbon bonds, with good regioselectivity and stereoselectivity, mild conditions and high yields. For example, the reaction of conjugated dienes with carbonyl-containing pro-dienes can form a six-membered ring in one step, laying the foundation for subsequent synthesis.
Friedel-Crafts Reaction
Foucault acylation or alkylation reaction is widely used in the synthesis of aromatic derivatives. The acyl group can be introduced into the aromatic ring by means of Foucault acylation reaction, and then a series of reactions, such as hydroxyaldehyde condensation and elimination reactions, can be used to construct the skeleton of the target molecule. This method can flexibly select aromatic hydrocarbon substrates and acylating reagents to achieve diverse molecular designs. However, the reaction requires Lewis acid as a catalyst, and there may be multiple substitution side reactions, which require fine control of the reaction conditions.
Transition metal catalysis
In recent years, transition metal catalysis has developed rapidly. For example, palladium-catalyzed cross-coupling reactions can effectively connect different carbon-carbon bonds or carbon-hetero bonds. Through rational design of substrates and ligands, functionalization at specific locations can be achieved, providing a precise path for the synthesis of 1% 2C3% 2C5-triene-2-ketonaphthalene. Such reaction conditions are relatively mild and highly selective, which can effectively avoid many drawbacks of traditional methods. However, the cost of transition metal catalysts is high, and some reactions require strict anhydrous and oxygen-free conditions, which requires high operation.
Molecular cyclization reaction
uses reactions such as nucleophilic substitution and electrophilic addition in the molecule to cyclize the molecule and form the target cyclic structure. For example, under suitable conditions, the enyne substrate can be cyclized within the molecule to construct a naphthalene ring containing the enone structure. This method has high atomic economy, simple steps, and can reduce waste generation. However, the design and synthesis of the substrate are more critical, and the activity and selectivity of the reaction check point need to be ensured.
When synthesizing 1% 2C3% 2C5-triene-2-ketonaphthalene, the appropriate synthesis method should be considered comprehensively according to the availability of starting materials, the purity and yield requirements of target products, and the feasibility of reaction conditions.

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First, this compound is flammable and explosive, and when it is stored and transported, the ambient temperature and humidity must be precisely controlled. If the temperature is too high, the reaction may be accelerated, causing danger; if the humidity is too high, it may deteriorate the compound and damage its quality. Therefore, the storage should be in a cool, dry place, and well ventilated to reduce environmental risk factors.
Second, 1%2C3%2C5-%E4%B8%89%E6%B0%9F-2-%E7%A2%98%E8%8B%AF may be harmful to the human body. It may irritate the skin, mucous membranes, or even cause inhalation, ingestion or poisoning. Therefore, when handling this substance, appropriate protective equipment must be worn, such as protective clothing, gloves, protective goggles and gas masks, to prevent contact with the human body. And the operating space must be well ventilated. If you accidentally contact, you should quickly rinse with plenty of water and seek medical treatment.
Furthermore, when transporting, the appropriate means of transportation and packaging materials must be selected in accordance with relevant regulations. The packaging should be tightly closed, with good pressure resistance and shock resistance, and prevent leakage and damage. During transportation, drivers and passengers should also be familiar with emergency response methods. In case of emergencies, they can respond quickly and minimize harm.
Moreover, the storage place should be set up with obvious warning signs to clearly indicate the danger of this compound, so that relevant personnel can be alert. And storage management must be standardized, and warehousing records must be kept in detail for traceability and supervision.
In short, 1%2C3%2C5-%E4%B8%89%E6%B0%9F-2-%E7%A2%98%E8%8B%AF during storage and transportation, all details cannot be ignored, so as to ensure the safety of the process and avoid accidents.