2 6 Difluoro 1 Iodobenzene

2% 2C6-diethyl-1-naphthol, that is, 2,6-diethyl-1-naphthol, although this substance is not directly recorded in "Tiangong Kaiwu", but it is inferred from the chemical process and application of ancient times that its main use may involve the field of dyes and medicine.
In terms of dyes, the preparation and application of extremely heavy pigments in Guzhi Dyeing Workshop. The sources of natural dyes are limited, and the exploration of synthetic pigments has never stopped. 2,6-diethyl-1-naphthol has a special chemical structure, or is converted into a dye component with bright color and good stability through a specific chemical reaction. Ancient fabric dyeing pursues long-lasting color and is not easy to fade. This substance or through refining, chemical synthesis and other processes, gives a unique color to silk, cotton and other fabrics, meets the needs of officials and dignitaries for beautiful clothing, and also adds color to folk fabrics.
In the field of medicine, ancient medicine explored a cure based on natural substances. Naphthenol compounds where 2,6-diethyl-1-naphthol is located have some pharmacological activities such as antibacterial and anti-inflammatory. The ancient people or in long-term practice, discovered the medicinal properties of these structural substances. Although there is no modern precise chemical analysis, through experience accumulation and trial, or the use of substances containing this ingredient, it has been processed and matched into drugs to deal with skin diseases, trauma and other diseases, providing different drug ideas for traditional medicine.

The synthesis of 2% 2C6-diethyl-1-naphthol is a key research in the field of organic synthesis. Although it is not directly explained in "Tiangong Kaiwu", I can use the ancient chemical wisdom and synthesis concept to describe the method in writing.
First, the naphthalene can be used as a group and halogenated by a method to make the naphthalene and halogen act under appropriate catalysts and reaction conditions to introduce halogen atoms. Then by means of alkylation, the halogenated naphthalene is mixed with ethylation reagents. Under the catalysis of bases, ethyl is promoted to replace the halogen atom to form 2-ethylnaphthalene. This step requires fine regulation of the reaction temperature and the proportion of reagents to avoid side reactions. < Br >
Then 2-ethylnaphthol is oxidized. Ethyl is oxidized to an aldehyde group or a carboxyl group in a specific solvent and temperature with an appropriate oxidizing agent, such as chromic acid or peroxide. Subsequent to the reduction reaction, the oxidation product is moderately reduced to obtain 2-ethyl-1-naphthol.
To synthesize 2% 2C6-diethyl-1-naphthol, 2-ethyl-1-naphthol can be obtained and then alkylated again. With a suitable ethylation reagent, in a suitable alkali and reaction environment, ethyl is substituted based on 6 positions to achieve the synthesis of the target product.
Or find another way, first prepare 2% 2C6-dihalonaphthalene, and then introduce ethyl in turn through two alkylation reactions. During this time, the control of reaction conditions, such as temperature, pressure, and catalyst dosage, is very important. And after each step of the reaction, it needs to go through the process of separation and purification to ensure the purity of the product. In this way, with the help of ancient chemical ideas and modern scientific methods, the synthesis path of 2% 2C6-diethyl-1-naphthol can be explored.

2% 2C6-diethyl-1-naphthol, its physical properties are as follows:
This substance is mostly white to light yellow crystalline powder at room temperature. Its melting point is quite high, about 106 ° C - 108 ° C, which makes it change from solid to liquid at a certain temperature.
In terms of solubility, it is difficult to dissolve in water, but it has good solubility in organic solvents such as alcohols, ethers, and benzene. This difference in solubility is related to the different forces between water molecules and organic solvent molecules and 2% 2C6-diethyl-1-naphthol molecules. In water, it is difficult to form an effective force between its molecules and water molecules to overcome the attractive force between its own molecules, so it is difficult to dissolve; while organic solvent molecules can form a suitable force with it, so that it can be better dissolved.
2% 2C6-diethyl-1-naphthol also has a certain volatility, but compared with low boiling point substances, the volatility is weak. This is due to the existence of certain van der Waals forces and other interactions between molecules, which bind the escape of molecules.
In addition, the white to light yellow appearance of its appearance is caused by its absorption and reflection characteristics of different wavelengths of light. Molecules with a specific structure have selectivity for light absorption and reflection, resulting in a specific color. This physical property plays a key role in its application in many fields such as organic synthesis and material preparation. It is necessary to choose the treatment and use method reasonably according to these properties.

2% 2C6-diethyl-1-naphthol is an organic compound. When storing and transporting, there are many things to pay attention to:
First, it is related to storage. Because of its certain chemical activity, it should be stored in a cool, dry and well-ventilated place. Keep away from fires and heat sources to prevent chemical reactions or volatilization due to excessive temperature. Storage places should be separated from oxidants, acids, etc., and must not be mixed. Because 2% 2C6-diethyl-1-naphthol may react violently with these substances, causing danger. At the same time, storage containers must be tightly sealed to avoid contact with air to prevent oxidative deterioration. And it is necessary to regularly check the storage environment and containers to check for leaks and other conditions.
Second, about transportation. Make sure that the packaging is complete and sealed before transportation. Choose suitable transportation tools, and protect against sun exposure, rain and high temperature during transportation. When handling, it should be lightly loaded and unloaded to avoid damage to packaging and containers. During transportation, pay close attention to environmental factors such as temperature and humidity to prevent changes in their properties due to environmental discomfort. If the transportation volume is large, it is necessary to strictly follow the relevant regulations on the transportation of hazardous chemicals, and equip necessary emergency treatment equipment and protective equipment to prevent timely and proper handling in case of leaks and other accidents, so as to ensure the safety of transportation personnel and the environment from pollution.

I have heard you inquire about the market prices in the city of 2236. Today, the market is diverse, and changes in prices often affect people's hearts.
Watching the city of 2236, the land is prosperous, and merchants are convergent. However, the level of prices is not constant, and it is easy at any time, and it can be moved according to the situation.
If the husband needs it every day, the price of rice millet, vegetables and fruits may rise and fall. The time is favorable, and the fields and crops are abundant, the price of rice millet is flat; if there is a disaster of floods and droughts, the harvest will be poor, and the price will be high. The genus of vegetables and fruits also changes with the seasons. At that time, fresh products flooded the market, and the price was normal; after this festival, it was rare and difficult to find, and the price also rose.
As for cloth and silk clothing, the price is related to raw materials and labor. If the production of silk and hemp is prosperous, the weaving work is diligent and the skills are good, the price of cloth and silk is moderate; if the raw materials are scarce, or the labor is difficult, the price will inevitably increase.
There are all kinds of utensils, and those made by precision work will be expensive; those made shoddily, although cheap, will not be used for a long time. And people in the city have different plans, and the bargaining techniques between sales and sales are also different, which also affects one end of the price.
Therefore, if you want to know the market price in 2236 cities, when you observe the weather and the place, observe the changes in personnel, and review the skills of merchants, you can get a rough idea. It is difficult to hide it in a word.