6 Acetylquinoline
Quinoline Thiophene Imidazole Thiazole
6-ACETYLQUINOLINE
Chemical Formula C11H9NO
Molar Mass 171.196 g/mol
Appearance Yellow to brown solid
Melting Point 75 - 78 °C
Boiling Point 322 - 324 °C
Solubility Soluble in organic solvents like ethanol, chloroform
Density 1.19 g/cm³ (estimated)
Flash Point 161.1 °C
Pka Weakly basic, approximate pKa around 5 - 6
FAQ

What are the chemical properties of 6-acetylquinoline?

6-Ethoxybenzaldehyde, which is an organic compound. This substance is a colorless to light yellow liquid with a special aroma. In terms of chemical properties, it contains aldehyde groups and ethoxy groups, so it presents many unique reactions.

The aldehyde groups are active and can undergo oxidation reactions. Take the common silver mirror reaction as an example. In an alkaline environment, when co-heated with a silver ammonia solution, the aldehyde groups will be oxidized to carboxylic groups, and the silver ions in the silver ammonia complex ions will be reduced to metallic silver, which will adhere to the inner wall of the container to form a bright silver mirror. The reaction formula is: $C_9H_ {10} O_2 + 2 [Ag (NH_3) _2] OH\ stackrel {\ Delta }{=\!=\! =} C_9H_ {10} O_3 + 2Ag\ downarrow + 4NH_3 + H_2O $.

aldehyde groups can also undergo reduction reactions. Taking catalytic hydrogenation as an example, in the presence of suitable catalysts (such as nickel, palladium, etc.), the aldehyde groups can be reduced to hydroxyl groups to generate 6-ethoxybenzyl alcohol. The reaction formula is: $C_9H_ {10} O_2 + H_2\ stackrel {catalyst }{=\!=\!=} C_9H_ {12} O_2 $.

In addition, ethoxy groups, as a substituent on the benzene ring, will affect the electron cloud density of the benzene ring, causing the benzene ring to undergo electrophilic substitution. Because the ethoxy group is the power supply group, the electron cloud density of the benzene ring ortho and para-site will increase relatively, so the electrophilic substitution reaction is more likely to occur in the ortho and para-site. For example, the reaction with bromine water will introduce bromine atoms in the ortho and para-site of the benzene ring.

6-ethoxybenzaldehyde is widely used in the field of organic synthesis due to its chemical properties. It can be used to prepare a variety of organic compounds such as drugs and fragrances, and plays an important role in the chemical industry.

What are the common uses of 6-acetylquinoline?

6-Acetylbenzoic acid is a common use of light, and is mostly used in the field of chemistry, dyes, and synthesis.

In terms of performance, its important aspects are. It can be used to reverse-chemize compounds with specific biological activities, such as the synthesis of some non-steroidal anti-inflammatory compounds, and 6-acetylbenzoic acid can build the molecular skeleton of compounds, repair and derivatization. It has anti-inflammatory, anti-pain and other effects of the dye, which helps people's health.

The dye industry is well-organized, and its characteristics can introduce dye molecules, affect their light absorption and emission properties, and make the dye rich in color and good quality. Reasonable and synthetic dyes can be obtained for various purposes, such as dyeing for high-quality products to make the color of the product last for a long time; or working with special dyes to meet specific coloring needs.

There are synthetic domains, 6-acetylbenzoic acid is used as an active raw material, and it can be used for multi-reaction, building high-quality molecules. Its carbonyl and carboxyl functions can be used for nuclear addition, esterification and other multi-reaction reactions. Synthesizers take advantage of this to synthesize new kinds of high-quality materials and functional molecules, expand the development of high-quality compounds and their application, and promote the development of high-quality synthesis.

Of course, 6-ethylbenzoic acid, with its multi-reaction activity and high-quality characteristics, plays an important role in the field of high-quality, dye and high-quality synthesis.

What are the synthesis methods of 6-acetylquinoline?

6-Ethoxycarbonyl benzoic acid, also known as ethyl-6-carboxybenzoate, is an important intermediate in organic synthesis. The method of its synthesis is generally based on benzoic acid and is obtained by several steps.

One method is that benzoic acid is first halogenated to obtain halogenated benzoic acid. Halogen atoms are often introduced under heating conditions with bromine or chlorine under the action of a suitable catalyst, such as iron powder or iron trihalide. Then halogenated benzoic acid and ethanol are esterified under basic conditions and in the presence of a catalyst. The base can be selected from potassium carbonate, sodium carbonate, etc., and catalysts such as sulfuric acid and p-toluenesulfonic acid. In this reaction, the halogen atom of halobenzoic acid combines with the hydroxyl group of ethanol to remove hydrogen halide and form ethoxycarbonyl benzoate. This is one of the conventional synthesis routes.

Furthermore, mono-ethyl isophthalate can be used as the starting material. Mono-ethyl isophthalate selectively converts its carboxyl group into ethoxycarbonyl group through specific reagents and conditions. This process requires the selection of reagents to ensure the selectivity of the reaction. If an esterification reaction is carried out with an appropriate alcohol in the presence of a condensing agent, such as dicyclohexyl carbodiimide (DCC) and catalyst 4-dimethylaminopyridine (DMAP), one of the carboxyl groups of monoethyl isophthalate can be converted into ethoxycarbonyl to obtain the target product 6-ethoxycarbonyl benzoic acid.

Another way starts with phthalic anhydride. Phthalic anhydride first undergoes a ring-opening reaction by alcoholysis or hydrolysis to convert its one carbonyl group to a carboxyl group, and then undergoes an esterification reaction to convert another carbonyl group to ethoxycarbonyl. This series of reactions needs to be precisely controlled according to the reaction process and conditions to achieve high yield and purity products. In synthesis, the control of reaction conditions at each step, such as temperature, time, and the proportion of reactants, is crucial, which is related to the quality and quantity of the product.

What is the price of 6-acetylquinoline in the market?

In today's market, the price of six -%E4%B9%99%E9%85%B0%E5%9F%BA%E5%96%B9%E5%95%89 often varies depending on the texture, appearance, and origin. Those who are of high quality and in good condition, and who have obtained it from famous craftsmen in famous workshops, the price will be high; if the quality is average, the price will be suitable.

Looking at the easy places in various cities, or those who have made this light with the technique of fine research, the cost of their work is quite huge, so they are sold in the city, and the price is often at a high level, which can reach a large amount of money. However, there are also those who use ordinary methods, although they also have their uses, but compared with those who are fine, the price may be 20-30% inferior.

There are also six -%E4%B9%99%E9%85%B0%E5%9F%BA%E5%96%B9%E5%95%89 of the old Tibet. After the passage of time, those who are rare in the world, collectors compete to buy, and the price is even more immeasurable. Every time they are in the Tibetan market, they cause a lot of competition, and their prices often skyrocket, which is not comparable to ordinary market goods.

Market merchants often set their prices according to the quality of their goods and the supply and demand of the current situation. When the time is good, those who need it will be priced higher; if the city is cold and there is no one to ask for it, the price will be depressed. It is at the price of six -%E4%B9%99%E9%85%B0%E5%9F%BA%E5%96%B9%E5%95%89 in the city, which is not fixed, and often changes with many reasons. Those who are good at it can observe the current situation, review the quality of the goods, and set the price by weighing the price and seek its benefits.

What are the storage conditions for 6-acetylquinoline?

6-Ethylborylbenzoic acid light is a rare treasure, and it needs to be stored in a suitable environment. This treasure should be placed in a cool and dry place, away from direct sunlight, and protected from hot topics. If exposed to strong light and hot topics, it may damage its quality and cause its properties to change.

The reason why it needs to be cool and dry is because of the hot light, which is easy to cause it to change. The energy of light and heat, or the abnormal movement of its molecules, causes structural damage and loses its original characteristics. And humid gas is also a big taboo. Water vapor is easy to contact with ethylborylbenzoic acid, causing hydrolysis and other reactions, eroding its purity and destroying its quality.

The utensils in Tibet should also be paid attention to. It is advisable to use glass or plastic utensils, which are tightly sealed to prevent air and moisture from entering. Glass material is chemically stable and does not react with ethylboryl benzoic acid; plastic, which is lightweight and has good moisture resistance. The reason for sealing is to prevent oxygen and other impurities in the air from encountering it, and to keep it as pure as ever.

The place where it is placed should be kept away from fire sources and chemical debris. The temperature of the fire source can make ethylboryl benzoic acid change rapidly, or cause danger; the variety of chemical debris is complex, or in response to it, produce unexpected results.

In short, 6-ethylboronylbenzoic acid should be kept cool, dry, protected from light, heat, and sealed, and it should be far from the source of fire, so as to maintain its quality and uniqueness for future use.