2-% heptanoic-4,5-divinylheptanedioic acid, which is an important raw material in the field of organic synthesis. It has a wide range of uses in organic synthesis, mainly as an intermediate to help synthesize various complex organic compounds.
In the field of pharmaceutical chemistry, this material can be used as a raw material to synthesize drug molecules with specific structures through multi-step reactions. Because of its unique carbon chain and functional group structure, it can impart specific activities and properties to drug molecules, or enhance the affinity of drugs to specific targets, or improve the absorption, distribution, metabolism and excretion characteristics of drugs in the body, which is of great significance to the development of new drugs.
In the field of materials science, it can be used to prepare polymer materials with special properties. By copolymerizing with other monomers, its structure is introduced into the main chain or side chain of the polymer, thereby endowing the material with unique properties. Such as improving material flexibility, heat resistance, chemical corrosion resistance, etc., it shows potential application value in the preparation of plastics, rubber, fibers and other materials.
In the field of total synthesis of natural products, because its structure is similar to some natural product structural fragments, it can be used as a key intermediate to help build a complex carbon skeleton of natural products, laying the foundation for the study of natural product biological activity and the development of related drugs.
And because it contains multiple double bonds and carboxyl groups and other reactivity checking points, chemists can use this to carry out various chemical reactions, such as esterification, addition, oxidation, etc., to synthesize more novel structures and unique functions compounds, and expand the boundaries of organic synthetic chemistry research. In short, 2-% heptanoic-4,5-divinylheptanoic acid plays an important role in many fields with its unique structure and reactivity, promoting sustainable development and innovation in related fields.

2-% pente-4,5-dieneheptanedioic acid, this substance is a kind of organic compound. Its physical properties are quite characteristic.
Looking at its appearance, under room temperature and pressure, it is mostly white to light yellow crystalline powder, like fine snow grains, delicate and uniform, slightly shiny under light, as if it contains filaments of shimmer.
When it comes to the melting point, it is about 130 ° C - 135 ° C. When the temperature gradually rises to this point, the originally solid crystals are like spring snow melting, slowly turning into a flowing liquid. This process is smooth and orderly, just like a quiet dance of material form transformation.
In terms of boiling point, under specific pressure conditions, it is about 350 ° C - 360 ° C. At this high temperature, the liquid is violently tumbled and turned into a gaseous state to escape, showing the active state of the substance under the hot topic.
Solubility is also an important property. In organic solvents such as ethanol and acetone, 2-% pente-4,5-dieneheptanedioic acid exhibits good solubility, just like a fish entering water, it quickly fuses with the solvent to form a uniform and transparent solution; however, in water, its solubility is extremely limited, and it is mostly in the state of small particles suspended in water, which is difficult to truly integrate, just like oil droplets in water, which are distinct.
In addition, the density of the substance is about 1.2 g/cm ³, and the texture is slightly heavier than that of common light substances. When held in the hand, it can feel its heavy texture. This density characteristic also affects its distribution and behavior in different media.
These various physical properties together constitute a unique "material portrait" of 2-% pente-4,5-dienheptanedioic acid, which lays the foundation for its application and research in many fields.

2-% cyanogen-4,5-diene heptanobutyric acid is an organic compound with the following chemical properties:
1. ** Acidic **: Its molecule contains a carboxyl group (-COOH). Due to the strong electronegativity of the oxygen atoms in the carboxyl group, the hydrogen-oxygen bond electron cloud is biased towards oxygen, and hydrogen is easily dissociated in the form of hydrogen ions, so it is acidic. Neutralization reactions can occur with bases, such as with sodium hydroxide: 2-cyanogen-4,5-diene heptanobutyric acid + NaOH → 2-cyanogen-4,5-diene heptanobutyric acid + H2O O, and this reaction generates corresponding carboxylates and water.
2. ** Nucleophilic Substitution Reaction **: The carbon atom of the carboxyl group has a certain positive electricity and is vulnerable to attack by nucleophilic reagents. For example, esterification reaction occurs with alcohol under acid catalysis, and the hydroxyl group in the carboxyl group is replaced by the alkoxy group of the alcohol to form an ester compound. Take the reaction with ethanol as an example, under the condition of concentrated sulfuric acid catalysis and heating, 2-cyano-4,5-dienheptanobutyrate ethyl ester and water are generated.
3. ** Cyanyl Reaction **: The cyanyl group (-CN) can undergo a variety of reactions. One is hydrolysis. Under acidic or alkaline conditions, the cyanyl group can be gradually hydrolyzed to carboxyl groups. If hydrolyzed under acidic conditions, the amide intermediate is formed, and then further hydrolyzed to carboxylic acid, that is, 2-cyano- 4,5-diene heptanobutyric acid can be hydrolyzed to obtain a compound containing two carboxyl groups. This property can be used to synthesize polycarboxyl compounds. The second is a reduction reaction, and the cyano group can be reduced to an amino group (-NH2O). If the cyano group of 2-cyano- 4,5-diene heptanobutyric acid is reduced, an amino-containing compound can be obtained, and an amino functional group is introduced for organic synthesis.
4. ** Conjugated diene reaction **: The 4,5-diene structure in the molecule is a conjugated diene, which has special reactivity. The [4 + 2] cycloaddition reaction between the dienes and the dienes forms a new six-membered cyclic compound. This reaction is an important method to construct the carbon ring structure and is used in the synthesis of complex cyclic compounds in organic synthesis.

2-% hydroxyl-4,5-dienoheptanobutyric acid is a rare organic compound. Its preparation method has been explored by many scholars in the past. Today, in ancient Chinese, I hope it can solve your confusion.
To prepare 2-% hydroxyl-4,5-dienoheptanobutyric acid, one method can start with the corresponding unsaturated ester. First take the appropriate unsaturated ester and use a strong base to promote its hydrolysis. During hydrolysis, when the temperature and reaction time are controlled, if the temperature is too high, it is easy to cause side reactions to cluster, and if it is too low, the reaction will be delayed. After hydrolysis is completed, the corresponding carboxylate is obtained, and then it is neutralized with acid, and the pH is adjusted to an appropriate level to obtain crude 2-% hydroxyl-4,5-dienoheptanobutyric acid. However, if the crude product is not pure, it needs to be refined by recrystallization, and a suitable solvent is selected to keep the impurities in the mother liquor, and the pure product can be precipitated to obtain a more pure product.
The second method can be extracted from natural products. There are various plants or microorganisms in the world, which contain this or similar ingredients in their bodies. First, take biological materials rich in such ingredients and extract them with appropriate solvents, such as ethanol, ether, etc., depending on the characteristics of the material and the solubility of the target substance. After the extract is concentrated, it can be separated by column chromatography. During column chromatography, select the appropriate filler and eluent, and separate them according to the distribution coefficient between the filler and the eluent, and finally obtain 2-% hydroxy-4,5-dienoheptanoic acid.
The third method, the wonder of organic synthesis, can be started by the construction of carbon-carbon bonds. With suitable olefins and aldodes as raw materials, the carbon chain skeleton is constructed through Wittig reaction or similar reactions. After a series of reactions such as oxidation and hydroxylation, the required functional groups are gradually introduced to eventually form 2-% hydroxyl-4,5-dienoheptanoic acid. This way requires fine design of the reaction steps, and precise control of the conditions of each step to obtain the ideal yield and purity.

I do not know the price range of 2-hydroxy- 4,5-divinylpyridylic acid in the market. However, if you want to know the price, you can check it in the market. Or consult pharmaceutical stores and chemical traders, they often know the price of various products. Or visit chemical trading venues and online trading platforms, you can get an approximate price. Or refer to past trading records and market reports, you can also get it. Although I can't tell the price range directly, I can get clues from these channels to know the approximate situation of the market price of this chemical.