3 5 Difluoro 4 Bromo 1 Iodobenzene 1 Bromo 2 6 Difluoro 4 Iodobenzene

3% 2C5-diene-4-alkyne-1-naphthol and 1-alkyne-2% 2C6-diene-4-naphthol are both organic compounds and have important uses in traditional Chinese medicine and modern medicine research and development.
In the field of traditional Chinese medicine, the plants in which these compounds exist often have functions such as activating blood circulation and clearing collaterals, reducing swelling and relieving pain. There are many records in the ancient book "Compendium of Materia Medica" that plants can be used as medicine to treat various kinds of pain and bruising, because the similar organic compounds contained in them play a role. For example, some herbs with the effect of opening channels and activating collaterals, after modern research and analysis, contain such components of the structure of alkyne naphthol.
In the field of modern medicine research and development, the importance of these two cannot be underestimated. Due to its unique chemical structure, it has a variety of biological activities. First, the anti-inflammatory activity is significant, which can act on inflammation-related signaling pathways and inhibit the release of inflammatory factors, and has great potential for the treatment of inflammatory diseases such as arthritis and enteritis. Second, the anti-tumor activity has also attracted attention, which can provide a novel direction for the development of anti-cancer drugs by inducing tumor cell apoptosis and inhibiting tumor cell proliferation and metastasis. Some studies have successfully developed new compounds with high inhibitory activity on specific tumor cells by using compounds containing such structures as precursors and structural modification and optimization.
In addition, in the field of materials science, because these compounds contain unsaturated bonds, they can participate in polymerization reactions to prepare polymer materials with special properties, such as materials with excellent optical properties and good thermal stability, which may have applications in optical devices, electronic materials, etc.

The synthesis of 3,5-diene-4-aldehyde-1-bromobenzene: 1-aldehyde-2,6-diene-4-bromobenzene is related to the field of organic synthetic chemistry, which involves a variety of organic reaction pathways. The following are described in ancient French.
First, the nucleophilic substitution reaction can be initiated. Take an appropriate halogenated aromatic hydrocarbon, such as a benzene derivative containing bromine, and meet the nucleophilic reagent with an alkenal structure. The nucleophilic reagent, by virtue of its electron-rich properties, attacks the carbon attached to the halogen atom of the halogenated aromatic hydrocarbon, and the halogen atom leaves to form a new carbon-carbon bond. This process requires temperature adaptation and the assistance of catalysts, such as some transition metal catalysts, to increase the reaction rate and selectivity.
Second, the target structure is constructed through the alkenylation reaction. A benzene ring compound containing an appropriate substituent is first prepared, and then an alkenal functional group is introduced. A suitable carbonyl compound can be reacted with a phosphorus-ylide reagent using a Wittig reaction. The carbonyl compound interacts with phosphorus-ylide to undergo rearrangement and elimination reactions to form a carbon-carbon double bond, and then the alkenal structure is constructed on the benzene ring to achieve the synthesis of 1-aldehyde-2,6-diene-4-bromobenzene.
Third, a step-by-step construction strategy is adopted. The intermediate containing part of the target structure is first synthesized, such as the bromobenzene ring and part of the alkenyl structure are first constructed, and then the aldehyde group is gradually introduced and the alkenyl structure is improved through oxidation and addition reactions. For example, the carbon-carbon bond is constructed by Grignard reagent reaction, the carbon chain is increased to form an alkenyl group, and then the appropriate functional group is converted into an aldehyde group through oxidation reaction, and finally the synthesis of the target compound is achieved. Each step of the reaction requires fine control of the reaction conditions, such as temperature, reactant ratio, reaction time, etc., in order to obtain a product with higher yield and purity.

What I am asking you is about the market price of 3,5-diene-4-aldehyde-1-naphthol and 1-aldehyde-2,6-diene-4-naphthol. However, both are quite professional chemical substances, and their market prices are affected by many factors, making it difficult to give the exact value directly.
First, the difficulty of obtaining raw materials has a great impact on the price. If the raw materials required to produce these two substances are scarce and difficult to collect, or require complicated refining processes, the cost will rise and the price will remain high.
Second, the complexity of the preparation process is also related to the price. If the synthesis process requires delicate reaction conditions, expensive catalysts, or complex reactions in multiple steps, the production cost will increase significantly and the price will rise accordingly.
Third, the market supply and demand situation is the key factor. If the market has strong demand for these two substances and the supply is limited, according to the reason of supply and demand, the price will rise; conversely, if the supply exceeds demand, the price will easily decline.
Fourth, the quality produced by different manufacturers may be different, and those with high quality may have relatively high prices. And the sales area, transaction scale, etc., can also make the price different.
In summary, to know the exact market prices of 3,5-diene-4-aldehyde-1-naphthol and 1-aldehyde-2,6-diene-4-naphthol, it is advisable to consult professional chemical reagent suppliers or check in detail on the chemical product trading platform to obtain more accurate price information.

3,5-Diene-4-carbonyl-1-naphthol: 1-carbonyl-2,6-diene-4-naphthol. Both are organic compounds, and their physical properties are worth exploring.
First, the appearance of the two is mostly crystalline under normal temperature and pressure. Its color is usually between white and light yellow, and the specific color will vary due to differences in purity. The higher the purity, the more white the color is.
Besides the melting point, the melting point of 3,5-diene-4-carbonyl-1-naphthol has been determined to be within a certain range, which is crucial for identifying this compound and can be used to distinguish it from other compounds with similar structures. 1-carbonyl-2,6-diene-4-naphthol also has its specific melting point range, which is different from the former. This difference is caused by the subtle difference in the molecular structure of the two.
In terms of solubility, the two exhibit different behaviors in common organic solvents. In organic solvents such as ethanol and ether, 3,5-diene-4-carbonyl-1-naphthol has a certain solubility, while 1-carbonyl-2,6-diene-4-naphthol can also dissolve in it, but the degree and rate of dissolution are different. This is due to the different interaction forces between the molecules and the solvent molecules. In water, both have poor solubility, and the lid is difficult to miscible because its molecular structure is mainly non-polar, and the polarity of water molecules is quite different.
In addition, the density of the two also has its own value. Density, as one of the inherent physical properties of substances, is of great significance in many aspects such as chemical production and experimental operation. Understanding its density is of great benefit to the design and implementation of processes such as material separation and mixing.
In summary, 3,5-diene-4-carbonyl-1-naphthol and 1-carbonyl-2,6-diene-4-naphthol have both similarities and differences in physical properties such as appearance, melting point, solubility, and density. These properties are of great value for research, identification, and practical application.

3% 2C5-diethyl-4-chloro-1-naphthol and 1-chloro-2% 2C6-diethyl-4-naphthol are both organic compounds, and their chemical properties are quite impressive.
The presence of halogen atoms and alkyl groups in the molecular structure shows specific chemical activities. Chlorine atoms are electron-absorbing, which can change the polarity of molecules, which in turn affects their physical and chemical properties. In nucleophilic substitution reactions, chlorine atoms can act as leaving groups, creating opportunities for other nucleophiles to attack.
Alkyl groups affect the spatial structure of molecules and the distribution of electron clouds. The introduction of diethylalkyl groups increases the steric hindrance of molecules. In some reactions, the steric hindrance effect may affect the reaction rate and selectivity. At the same time, alkyl groups are electron-supplying groups, which can increase the electron cloud density on the naphthol ring through induction effects, resulting in more electrophilic substitution reactions on the naphthol ring. For example, under appropriate conditions, or at specific positions on the naphthol ring, halogenation, nitrification and other electrophilic substitution reactions occur.
In addition, the phenolic hydroxyl groups in these two compounds also have unique chemical properties. The oxygen atoms in the phenolic hydroxyl groups have unshared electron pairs, which can form hydrogen bonds with other molecules, which affect the physical properties of compounds such as boiling point and solubility. In addition, the phenolic hydroxyl group has a certain acidity. Although the acidity is weaker than that of inorganic acids and carboxylic acids, it can react with strong bases to form corresponding phenols.
In terms of redox reaction, the structure of naphthol is relatively active, or it can be oxidized under the action of appropriate oxidants, and the oxidation products may vary depending on the reaction conditions.
These two compounds may have potential applications in organic synthesis, materials science and other fields due to their structural characteristics, and their diverse chemical properties provide a rich exploration space for related research and applications.