propyl (S)-1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate

What you are asking about is the chemical structure of "propyl (S) -1-naphthyl-3,4-dihydroisocoumarin-2 (1H) -carboxylic acid ester". This is a question in the field of organic chemistry. To clarify its structure, it is necessary to analyze the meaning of each part in detail.
"Propyl" is an alkyl group containing three carbon atoms, and its structure is -CH -2 CH. " (S) " indicates that the compound has a specific three-dimensional configuration, which is determined according to the Cahn-Ingold-Prelog rule and is related to the spatial arrangement of atoms or groups in the molecule.
"1-naphthyl", naphthalene is a fused aromatic hydrocarbon, composed of two benzene rings sharing two adjacent carbon atoms, and 1-naphthyl refers to the connection of the carbon atom at the first position on the naphthalene ring with other parts.
"3,4-dihydroisocoumarin-2 (1H) -" part, isocoumarin is a compound with benzopyran-2-one structure, 3,4-dihydro represents a single bond between the 3rd and 4th carbons of the isocoumarin structure, not a double bond, and the hydrogen atom on the 2nd carbon is marked as 1H in parentheses.
"Carboxylic acid ester" means that there is an ester bond structure formed by carboxyl groups and alcohols in the molecule, that is, -COO - is connected to other groups.
Overall, the chemical structure of "propyl (S) -1-naphthyl-3,4-dihydroisocoumarin-2 (1H) -carboxylic acid ester" is based on 3,4-dihydroisocoumarin-2 (1H) as the core structure, the 2-position carbon is connected to the propyl group through the ester bond, and the 1-position carbon is connected to the 1-naphthyl group of the (S) configuration. Such structures may be of great significance in fields such as organic synthesis and medicinal chemistry, where different structures endow compounds with unique physical, chemical and biological activities.

Octyl (S) -1-naphthyl-3,4-dihydroisocoumarin-2 (1H) -carboxylic acid ester has a wide range of uses. In the field of medicine, it may be used as a key pharmaceutical intermediate. Due to its unique chemical structure, it can be derived from compounds with specific physiological activities through specific chemical reactions, laying the foundation for the creation of new drugs and playing an important role in the development of drugs for the treatment of diseases such as cardiovascular diseases and nervous system diseases.
In the field of materials science, this compound may be used to prepare special materials. With its special molecular structure and properties, it may endow materials with unique optical, electrical or thermal properties. For example, in the field of optical materials, it is expected to be applied to the manufacture of materials with special optical properties, such as fluorescent materials, which will show their application in display technology, optical sensors, etc.
In organic synthetic chemistry, it is also an important synthetic building block. Chemists can modify and derive it through various organic reactions according to its structural characteristics, build more complex and diverse organic compounds, expand the boundaries of organic synthesis, and provide new paths and possibilities for the development of organic chemistry. Due to its unique structure and properties, this compound has important uses in various fields such as medicine, materials, and organic synthesis, promoting progress and development in related fields.

There are currently synthesis methods of propyl (S) -1-naphthyl-3,4-dihydroisocoumarin-2 (1H) -carboxylic acid esters, and listen to me in detail.
First, naphthol derivatives and acrylates are used as starting materials. In an appropriate solvent, an appropriate amount of catalyst is added, and the reaction is heated. This process requires precise control of temperature and reaction time. The choice of catalyst is very critical, and different catalysts have an impact on the reaction rate and product purity. After many attempts, a specific metal salt catalyst is selected to make the reaction proceed efficiently. After the reaction is completed, the preliminary product is obtained through the steps of separation and purification. < Br >
Second, the halogenated propylnaphthalene is used as the starting material. First, it undergoes a substitution reaction with the nucleophilic reagent. The type and dosage of the nucleophilic reagent need to be precisely controlled before the reaction can proceed in the desired direction. After the substitution reaction is completed, the cyclization reaction is carried out. During cyclization, it is extremely important to control the reaction conditions, such as the pH and temperature of the reaction system. After the cyclization reaction is completed, a series of separation and purification operations are required to obtain a pure propyl (S) -1-naphthalyl-3,4-dihydroisocoumarin-2 (1H) -carboxylic acid ester.
Third, it can also be started from natural products. To find a natural product with a similar structure and chemically modify it. First protect the specific functional groups of the natural product, and then modify the structure through selective reactions. After removing the protective group, the structure of the target product is gradually constructed through a multi-step reaction. This method requires a deep understanding of the structure and reactivity of the natural product in order to successfully synthesize the target product.
All of the above synthesis methods have their advantages and disadvantages. In practical application, the choice needs to be weighed according to the availability of raw materials, cost, difficulty of reaction and many other factors.

The physical properties of isopropyl (S) -1-phenyl-3,4-dihydroxyisobutyric acid lactone are now available. If you want to know its physical and chemical properties, it may be in a solid state at room temperature, or in a white crystalline state, with a fine texture. As for the melting point, it is covered within a certain temperature range. This temperature can be an important indicator for distinguishing its purity. Its solubility may have a certain solubility in organic solvents, such as ethanol, ether, etc., but in water, its solubility may be limited. And the density of this substance may be different from that of water. When placed in water, its floating and sinking state can be known. < Br >
Its chemical properties include hydroxyl groups, which can be esterified with acids. If this reaction is carried out under suitable catalysts and conditions, corresponding ester products can be obtained. Because it contains phenyl groups, it has aromatic properties and can participate in the related reactions of aromatic rings, such as electrophilic substitution reactions. The presence of chiral centers makes it exhibit unique stereochemical properties in chemical reactions. Furthermore, the structure of isobutylactone also allows this substance to participate in ring opening and other reactions. Under different reagents and conditions, it can be converted into a variety of products.
All these are due to the physical and chemical properties of isopropyl (S) -1-phenyl-3,4-dihydroxyisobutylactone.

I don't know what you said about "sec (S) -1-benzyl-3,4-dihydroxyisopentene-2 (1H) -furanic acid" in the market price range. This is not something I am familiar with. The market price often changes for many reasons, such as the quality of the product, the amount of production, the demand for it, and the distance and distance of the land, and the time. If you want to know the exact price, when visiting various pharmaceutical stores, chemical markets, or inquiring people who specialize in this industry, they may be able to tell you the current price.