ethyl 2-(4-hydroxy-3-nitrophenyl)-4-methyl-1,3-thiazole-5-carboxylate

Ugh! This is the name of an organic compound. To clarify its chemical structure, it is necessary to analyze it in detail.
"Ethyl", ethyl is also an alkyl group containing two carbon atoms, often referred to as "-C ² H".
"2- (4-hydroxy-3-nitrophenyl) ", "4-hydroxy" means that the fourth position of the benzene ring has a hydroxyl group (-OH), and "3-nitro" means that the third position of the benzene ring has a nitro group (-NO -2). This part constitutes a benzene ring derivative and is connected to the second position of the benzene ring.
"4-methyl-1,3-thiazole-5-carboxylate", "4-methyl" shows that the thiazole ring has methyl (-CH 🥰) at the 4th position, and "1,3-thiazole" is a thiazole ring, which is a five-membered heterocycle separated by a sulfur atom and a nitrogen atom. "5-carboxylate" means that the thiazole ring has a carboxylic acid ester group at the 5th position, in this case an ethyl ester group (-COOCH -2 CH 🥰).
In summary, the chemical structure of this compound is: with a thiazole ring as the core, its 4-position methyl and 5-position ethyl ester; the 2-position thiazole ring is connected to the benzene ring containing hydroxyl groups and nitro groups, and the hydroxyl group is at the 4-position benzene ring and the nitro group is at the 3-position benzene ring. In this way, the approximate structure of the compound can be seen.

Ethyl 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1,3-thiazole-5-carboxylate is an organic compound with a wide range of main uses.
In the field of pharmaceutical research and development, it may be a key intermediate. Because its structure contains specific functional groups, it can be chemically modified to obtain biologically active compounds for the development of new drugs, such as targeted therapeutic drugs for specific diseases. For example, the combination of 4-hydroxy and 3-nitrophenyl groups may give it the ability to bind to specific targets in organisms, enabling drugs to act precisely on lesions.
In the field of materials science, this compound may be used to create materials with special properties. With its molecular structural properties, or can participate in polymerization reactions to generate polymeric materials with unique optical, electrical or thermal properties. For example, optical materials that respond to specific wavelengths of light can be prepared for use in optoelectronic devices.
In the field of organic synthetic chemistry, it acts as an important building block. Chemists can modify its structure through various chemical reactions to build more complex organic molecules. By changing the substituents on the thiazole ring or modifying the part of the benzene ring, the structural diversity of organic compounds can be expanded, providing rich materials for organic synthetic chemistry research.
also has potential applications in the research and development of pesticides. With appropriate structure optimization, compounds with insecticidal, bactericidal or herbicidal activities may be obtained to provide new pesticides for agricultural production, help crop disease and pest control, and improve crop yield and quality.
ethyl 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1, 3-thiazole-5-carboxylate Due to its unique structure, it has shown important uses in many fields such as medicine, materials, organic synthesis and pesticides, providing key support and diverse possibilities for the development of various fields.

The method of synthesizing ethyl 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1,3-thiazole-5-carboxylate (2- (4-hydroxy-3-nitrophenyl) -4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester) has been used since ancient times, and is described below.
First, or follow the classical organic synthesis path. Take a compound containing a specific functional group as the starting material and gradually build the target molecular structure through a multi-step reaction. For example, start with a benzene ring derivative with a suitable substituent and a precursor compound containing a thiazole ring structure. First, the benzene ring derivative is reacted with a suitable nitrifying agent under specific conditions to introduce the nitro group at a specific position of the benzene ring to obtain a benzene ring intermediate containing nitro. This step requires precise control of reaction conditions, such as temperature, reagent dosage, reaction time, etc., to ensure accurate nitro positioning.
Second, introduce hydroxyl groups at specific positions on the benzene ring. Choose appropriate hydroxylation reagents and operate according to the appropriate reaction process. Or through nucleophilic substitution, hydrolysis and other reactions, ingeniously introduce hydroxyl groups, and pay attention to avoid adverse effects on the introduced nitro and other functional groups.
Furthermore, for the thiazole ring part. With suitable reagents containing sulfur and nitrogen atoms, the thiazole ring structure is constructed through condensation, cyclization and other reactions. In this process, the reaction conditions are carefully regulated to promote the connection of the thiazole ring to the modified benzene ring at a specific position, and at the same time ensure that the 4-methyl and 5-carboxylate ethyl ester groups are correctly formed at the appropriate position of the thiazole ring.
Or explore new modern organic synthesis technologies, such as transition metal catalysis. With the unique activity of transition metal catalysts, the formation and transformation of specific chemical bonds can be promoted. For example, the use of palladium, copper and other metal catalysts can achieve efficient and precise connection between the benzene ring and the thiazole ring, and can be carried out under milder reaction conditions, effectively improving the selectivity and yield of the reaction. However, the use of these new technologies requires in-depth knowledge and practical experience in the selection of catalysts, the design of ligands and the optimization of reaction systems.
Synthesis of ethyl 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1, 3-thiazole-5-carboxylate methods, both classical methods can be followed and modern new technologies can be explored. All need to be considered comprehensively according to specific experimental conditions, raw material availability and purity requirements of target products, and other factors, and careful choices should be made.

Ethyl 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1,3-thiazole-5-carboxylate, the Chinese name can be called 2- (4-hydroxy-3-nitrophenyl) -4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester. This is an organic compound, and its physical and chemical properties are as follows:
- ** Appearance **: Often light yellow to yellow crystalline powder, fine powder, stable color under normal light and environment, no obvious odor emission, this appearance property is conducive to observation and operation in various chemical reactions and preparation processes.
- ** Melting point **: The melting point is in a specific temperature range, which is crucial for the purity identification of the compound. If the purity is high, the melting point range is narrow and close to the theoretical value; if it contains impurities, the melting point decreases and the melting range becomes wider. The specific melting point of this compound provides a key reference for its synthesis, purification and quality control.
- ** Solubility **: It has a certain solubility in organic solvents such as dichloromethane, N, N-dimethylformamide (DMF). In dichloromethane, due to the non-polar similarity of dichloromethane and the partial structure of the compound, it can achieve better solubility, which is conducive to use as a reaction medium in organic synthesis reactions or for extraction and separation. However, the solubility in water is very small, because the molecular structure of hydrophobic groups accounts for a large proportion, it is difficult for water molecules to form effective interactions with it. < Br > - ** Stability **: Relatively stable under conventional environmental conditions, but in case of extreme conditions such as high temperature, strong oxidants or strong bases, the structure is easily damaged. For example, in the presence of strong bases, ester groups may undergo hydrolysis reactions, which can change the molecular structure and lead to changes in chemical properties.
- ** Spectral Properties **: In the infrared spectrum, hydroxyl, nitro, ester and thiazole ring functional groups have corresponding characteristic absorption peaks. The stretching vibration peaks of hydroxyl groups are in a specific wavenumber range, and the asymmetric and symmetric stretching vibration peaks of nitro groups also have their own unique wavenumbers. By analyzing these absorption peaks, the molecular structure and purity can be judged. In hydrogen nuclear magnetic resonance spectroscopy, hydrogen atoms in different chemical environments will peak at the corresponding chemical shifts, which can provide information for the number of hydrogen atoms in molecules and the chemical environment in which they are located, and assist in determining the structure of compounds.

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