What is the chemical structure of (4Z) -4- [ (3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
The structure analysis of this organic compound should follow the characteristics and naming rules of each group. (4Z) - 4 - [ (3-methyl-5-oxy-1-naphthyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] - 3-oxy-3,4-dihydroquinoline-1-carboxylic acid, which can be analyzed step by step.
" (4Z) " shows that the double bond configuration is Z-type, that is, isomerism. " 4 - [ (3-methyl-5-oxy-1-naphthyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] "indicates that a sulfur ether structure containing a specific substituent is connected at the 4th position of the main chain. Among them, "3-methyl-5-oxy-1-naphthyl" indicates that there is a methyl group at the 3rd position of the pyrazole ring, an aerobic group at the 5th position, and is connected to the 1-naphthyl group; "4,5-dihydro-1H-pyrazole-4-yl" determines the partial structure of the pyrazole ring.
"3-oxy-3,4-dihydroquinoline" means that the quinoline ring is at the 3rd position of the aerobic group, and the 3rd and 4th positions are in the dihydro state. "1-carboxylic acid" indicates that the first position of the main chain is connected with a carboxyl group.
In summary, this compound uses the quinoline ring as the basic skeleton to connect the thioether substituent and the carboxyl group at a specific position, and there are specific double bond configurations and substitution on the ring, and each part is connected to each other to form a unique chemical structure.
What are the physical properties of (4Z) -4- [ (3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
"Tiangong Kaiwu" is a comprehensive work on agriculture and handicraft production in ancient our country.
This (4Z) -4- [ (3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] -3-oxo-3,4-dihydropyrimidine-1-carboxylic acid, the appearance is often specific, or crystalline powder, color or white or nearly white, this is its visual state. Its particle size may be different, the subtle state is difficult to distinguish, and it needs to be viewed with the help of instruments.
Smell it, or it has a weak odor, not pungent and intolerable. However, under the fine smell, its unique smell can still be felt. To distinguish this smell, a person with a keen sense of smell is also required.
In terms of solubility, it may be soluble in specific organic solvents, such as some alcohols and ether solvents. Solubility or poor in water, mostly in a suspended state in water, due to the interaction between the molecular structure of the substance and water molecules.
In terms of density, compared to common water, its density may be different, and the specific value depends on accurate measurement. This density characteristic is related to its settling or floating state in the mixture.
Its melting point is also an important physical property. When it reaches a certain temperature, the substance gradually melts from solid to liquid. This melting point is the inherent characteristic of the substance, which can help to distinguish the purity of the substance and other properties.
The physical properties of this substance are of great significance in chemical research, production and application, and are the cornerstone for exploring its chemical behavior and realizing its practical use.
What are the chemical properties of (4Z) -4- [ (3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
(This is an organic compound related question, because the original expression contains many professional and complex chemical structure description codes, for clear interpretation, try to sort out according to the conventional understanding) This compound is named (4Z) -4 - [ (3-methyl-5-oxy-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] -3-oxy-3,4-dihydroquinoline-1-carboxylic acid, its chemical properties are as follows:
1. ** Acidic **: Because it contains carboxyl groups (- COOH), it is acidic and can be neutralized with bases. For example, it reacts with sodium hydroxide (NaOH) to generate corresponding carboxylic salts and water. This reaction can be used for the purification or identification of the compound.
2. ** Redox **: The structure contains an oxygen group, and some oxygen elements in the intermediate valence state can exhibit oxidation or reduction. Under the action of strong oxidants such as potassium permanganate ($KMnO_4 $), some of its groups may be oxidized; in case of strong reducing agents such as lithium aluminum hydride ($LiAlH_4 $), the oxygen group may be reduced.
3. ** Substitution reaction **: The hydrogen atom on the benzyl group has a certain activity, and under suitable conditions and the action of reagents, a substitution reaction can occur. For example, in the presence of light or a catalyst, it can undergo a halogenation reaction with halogen elements, and halogen atoms replace the hydrogen on the benzyl group.
4. ** Addition reaction **: The carbon-carbon double bond in the molecule (the double bond referred to by 4Z) can undergo an addition reaction. If hydrogenation occurs with hydrogen under the action of a catalyst, the double bond becomes a single bond; it can also be added with hydrogen halide (such as HCl). According to the Markov rule, hydrogen atoms are added to the double bond carbon atoms containing more hydrogen.
What is the use of (4Z) -4- [ (3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
(This substance) (4Z) -4- [ (3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] -3-oxo-3,4-dihydroquinoxaline-1-carboxylic acid What is the use of this chemical substance?
I look at this chemical substance, its use is wonderful, often related to medicine, chemical industry and other fields. In medicine, it can be used as a key raw material for the creation of new drugs. Due to its unique chemical structure, it may exhibit excellent pharmacological activity for specific diseases. For example, through exquisite design and experiments, it may become a sharp edge against certain difficult diseases, through its precise fit with biological targets in the body, regulate physiological functions and heal diseases.
In the chemical field, it may also have something extraordinary. Or it can be used as an important intermediate for the synthesis of special materials, giving the material unique properties, such as enhancing the stability of the material and changing its optical properties. During the reaction process, it can guide the reaction in a specific direction by virtue of the activity check point of its own structure, so as to construct materials with special purposes to meet the needs of different industrial scenarios.
This is only based on chemical principles and common substance uses. To clarify its exact use, it is necessary to carefully study professional classics and cutting-edge research to obtain an accurate theory.
What are the synthesis methods of (4Z) -4- [ (3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
To prepare (4Z) -4- [ (3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] -3-oxo-3,4-dihydroquinoxaline-1-carboxylic acid, the synthesis method is as follows:
The starting material is selected from compounds containing methyl, benzyl and other corresponding structures. According to the ancient chemical synthesis method, the raw materials need to be carefully treated to make them have suitable reactivity.
First, the raw material containing 3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl structure is cleverly reacted with sulfur-containing reagents to form (3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur intermediates. In this step of the reaction, it is necessary to pay attention to the ratio of the reaction temperature, duration and reagent. If the temperature is too high or too low, the duration is too short or too long, and the ratio is improper, it can cause the deviation of the reaction.
After obtaining this intermediate, react with the raw material containing the related structure of 3-oxo-3,4-dihydroquinoxaline-1-carboxylic acid. This reaction also requires careful regulation of conditions, or specific catalysts, to help the reaction proceed smoothly, so that the two are cleverly combined to obtain the target product (4Z) - 4 - [ (3-methyl-5-oxo-1-benzyl-4,5-dihydro-1H-pyrazole-4-yl) sulfur] - 3-oxo-3,4-dihydroquinoxaline-1-carboxylic acid.
During the synthesis process, the cleanliness and pH of the reaction environment must also be strictly controlled. A little carelessness may cause the formation of impurities, which will affect the purity and yield of the product. After each step of the reaction, the product should be separated and purified by a suitable method to provide pure raw materials for the next reaction, so that a pure target product can be obtained.