1,1'-(m-phenylene)bis-1h-pyrrole-2,5-dione

This is a 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione, and its chemical structure is composed of two 1H-pyrrole-2,5-diones connected by m-phenylene. 1H-pyrrole-2,5-dione contains a pyrrole ring, and the 2,5 positions on the ring are replaced by carbonyl groups. The m-phenylene group is the substituted two hydrogens of the phenyl ring, and here it is connected to 1H-pyrrole-2,5-dione. Overall, two 1H-pyrrole-2,5-diones are connected by m-phenylene, thus forming the unique chemical structure of this compound. This structure endows it with specific chemical properties and reactivity, and has potential applications in many fields such as organic synthesis and materials science.

1% 2C1% 27-% 28m - phenylene% 29bis - 1h - pyrrole - 2% 2C5 - dione is 1,1 '- (m-phenylene) bis - 1H - pyrrole - 2,5 - dione, which is widely used.
First, in the field of materials science, it is often used as a key monomer for the synthesis of high-performance polymers. With its special molecular structure, it can be polymerized to produce polymer materials with excellent mechanical properties, thermal stability and chemical stability. Such polymers are used in industries such as aerospace and automotive manufacturing that require strict material properties. They are used to manufacture structural components, composites, etc., which can significantly improve the comprehensive properties of materials and meet the needs of extreme conditions.
Second, in the field of electronics, it exhibits unique electrical properties. After appropriate modification and processing, organic semiconductor materials can be prepared and applied to electronic devices such as organic field effect transistors and organic Light Emitting Diodes. Such organic electronic devices have the advantages of lightness, good flexibility, and solution processing, and have broad application prospects in emerging fields such as wearable devices and flexible displays.
Third, in the field of biomedicine, some of its derivatives have potential biological activity. Scientists have modified and modified their structures to study their effects on specific biological targets, hoping to develop new drugs. In addition, due to its good chemical stability and biocompatibility, it can also be used to prepare drug carriers, achieve targeted drug delivery and controlled release, improve drug therapeutic effect and reduce side effects.
Fourth, in the field of catalysis, 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione and its derivatives can be used as ligands to coordinate with metal ions to form catalysts. Such catalysts exhibit high activity and selectivity in organic synthesis reactions, can effectively catalyze a variety of chemical reactions, improve reaction efficiency and product purity, and have important application value in fine chemical, pharmaceutical and other industries.

1% 2C1% 27-% 28m - phenylene% 29bis - 1h - pyrrole - 2% 2C5 - dione is 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione, which is an organic compound with many unique physical properties.
Looking at its appearance, under room temperature and pressure, it is often solid, or powdered, or crystalline. The specific morphology varies according to the synthesis and treatment conditions. The powder is delicate, and the crystallization has a regular geometric shape.
When it comes to solubility, this compound exhibits certain solubility in common organic solvents such as dichloromethane, chloroform, N, N-dimethylformamide (DMF), etc. In dichloromethane, it can be well dissolved to form a clear solution. This property is of great significance in organic synthesis, separation and purification steps. It can be dissolved and recrystallized by suitable solvents to achieve the purpose of purification.
In terms of melting point, due to strong interactions between molecules, such as hydrogen bonds, π-π stacking, etc., its melting point is relatively high. Specific temperature conditions are required to convert it from solid to liquid. The exact melting boiling point value will vary depending on the purity and measurement method. High melting point indicates that the compound has good thermal stability and can maintain the stability of solid structure and properties within a certain temperature range.
In terms of density, although the exact value varies depending on specific conditions, as an organic compound, its density is usually similar to that of common organic solids. The property of density has a great influence on the application of materials, which is related to its distribution and performance in specific systems.
In addition, the molecular structure of 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione contains a conjugated system, which gives it certain optical properties. Or under the irradiation of specific wavelengths of light, it exhibits absorption or emission characteristics, which may have potential application value in optoelectronic devices, fluorescent materials and other fields.

1% 2C1% 27-% 28m - phenylene% 29bis - 1h - pyrrole - 2% 2C5 - dione is 1,1 '- (m-phenylene) bis - 1H - pyrrole - 2,5 - dione. There are many methods for synthesizing this compound. The following is a brief description of yours.
First, isophenylenediamine and maleic anhydride are used as starting materials, and in an organic solvent such as N, N - dimethylformamide (DMF), heated to an appropriate temperature, the two undergo a condensation reaction. During this process, the carbonyl group of maleic anhydride and the amino group of isophenylenediamine are condensed and dehydrated to form the target product. The reaction requires strict control of temperature and material ratio to ensure yield and purity. Too high or too low temperature may affect the reaction process and product quality.
Second, isophthalyl chloride and pyrrole can also be used as raw materials. The two are placed in an appropriate solvent such as dichloromethane and reacted in the presence of an acid binding agent such as triethylamine. The acid binding agent can neutralize the hydrogen chloride generated by the reaction and promote the positive progress of the reaction. This reaction condition is relatively mild, but requires high purity of raw materials and reaction operation.
Third, coupling reaction catalyzed by transition metals. Using isophthalic diborate or isohalogenated benzene derivatives and pyrrole derivatives as raw materials, under the action of transition metal catalysts and ligands such as palladium, the reaction is carried out in an appropriate base and solvent system. Although this method is a little complicated, it can accurately construct the target molecular structure, which is particularly suitable for the synthesis of specific substituents.
When synthesizing, it is necessary to carefully select a suitable synthesis method according to actual needs, considering factors such as raw material cost, reaction conditions, yield and purity.

1% 2C1% 27-% 28m - phenylene% 29bis - 1h - pyrrole - 2% 2C5 - dione, this is the expression of chemical substance, Chinese or 1,1 '- (m-phenylene) bis - 1H - pyrrole - 2,5 - dione. However, in the market, its price is quite difficult to determine.
Because its price is affected by many factors. The first one is the price of raw materials for the production of this product. If the raw materials required for preparation are scarce and difficult to find, or the price of raw materials fluctuates greatly due to changes in market supply and demand, the price of 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione will also fluctuate.
Furthermore, the complexity of the production process also affects the price. If the preparation requires exquisite and complex processes, high equipment and technical requirements, and requires a lot of manpower, material and financial resources in the production process, the cost will be high, and the price will rise accordingly.
In addition, the market supply and demand situation is crucial. If the market demand for this product is strong and the supply is limited, the price will rise; conversely, if the supply exceeds the demand, the merchant may reduce the price to sell inventory.
Again, the purity of the product also affects the price. High purity 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione, due to difficulty in preparation, or used in high-end fields, its price is often higher than that of ordinary purity.
In summary, in order to know the exact market price of 1,1 '- (m-phenylene) bis-1H-pyrrole-2,5-dione, it is necessary to comprehensively consider various factors such as raw materials, processes, supply and demand, and purity, and should pay attention to market dynamics in real time to obtain more accurate price information.