2-amino-7-(1-methylethyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylic acid

This is the chemical name of 2-amino-7- (1-methylethyl) -5-oxo-5H-chromono [2,3-b] pyridine-3-carboxylic acid. To clarify its chemical structure, it can be disassembled and analyzed according to the following.
"Chromono [2,3-b] pyridine", this is the core parent nucleus structure. Chromene is an unsaturated six-membered cyclic structure containing a monoxy heteroatom, fused with the pyridine ring, and according to the label of [2,3-b], the specific position and method of fused two rings are clearly indicated.
"2-amino", which appears to be substituted with an amino group (-NH 2) at the 2nd position of the parent nucleus of chromene and pyridine. "7- (1-methylethyl) ", that is, isopropyl (-CH (CH (CH) 2) at the 7th position of the parent nucleus, and another name for 1-methylethyl, that is, isopropyl. "5-oxo", indicating that there is a carbonyl group (= O) at the 5th position of the parent nucleus. "3-carboxylic acid" means that the parent nucleus has a carboxyl group (-COOH) at the 3rd position.
In summary, the chemical structure of the compound is composed of chromopyridine parent nucleus, amino group at 2 position, carboxyl group at 3 position, carbonyl group at 5 position, and isopropyl group at 7 position. In this way, the chemical structure of 2-amino-7- (1-methethyl) -5-oxo-5H-chromopyridine [2,3-b] pyridine-3-carboxylic acid is outlined.

2-Amino-7- (1-methylethyl) -5-oxo-5H-chromono [2,3-b] pyridine-3-carboxylic acid, which is an organic compound. It has many physical properties.
Looking at its appearance, it is often in the state of white to quasi-white solid powder. This is due to the arrangement and interaction of atoms in its molecular structure, which shows such a macroscopic shape. Its melting point has been determined to be between 250-260 ° C. Due to the intermolecular forces in this temperature range, it is sufficient to overcome the lattice energy and cause it to change from solid state to liquid state.
In terms of solubility, it exhibits good solubility in common organic solvents such as dimethyl sulfoxide (DMSO), because its molecular structure contains polar groups, which match the polarity of DMSO and dissolve according to the principle of similar dissolution; however, in water, the solubility is poor. Although water is a polar solvent, the hydrophobic part of the compound is large, which hinders its full interaction with water molecules.
In terms of stability, it is quite stable under normal temperature, pressure and dry environment. When exposed to strong acids and bases, the amino group, carboxyl group and heterocyclic part of the molecular structure are easy to react with and cause structural changes. Under light conditions, the structural part of chromene and pyridine, or due to the absorption of photon energy, triggers electronic transitions, causing chemical reactions to occur, affecting its stability.
The physical properties of this compound are closely related to the chemical reactions it participates in, applications in drug development, materials science and other fields, and are of great significance for in-depth exploration of its properties and applications.

2-Amino-7- (1-methylethyl) -5-oxo-5H-chromoeno [2,3-b] pyridine-3-carboxylic acid, this is an organic compound with a wide range of uses. In the field of medicine, it may have important medicinal value. After long-term research, physicians have found that such structural compounds may exhibit positive effects on the treatment of specific diseases, or can be used to regulate specific physiological mechanisms of the human body to achieve relief and treatment of diseases.
In the field of organic synthesis, this compound is of great significance as a key intermediate. Organic synthesizers often use its unique structure and reactivity to construct more complex organic molecular structures. By ingeniously designing chemical reaction paths and using them as starting materials, organic compounds with diverse functions and characteristics can be gradually derived, laying the foundation for the research and development of new materials and many other fields.
In the field of materials science, it may also emerge. If the compound can be properly modified and applied, it may endow the material with unique optical, electrical and other properties. For example, in the preparation of optoelectronic device materials, it may be used as a functional component to optimize the photoelectric conversion efficiency of materials and other key performance indicators to promote the development of materials science. From this perspective, 2-amino-7- (1-methylethyl) -5-oxo-5H-chromono [2,3-b] pyridine-3-carboxylic acids have great potential and application prospects in many fields such as medicine, organic synthesis, and materials science. With the deepening of research, it is expected to bring more breakthroughs and innovations in various fields.

To prepare 2 - amino - 7 - (1 - methylethyl) - 5 - oxo - 5H - chromeno [2,3 - b] pyridine - 3 - carboxylic acid, there are many methods.
First take appropriate starting materials, such as phenols and pyridine derivatives with corresponding substituents. Phenols need to contain activity check points that can react with pyridine derivatives. Take a phenol as an example, its phenyl ring has a specific substituent, which can guide the reaction direction and participate in cyclization in subsequent reactions. < Br >
Place phenols and pyridine derivatives in suitable reaction solvents, such as aprotic solvents, such as N, N-dimethylformamide (DMF) or dichloromethane. Such solvents can effectively dissolve raw materials without adverse interference to the reaction process.
Add an appropriate amount of catalyst, which needs to be able to promote the condensation reaction between phenolic hydroxyl groups and active groups on pyridine derivatives. For example, a certain type of Lewis acid catalyst can be selected, which can enhance the activity of the reactants and reduce the activation energy of the reaction.
Warm up to a specific temperature range, so that the reaction system can reach the appropriate reaction conditions. This temperature needs to be precisely regulated. Too high or too low will affect the reaction rate and product purity. After condensation reaction, the intermediate with part of the target structure is initially formed.
Then, the intermediate is further transformed. Through a specific oxidation reaction, the functional groups in the molecule are adjusted. Select a suitable oxidant and control the reaction conditions to oxidize the specific group in the intermediate to the desired carbonyl group to construct a 5-oxo structure.
Next, the oxidized intermediate is introduced into the isopropyl group. With an appropriate isopropylation reagent and under alkali catalysis, the isopropyl group is introduced to the target position to form a 7 - (1 - methylethyl) structure.
Finally, through the carboxylation reaction, the carboxylic group is introduced at a specific position to complete the synthesis of 2-amino-7- (1-methylethyl) -5-oxo-5H-chromeno [2,3-b] pyridine-3-carboxylic acid. After the reaction is completed, the pure target product can be obtained through separation and purification. The whole synthesis process requires fine operation and strict control of the reaction conditions of each step to obtain the ideal result.

2-Amino-7- (1-methylethyl) -5-oxo-5H-chromoeno [2,3-b] pyridine-3-carboxylic acid, this compound has great potential in the field of pharmaceutical research and development, and its market prospect is promising.
To observe the world's pharmaceutical market, the demand for innovative drugs is like the clouds in the drought. This compound has a unique structure or novel pharmacological activity, which can contribute to the creation of new drugs. In the direction of anti-tumor drug research and development, after many researchers have explored, it may be possible to find an opportunity to inhibit the proliferation of tumor cells and induce their apoptosis. In the field of treatment of inflammation-related diseases, it is also expected to regulate the body's inflammatory response and find new therapeutic targets.
Looking at the market level, the number of patients with tumors and inflammatory diseases is increasing worldwide, and the desire for specific drugs is extremely ardent. If this compound can be successfully developed into an effective drug, it will definitely occupy a place in the market. Its research and development success will not only bring the gospel of recovery to patients, but also bring rich returns to related pharmaceutical companies, driving the vigorous development of the pharmaceutical industry, just like the spring breeze blowing, a hundred flowers are blooming. Therefore, the market prospect of 2-amino-7- (1-methylethyl) -5-oxo-5H-chromono [2,3-b] pyridine-3-carboxylic acid is bright, and the future may shine like a bright star in the pharmaceutical firmament.