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Methyl 2 - amino - 5 - bromo - 4 - pyridinecarboxylate
This is the question of chemical naming, called "Methyl 2-amino-5-bromo-4-pyridinecarboxylate", to know its chemical structure. In this naming, "Methyl", methyl is also, is a common group in organic chemistry, denoted by -CH < unk >. "2-amino" means that the amino group is attached to the No. 2 position of the pyridine ring, and the structure of the amino group is -NH < unk >. "5-bromo", the bromine atom is at the No. 5 position of the pyridine ring, and the bromine atom is denoted by -Br. "4-pyridinecarboxylate", there is a carboxylate group attached to the No. 4 position of the pyridine ring. The general structure of the carboxylic acid ester group is -COOR, where "R" is methyl, that is, -COOCH. Pyridine ring is a nitrogen-containing hexamembered heterocycle with unique electron cloud distribution and chemical properties. In summary, the structure of this compound is: pyridine ring as the core, amino-NH2O at No. 2, bromine atom at No. 5 - Br, and carboxylic acid methyl ester at No. 4 - COOCH. In this way, its chemical structure is clear.
Methyl 2 - amino - 5 - bromo - 4 - pyridinecarboxylate
Methyl-2-amino-5-bromo-4-pyridinecarboxylate is an important member of organic compounds. It has a wide range of uses and is often a key intermediate in the creation of new drugs in the field of medicinal chemistry. Due to its unique structure, it can be chemically modified to derive many compounds with specific pharmacological activities, or can be used to fight various diseases, such as inflammation and tumors.
In the field of materials science, methyl-2-amino-5-bromo-4-pyridinecarboxylate is also useful. After specific processing, materials with special optical and electrical properties can be prepared, or applied to optoelectronic devices, such as Light Emitting Diode, solar cells, etc., to contribute to the improvement of device performance.
Furthermore, in the field of pesticide chemistry, using this as the starting material, through a series of reactions, may be able to synthesize pesticides with high insecticidal and bactericidal activities. Because of its structure can be precisely designed, the synthesized pesticides are highly selective to specific target organisms and have a small impact on the environment, in line with the current concept of green chemistry.
Overall, methyl-2-amino-5-bromo-4-pyridinecarboxylate has important applications in many fields such as medicine, materials, and pesticides, and is an indispensable substance for chemical research and industrial production.
Methyl 2 - amino - 5 - bromo - 4 - pyridinecarboxylate
There are several methods for the synthesis of fugmethyl-2-amino-5-bromo-4-pyridine carboxylic acid esters. The pyridine derivative is usually used as the starting material and obtained through a series of chemical reactions.
At first, a suitable pyridine compound can be found, and bromine atoms can be introduced at a specific position. This method of bromination, or liquid bromine and a suitable catalyst, selectively replaces the hydrogen atom at the target position on the pyridine ring at a specific temperature and reaction environment to obtain 5-bromo pyridine derivatives.
At times, amino groups are introduced. In this process, an ammonia source, such as ammonia or an organic amine, is used to replace the group at another specific position on the pyridine ring under suitable reaction conditions, thereby generating 2-amino-5-bromopyridine derivatives.
As for the formation of carboxyl esters, the corresponding carboxylic acids and alcohols are often reacted in organic solvents under the action of condensing agents such as dicyclohexyl carbodiimide (DCC) or other suitable condensation reagents to convert carboxylic groups into carboxylic acid ester groups, and finally synthesize methyl-2-amino-5-bromo-4-pyridine carboxylic acid esters. < Br >
There may also be other synthesis paths, which can be synthesized from different starting materials through different reaction steps, halogenation, amination, esterification and other reactions. However, each method needs to consider many factors such as reaction conditions, reagent selection, yield and purity to ensure that the synthesis process is efficient and the product reaches the desired quality.
Methyl 2 - amino - 5 - bromo - 4 - pyridinecarboxylate
Methyl-2-amino-5-bromo-4-pyridine carboxylic acid ester, this physical property belongs to the category of organic chemistry. Looking at its structure, it contains bromine atoms, amino groups, ester groups and pyridine rings. These numbers co-structure its chemical nature and give it unique physical properties.
First of all, its properties, under normal circumstances, or white to light yellow crystalline powder, this is due to the orderly arrangement of molecules and uniform light reflection. And due to the influence of intermolecular forces, the powder morphology is stable and not easy to agglomerate.
Melting point is a key indicator to consider its physical properties. The melting point of methyl-2-amino-5-bromo-4-pyridyl carboxylate is within a certain range, between [X] ° C and [X] ° C. The melting point is closely related to the intermolecular forces. The conjugation system of the pyridine ring and the hydrogen bond between the amino group and the carboxyl group all enhance the intermolecular attraction, so that the lattice requires higher energy to be destroyed, so it has a higher melting point.
Solubility is also an important physical property. This substance has a certain solubility in organic solvents, such as ethanol, dichloromethane, etc. Hydrogen-oxygen bonds in ethanol can form hydrogen bonds with amino and ester groups of compounds to promote dissolution; although dichloromethane has no active hydrogen, its molecular polarity is suitable, and it matches the structure of the compound. Intermolecular van der Waals force is used to disperse the compound. However, in water, the solubility is relatively low, because the polarity of water molecules is strong, and although the compound contains polar groups, the overall hydrophobic part (pyridine ring, bromine atom, etc.) has a greater influence, and the interaction with water molecules is weak, so it is difficult to dissolve.
Furthermore, its density is about [X] g/cm ³. The size of the density is determined by the molecular weight and the degree of molecular accumulation. The pyridine ring and bromine atoms increase the molecular weight, and the molecules are arranged in an orderly manner, with high space utilization, so it has a certain density value.
In summary, the physical properties of methyl-2-amino-5-bromo-4-pyridyl carboxylic acid esters, such as properties, melting point, solubility, density, etc., are determined by their unique molecular structures. This knowledge is essential for applications in organic synthesis, medicinal chemistry, and other fields.
Methyl 2 - amino - 5 - bromo - 4 - pyridinecarboxylate
The price range of methyl-2-amino-5-bromo-4-pyridyl carboxylate on the market is difficult to say exactly. The price of this compound is often influenced by many factors.
One is related to its purity. If the purity is extremely high and almost flawless, its price will be high; if it contains some impurities and the purity is slightly inferior, the price may drop. For example, those with a purity of more than 99% are different from those with a purity of 95%.
Second, the yield is also the key. If the market demand for it is wide and the production scale is large, according to the reason of supply and demand, its price may be slightly reduced due to scale benefits; if the output is scarce, it can only be supplied in small quantities, and the price will be high.
Third, the difficulty of preparation also affects the price. If the preparation requires complicated steps and rare raw materials are used, the cost will be high, and the price will follow; if the preparation process is relatively simple and the cost is controllable, the price may be close to the people.
Looking at the past "Tiangong Kaiwu", the price of various products varies depending on raw materials, processes, supply and demand. The same is true for methyl-2-amino-5-bromo-4-pyridyl carboxylate. According to common sense, the price of this compound may fluctuate between tens of yuan and hundreds of yuan per gram, but this is only a rough estimate. The actual price depends on factors such as the specific merchant and the time and place of the transaction.
