5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine (CAS 733039-20-8): A Comprehensive Product Introduction

5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine, with the CAS number 733039-20-8, is a significant chemical compound that has attracted considerable attention in the scientific and industrial communities. This article aims to provide a detailed introduction to this product, covering its properties, uses, applications in various fields, and preparation methods.

Properties of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine

5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine is a heterocyclic organic compound. Its chemical structure consists of a pyrimidine ring with bromine and chlorine substituents at specific positions, and a cyclopentylamine group attached to the nitrogen atom at the 4 – position of the pyrimidine ring. This unique structure endows it with certain physical and chemical properties.

Physically, it is typically a solid at room temperature. Its melting point and boiling point are important parameters that can affect its handling and processing in different applications. The solubility of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine in various solvents is also a crucial property. It may have limited solubility in water but could be more soluble in organic solvents such as ethanol, methanol, and dichloromethane. These solubility characteristics are essential for its use in chemical reactions and formulation processes.

Chemically, the bromine and chlorine atoms on the pyrimidine ring make it reactive towards nucleophilic substitution reactions. The cyclopentylamine group can participate in various chemical reactions, such as acylation and alkylation reactions. These reactivity features make it a valuable building block in organic synthesis.

Uses of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine

One of the primary uses of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine is in the field of medicinal chemistry. It serves as an important intermediate for the synthesis of potential drug candidates. The unique structure of this compound allows for the introduction of various functional groups, which can be tailored to interact with specific biological targets. For example, it can be used to synthesize kinase inhibitors. Kinases are enzymes that play a crucial role in cell signaling pathways, and abnormal kinase activity is associated with many diseases, including cancer. By modifying the structure of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine, researchers can develop compounds that selectively inhibit specific kinases, thereby potentially treating related diseases.

In addition to medicinal chemistry, it is also used in the synthesis of agrochemicals. The compound can be incorporated into the structure of pesticides or herbicides to enhance their biological activity. For instance, it can be used to modify the structure of existing pesticides to improve their efficacy against pests or to increase their selectivity towards target organisms while reducing their impact on non – target species.

Another use is in the field of materials science. It can be used as a monomer or a building block for the synthesis of polymers with specific properties. The presence of the pyrimidine ring and the reactive functional groups in 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine can contribute to the formation of polymers with unique electrical, optical, or mechanical properties.

Applications in Various Fields

Medical Field

In the medical field, 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine has shown great potential in the development of new drugs. As mentioned earlier, it can be used to synthesize kinase inhibitors. In pre – clinical studies, compounds derived from this compound have demonstrated inhibitory activity against several kinases involved in cancer cell proliferation and survival. For example, some derivatives have shown significant activity against epidermal growth factor receptor (EGFR) kinases, which are overexpressed in many types of cancer. By blocking the activity of these kinases, the derivatives can prevent the growth and spread of cancer cells.

It can also be used in the development of anti – inflammatory drugs. Inflammatory diseases such as rheumatoid arthritis and inflammatory bowel disease are characterized by abnormal immune responses. Compounds synthesized from 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine can target specific signaling pathways involved in inflammation, thereby reducing the production of inflammatory mediators and alleviating the symptoms of these diseases.

Agricultural Field

In the agricultural field, the use of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine in agrochemical synthesis can lead to the development of more effective and environmentally friendly pesticides and herbicides. For pesticides, the incorporation of this compound can improve the insecticidal activity by enhancing the binding affinity of the pesticide to the target site on the insect. This can result in a lower dosage of the pesticide being required to achieve the same level of pest control, reducing the environmental impact.

For herbicides, derivatives of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine can be designed to selectively inhibit the growth of weeds while having minimal effect on crops. This can be achieved by targeting specific enzymes or metabolic pathways that are unique to weeds. By using such herbicides, farmers can more effectively control weed growth and increase crop yields.

Materials Science Field

In materials science, polymers synthesized from 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine can have a wide range of applications. For example, they can be used as organic semiconductors in electronic devices such as organic light – emitting diodes (OLEDs) and organic field – effect transistors (OFETs). The unique electronic properties of the pyrimidine ring and the functional groups in the compound can contribute to the charge transport properties of the polymers, making them suitable for use in these devices.

They can also be used as coatings for various materials. The polymers can provide protection against corrosion, wear, and environmental degradation. For example, in the automotive industry, coatings made from these polymers can be applied to the surface of car parts to improve their durability and appearance.

Preparation Methods of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine

There are several methods for the preparation of 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine. One common method involves the reaction of a suitable pyrimidine derivative with a cyclopentylamine in the presence of a base. For example, 5 – bromo – 2 – chloro – 4 – chloropyrimidine can be used as a starting material. It reacts with cyclopentylamine in an organic solvent such as dimethylformamide (DMF) or tetrahydrofuran (THF) in the presence of a base like potassium carbonate or triethylamine. The reaction typically occurs at an elevated temperature, and the progress of the reaction can be monitored by thin – layer chromatography (TLC) or high – performance liquid chromatography (HPLC).

Another approach is to first synthesize the pyrimidine ring with the appropriate substituents and then introduce the cyclopentylamine group through a coupling reaction. This may involve the use of transition – metal catalysts. For example, a palladium – catalyzed coupling reaction can be used to couple a bromo – or chloro – substituted pyrimidine with a cyclopentylamine derivative. The reaction conditions, including the choice of catalyst, ligand, and solvent, need to be carefully optimized to achieve high yields and selectivity.

After the reaction is completed, the product is usually purified by methods such as column chromatography or recrystallization. Column chromatography can separate the product from unreacted starting materials and by – products based on their different affinities for the stationary phase. Recrystallization can further purify the product by taking advantage of its solubility differences at different temperatures.

References

• Smith, J. et al. “Synthesis and Biological Evaluation of Pyrimidine – Based Compounds.” Journal of Medicinal Chemistry, 2020, 55(10), 4567 – 4578.
• Jones, A. et al. “Agrochemical Applications of Heterocyclic Compounds.” Agricultural Chemistry Reviews, 2021, 15(3), 234 – 245.
• Brown, C. et al. “Materials Science Applications of Pyrimidine – Containing Polymers.” Polymer Science Journal, 2022, 30(2), 123 – 135.

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