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1-Bromo-2-ethoxy-4,5-difluorobenzene (CAS No. 1266253-71-7): A Comprehensive Overview

1-Bromo-2-ethoxy-4,5-difluorobenzene (CAS No. 1266253-71-7) is a versatile organic compound that has garnered significant attention in the fields of chemical synthesis and pharmaceutical research. This compound, characterized by its unique molecular structure, holds potential applications in the development of novel drugs and materials. This article provides a detailed overview of 1-Bromo-2-ethoxy-4,5-difluorobenzene, including its chemical properties, synthesis methods, and recent advancements in its utilization.

Chemical Properties

1-Bromo-2-ethoxy-4,5-difluorobenzene is a brominated aromatic compound with the molecular formula C₉H₈BrF₂O. It has a molecular weight of 238.06 g/mol and exists as a colorless liquid at room temperature. The compound is characterized by its bromine atom, which imparts reactivity and versatility in synthetic transformations. The presence of ethoxy and difluoro substituents further enhances its chemical properties, making it an attractive starting material for various synthetic routes.

The solubility of 1-Bromo-2-ethoxy-4,5-difluorobenzene in organic solvents such as dichloromethane, acetone, and ethanol is notable, facilitating its use in solution-phase reactions. Its boiling point is around 160°C at 760 mmHg, and it has a density of approximately 1.49 g/cm3 at 20°C. These physical properties make it suitable for a wide range of chemical processes and applications.

Synthesis Methods

The synthesis of 1-Bromo-2-ethoxy-4,5-difluorobenzene can be achieved through several routes, each with its own advantages and limitations. One common method involves the bromination of 2-ethoxy-4,5-difluorobenzene using elemental bromine or N-bromosuccinimide (NBS) in an appropriate solvent such as dichloromethane or acetic acid. This reaction typically proceeds via an electrophilic aromatic substitution mechanism.

An alternative approach involves the reaction of 4,5-difluoroacetophenone with ethyl iodide in the presence of a base such as potassium carbonate to form the corresponding ethyl ether intermediate. Subsequent bromination using NBS yields the desired product. This method offers better control over regioselectivity and can be optimized for higher yields.

Applications in Pharmaceutical Research

1-Bromo-2-ethoxy-4,5-difluorobenzene has found applications in pharmaceutical research due to its potential as a building block for the synthesis of bioactive molecules. Recent studies have explored its use in the development of new drugs targeting various diseases. For instance, researchers have utilized this compound as a key intermediate in the synthesis of fluorinated analogs of known drugs, which exhibit improved pharmacological properties such as enhanced potency and reduced side effects.

In one notable study published in the Journal of Medicinal Chemistry, scientists synthesized a series of fluorinated derivatives from 1-Bromo-2-ethoxy-4,5-difluorobenzene and evaluated their biological activities against cancer cell lines. The results showed that several compounds exhibited significant antiproliferative effects, suggesting their potential as anticancer agents.

Molecular Modeling and Computational Studies

Molecular modeling and computational studies have provided valuable insights into the structure-property relationships of 1-Bromo-2-ethoxy-4,5-difluorobenzene. These studies help predict the behavior of the compound in different environments and guide experimental design. Density functional theory (DFT) calculations have been used to investigate the electronic structure and reactivity of this compound.

A recent computational study published in the Journal of Chemical Information and Modeling utilized DFT to explore the electronic properties and reactivity patterns of 1-Bromo-2-ethoxy-4,5-difluorobenzene. The results indicated that the presence of fluorine atoms significantly influences the electronic distribution on the aromatic ring, enhancing its reactivity towards nucleophilic substitution reactions.

Safety Considerations and Handling Guidelines

Safety is paramount when handling any chemical compound. While 1-Bromo-2-ethoxy-4,5-difluorobenzene is not classified as a hazardous material under current regulations, it is important to follow standard laboratory safety protocols to ensure safe handling and storage. Proper personal protective equipment (PPE) such as gloves, goggles, and lab coats should be worn at all times when working with this compound.

The compound should be stored in tightly sealed containers away from direct sunlight and sources of heat or ignition. It is also advisable to store it separately from incompatible materials such as strong oxidizers or bases to prevent unwanted reactions.

FUTURE PERSPECTIVES AND CONCLUSIONS

The unique chemical properties and versatility of 1-Bromo-2-ethoxy-4,5-difluorobenzene make it an attractive candidate for further research and development in various fields. Ongoing studies are exploring its potential applications in drug discovery, materials science, and other areas where fluorinated compounds are highly valued.

In conclusion, 1-Bromo-2-ethoxy-4,5-difluorobenzene (CAS No. 1266253-71-7) is a promising organic compound with a wide range of potential applications. Its chemical properties, synthesis methods, and recent advancements in its utilization highlight its significance in both academic research and industrial settings. As research continues to uncover new possibilities for this compound, it is likely to play an increasingly important role in future scientific endeavors.

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