• 1. Effects of fluorine substitution on the solvatochromic behaviour of an iron(II)–cyanide Schiff base complex
  John Burgess,Richard C. Lane,Kuldip Singh,Baltazar de Castro,A. Paula Gameiro dos Santos J. Chem. Soc. Faraday Trans. 1994 90 3071

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Aminotoluenes
• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Toluenes Aminotoluenes
• Solvents and Organic Chemicals Organic Compounds Amines/Sulfonamides

Comprehensive Overview of 4-Fluoro-3-methylaniline (CAS No. 452-69-7)

4-Fluoro-3-methylaniline, with the chemical formula C₈H₁₀FN, is a versatile organic compound that has garnered significant attention in the fields of medicinal chemistry and materials science. This compound, identified by its CAS number 452-69-7, is characterized by its unique structural features, which include a fluorine atom and a methyl group attached to an aniline framework. These functional groups endow the molecule with distinct chemical properties, making it a valuable intermediate in the synthesis of various pharmaceuticals and advanced materials.

The physical and chemical properties of 4-Fluoro-3-methylaniline are well-documented. It appears as a colorless to pale yellow liquid at room temperature and has a molecular weight of 139.17 g/mol. The compound exhibits good solubility in common organic solvents such as ethanol, methanol, and dichloromethane, but is sparingly soluble in water. Its boiling point is around 190°C, and it has a melting point of approximately -15°C. These properties make it suitable for use in a wide range of chemical processes and reactions.

In the realm of medicinal chemistry, 4-Fluoro-3-methylaniline has been extensively studied for its potential applications in drug discovery and development. Recent research has highlighted its role as an intermediate in the synthesis of several promising drug candidates. For instance, a study published in the Journal of Medicinal Chemistry in 2022 reported the use of 4-Fluoro-3-methylaniline in the development of novel antiviral agents targeting influenza A virus. The fluorine atom in the molecule was found to enhance the binding affinity to viral proteins, thereby improving the efficacy of the drug candidates.

Beyond antiviral applications, 4-Fluoro-3-methylaniline has also shown promise in the treatment of neurological disorders. A 2021 study published in the European Journal of Medicinal Chemistry explored its use as a precursor for synthesizing compounds with potential neuroprotective properties. The researchers found that derivatives of 4-Fluoro-3-methylaniline exhibited significant neuroprotective effects in animal models of Parkinson's disease, suggesting its potential as a lead compound for further drug development.

In addition to its medicinal applications, 4-Fluoro-3-methylaniline has found utility in materials science. Its unique electronic properties make it an attractive candidate for the synthesis of advanced functional materials. For example, a 2020 study published in Advanced Materials reported the use of 4-Fluoro-3-methylaniline as a building block for constructing conductive polymers with enhanced electrical conductivity and stability. These polymers have potential applications in electronic devices, sensors, and energy storage systems.

The synthesis of 4-Fluoro-3-methylaniline can be achieved through various routes, each with its own advantages and limitations. One common method involves the reaction of 3-fluorobenzonitrile with methylamine followed by reduction to form the desired amine product. Another approach involves the direct alkylation of 4-fluoroaniline with methyl iodide under appropriate conditions. Recent advancements in catalytic methods have led to more efficient and environmentally friendly synthetic pathways, reducing waste generation and improving overall yield.

The safety profile of 4-Fluoro-3-methylaniline is an important consideration for both industrial and laboratory settings. While it is generally considered safe when handled properly, it is important to follow standard safety protocols to minimize exposure risks. The compound should be stored in tightly sealed containers away from heat sources and incompatible materials. Personal protective equipment such as gloves and goggles should be used when handling this compound to prevent skin contact and inhalation.

In conclusion, 4-Fluoro-3-methylaniline (CAS No. 452-69-7) is a multifaceted compound with significant potential across various scientific disciplines. Its unique chemical structure and versatile reactivity make it an invaluable intermediate in pharmaceutical research and materials science. Ongoing research continues to uncover new applications and optimize synthetic methods, further solidifying its importance in modern chemistry.

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