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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Acetanilides
• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Anilides Acetanilides

Introduction to 4-Acetylamino-3-methyl-benzenesulfonyl chloride (CAS No. 14988-21-7)

4-Acetylamino-3-methyl-benzenesulfonyl chloride, with the CAS number 14988-21-7, is a versatile organic compound that has garnered significant attention in the fields of chemical synthesis, pharmaceutical research, and materials science. This compound is characterized by its unique structure, which includes an acetylamino group, a methyl group, and a sulfonyl chloride moiety. These functional groups endow the molecule with a range of chemical properties that make it valuable for various applications.

The chemical formula of 4-Acetylamino-3-methyl-benzenesulfonyl chloride is C₉H₁₀ClNO₃S. The compound is a white to off-white solid at room temperature and is highly reactive due to the presence of the sulfonyl chloride group. This reactivity makes it an excellent electrophilic reagent in organic synthesis, particularly in the formation of sulfonamides and other sulfur-containing compounds.

In the context of pharmaceutical research, 4-Acetylamino-3-methyl-benzenesulfonyl chloride has been explored for its potential in drug development. Recent studies have highlighted its use as an intermediate in the synthesis of novel antifungal and antibacterial agents. For instance, a 2021 study published in the Journal of Medicinal Chemistry reported the synthesis of a series of sulfonamide derivatives using 4-Acetylamino-3-methyl-benzenesulfonyl chloride. These derivatives exhibited potent antifungal activity against Candida species, making them promising candidates for further development.

Beyond its pharmaceutical applications, 4-Acetylamino-3-methyl-benzenesulfonyl chloride has also found use in materials science. The compound can be employed in the synthesis of functional polymers and coatings. A 2022 study in the Journal of Polymer Science demonstrated the use of this compound as a crosslinking agent in the preparation of polyurethane-based coatings. The resulting coatings exhibited enhanced thermal stability and mechanical strength, which are crucial properties for industrial applications.

The synthetic route to 4-Acetylamino-3-methyl-benzenesulfonyl chloride involves several well-established steps. Typically, the process begins with the reaction of 4-acetamidobenzenesulfonic acid with thionyl chloride to form the corresponding sulfonyl chloride. This reaction is typically carried out under controlled conditions to ensure high yield and purity. The intermediate can then be further modified through various functional group transformations to produce a wide range of derivatives.

The safety and handling of 4-Acetylamino-3-methyl-benzenesulfonyl chloride are important considerations for researchers and industrial users. The compound is known to be highly reactive and can release toxic fumes when heated or exposed to moisture. Therefore, it should be stored in a cool, dry place and handled under well-ventilated conditions. Personal protective equipment (PPE) such as gloves, goggles, and lab coats should be worn during handling to minimize exposure risks.

In conclusion, 4-Acetylamino-3-methyl-benzenesulfonyl chloride (CAS No. 14988-21-7) is a multifaceted compound with significant potential in various scientific and industrial applications. Its unique chemical structure and reactivity make it an invaluable reagent in organic synthesis, pharmaceutical research, and materials science. Ongoing research continues to uncover new uses and properties of this compound, further solidifying its importance in these fields.

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