3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide(CAS: 386273-25-2)

3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide is a solid crystalline compound with a molecular weight of approximately 342.31 g/mol. It has a low solubility in water and is moderately soluble in organic solvents such as ethanol and acetone. The compound is known for its stability and reactivity towards nucleophiles, making it useful in various synthetic applications.

3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide is typically synthesized via a multi-step process involving condensation reactions and sulfonation. Commonly, it is prepared from 4-chlorobenzenesulfonamide and 5-methyl-3-phenylisoxazole through an aromatic coupling reaction. The synthesis involves the use of a Lewis acid catalyst and requires precise control of temperature and reagent equivalents to ensure high selectivity and yield.

3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide is primarily used in the pharmaceutical industry for its potential as an intermediate in drug synthesis. It also finds applications in the polymer industry as a stabilizer and in semiconductor manufacturing for its electronic properties. Additionally, it can be used in sensor technology for its reactivity and stability.

When handling 3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. It should be stored in a cool, dry place away from direct sunlight and heat sources. In case of a spill, use appropriate equipment to contain and clean up the material, and ensure proper disposal according to safety data sheet (SDS) guidelines. Always work in a well-ventilated area or fume hood to minimize exposure.