• 1. Regioselective umpolung addition of dicyanobenzene to α,β-unsaturated alkenes enabled by electrochemical reduction
  Sheng Zhang,Wenchao Gao,Jianxue Shi,Jingjing Li,Fengyi Li,Yating Liang,Xuan Zhan,Man-Bo Li Org. Chem. Front. 2022 9 1261

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzenesulfonyl compounds
• Solvents and Organic Chemicals Organic Compounds cyanides/Cyanides

4-Methanesulfonylbenzonitrile: A Comprehensive Overview

4-Methanesulfonylbenzonitrile, also known by its CAS number 22821-76-7, is a chemical compound that has garnered significant attention in the fields of organic chemistry and materials science. This compound is characterized by its unique structure, which combines a benzonitrile group with a methanesulfonyl substituent. The benzonitrile group, a benzene ring with a nitrile functional group, contributes to the compound's aromatic stability and reactivity, while the methanesulfonyl group introduces sulfonamide functionality, enhancing its versatility in various chemical reactions.

The synthesis of 4-methanesulfonylbenzonitrile typically involves multi-step processes, often starting from benzene derivatives. Recent advancements in catalytic methods have enabled more efficient and selective syntheses, reducing production costs and environmental impact. For instance, researchers have explored the use of transition metal catalysts to facilitate the coupling reactions necessary for constructing the benzonitrile framework. These methods not only improve yield but also allow for better control over the stereochemistry of the product.

In terms of physical properties, 4-methanesulfonylbenzonitrile exhibits a melting point of approximately 150°C and is sparingly soluble in common organic solvents such as dichloromethane and ethyl acetate. Its solubility increases in polar aprotic solvents like dimethylformamide (DMF) and dimethyl sulfoxide (DMSO), making it suitable for use in various organic reactions where such solvents are employed. The compound's stability under thermal and oxidative conditions has been extensively studied, with recent findings indicating that it remains stable up to 200°C under inert atmospheres.

The applications of 4-methanesulfonylbenzonitrile span across multiple disciplines. In pharmaceutical chemistry, it serves as an intermediate in the synthesis of bioactive compounds, particularly those targeting kinase enzymes. Its sulfonamide group is known to interact favorably with the ATP-binding pockets of kinases, making it a valuable building block for drug discovery programs. Recent studies have highlighted its potential as a lead compound in anti-cancer therapies, where it has shown promising inhibitory activity against several cancer cell lines.

In materials science, 4-methanesulfonylbenzonitrile has been utilized as a precursor for advanced materials such as polymers and nanoparticles. Its ability to undergo polymerization under specific conditions has led to the development of novel polymeric materials with tailored mechanical and thermal properties. Additionally, researchers have explored its use in nanotechnology applications, where it serves as a stabilizing agent for metal nanoparticles.

The environmental impact of 4-methanesulfonylbenzonitrile has also been a topic of recent research. Studies have shown that the compound undergoes biodegradation under aerobic conditions, with complete mineralization occurring within 30 days in soil microcosms. This suggests that its environmental footprint is relatively low compared to other synthetic chemicals.

In conclusion, 4-methanesulfonylbenzonitrile, CAS number 22821-76-7, stands out as a versatile and valuable compound with applications across diverse fields. Its unique chemical structure, coupled with advancements in synthesis and application techniques, positions it as an important tool in modern chemistry research and development.

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