2-(Phenylsulfonylmethyl)benzonitrile from TCI is an aromatic building block with a phenylsulfonylmethyl group and a nitrile group positioned ortho to each other on the same benzene ring. The methylene group between the benzene ring and the sulfone is acidic, so it readily forms a stabilized carbanion. The nitrile group acts as an internal electrophile and can also be converted into amines, amides, or carboxylic acids. In the laboratory, chemists use this compound as an intermediate for building new rings and substituted aromatic frameworks.
What makes this compound especially useful for annulation reactions is the ortho arrangement of the sulfonyl carbanion and the nitrile. After the carbanion reacts with a Michael acceptor, the resulting anion can attack the nitrile intramolecularly to close a new ring. The phenylsulfonyl group can then be eliminated to give an aromatic system. This strategy is analogous to Hauser–Kraus-type annulation and is useful for synthesizing amino-substituted naphthalene derivatives. The sulfone is also a stable functional group, so the compound is relatively easy to handle under routine laboratory conditions.
For organic synthesis and medicinal chemistry laboratories in Indonesia, this compound offers a concise route to fused aromatic frameworks without long multistep sequences. University research groups, pharmaceutical development teams, and academic teaching laboratories working on methodology, heterocycle and carbocycle construction, or analogue libraries can use it as a reliable starting point. Because it comes from TCI, it offers the consistent quality that synthetic chemists need when they repeat procedures across projects and compare results between batches.
- Hauser–Kraus-type annulation: the ortho sulfonyl carbanion and nitrile let a Michael addition be followed by intramolecular ring closure and sulfinate elimination, giving new aromatic rings.
- Synthesis of amino-substituted naphthalenes: the nitrile becomes the carbon that carries the amino group after cyclization, giving direct access to aminonaphthalene derivatives for further study.
- Carbanion chemistry studies: the acidic methylene stabilized by the phenylsulfonyl group forms a carbanion easily, which makes the compound a convenient model substrate for alkylation and conjugate addition work.
- Nitrile functional group transformations: the benzonitrile unit can be converted into amines, amides, or carboxylic acids, so chemists can diversify intermediates during multistep synthesis.
- Medicinal chemistry scaffold building: the compound offers a concise route to substituted and fused aromatic frameworks that research teams can elaborate into compound libraries for screening programs.
| Brand | TCI (product code P1456) |
|---|---|
| CAS number | 82651-72-7 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | as listed on the product page and in TCI documentation |
| Physical form | refer to the TCI certificate of analysis and product documentation |
| Storage | keep tightly closed in a cool, dry place, following TCI's label recommendations |
Store 2-(Phenylsulfonylmethyl)benzonitrile in its original, tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and moisture. Keep it separate from strong oxidizing agents, strong acids, and strong bases. Handle it in a fume hood while wearing appropriate personal protective equipment, including safety glasses, chemical-resistant gloves, and a laboratory coat. Avoid creating or inhaling dust and avoid contact with skin and eyes. Always read the TCI Safety Data Sheet before use, label opened containers clearly, and dispose of waste according to local laboratory and environmental regulations.
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