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sulfonamide
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sulfonamide

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Also known as sulphonamide, sulfonamides, sulphonamides, sulfonamide compound, sulfonic acid amide

thumb|200px|The structure of the sulfonamide group

Wikidata facts

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CXSMILES
[*]S(=O)(=O)N([*])[*] |$R1;;;;;R2;R3$|
SMARTS notation
*-[#7](-*)S(*)(=O)=O
Commons category
Sulfonamides
canonical SMILES
[*]S(=O)(=O)N([*])[*]
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~4 min read

Article

6 sections
Contents
  • Synthesis and reactions
  • Sultams<span class="anchor" id="Sultams"></span>
  • Disulfonimides
  • See also
  • References
  • Further reading

thumb|200px|The structure of the sulfonamide group

In organic chemistry, the sulfonamide functional group (also spelled sulphonamide) is an organosulfur group with the structure . It consists of a sulfonyl group () connected to an amine group (). Relatively speaking this group is unreactive. Because of the rigidity of the functional group, sulfonamides are typically crystalline; for this reason, the formation of a sulfonamide is a classic method to convert an amine into a crystalline derivative which can be identified by its melting point. Many important drugs contain the sulfonamide group.

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