Illustrated Glossary of Organic Chemistry

Sulfonamide: A functional group characterized by a sulfur atom with two doubly-bonded oxygen atoms, one bond to nitrogen of any hybridization and one bond to carbon of any hybridization.








General sulfonamide
molecular structure.
  
Methanesulfonamide   
N-Methylbenzenesulfonamide   
Sulfadiazine, a sulfa drug.
The sulfonamide moiety is shown in red.