Sulfonamide vs. Sulfonimide — What's the Difference?

In chemistry, the sulfonamide functional group (also spelled sulphonamide) is -S(=O)2-NH2, a sulfonyl group connected to an amine group. Relatively speaking this group is unreactive.

(chemistry) sulfoximide

Any of a group of organic sulfur compounds containing the radical SO2NH2 and including the sulfa drugs.

See sulfa drug.

(chemistry) Any amide of a sulfonic acid RS(=O)₂NR'₂

(pharmaceutical drug) Any of a group of antibiotics; a sulfa drug

Antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA