Wiktionary
sulfinamide
n. (context chemistry English) any amide of a sulfinic acid RS(=O)NR'2
Wikipedia
Sulfinamide
Sulfinamide is a functional group in organic chemistry containing a sulfur- oxygen double bond and a sulfur- nitrogen single bond. Sulfinamides are amides of sulfinic acid.
Chiral sulfinamides such as tert-butanesulfinamide, p-toluenesulfinamide and 2,4,6-trimethylbenzenesulfinamide are relevant to asymmetric synthesis.