sulfenyl groups
Groups having the structure RS– (RH). This term is derived from sulfenic acids. The synonymous term sulfanyl groups is derived from sulfane, H2S. E.g. CH3–S– methanesulfenyl, methylthio or methylsulfanyl.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1368 (