sulphonyl Chem.
(ˈsʌlfənaɪl)
Also (U.S.) sulf-.
[f. sulphone + -yl.]
The divalent radical {b1}SO2{b1}, derived from a sulphonic acid group by removal of the {b1}OH group. Usu. attrib.
| 1920 Chem. Abstr. XIV. 1947 Place 3 g. of pulverized sulfonyl chloride in a round-bottomed flask. 1953 Chem. & Engin. News 5 Jan. 91/3 The inorganic name of the radical SO2 is sulfuryl, while its organic name is sulfonyl. 1975 R. F. Brown Org. Chem. xxix. 956 Some of the sulfonyl chlorides and esters have been used so often that trivial names have been coined. |
Hence ˌsulphonyˈlation, conversion into a sulphonyl compound; (as a back-formation) sulˈphonylate v. trans.
| 1956 Chem. Abstr. L. 10677/1 (heading) Friedel-Crafts acylation and sulfonylation reactions. 1979 Tetrahedron Lett. Sept. 3790 The mild conditions used in this sulphonylation provide some advantages over the more usual preparative methods for unsymmetrical sulphones. 1980 Chem. Abstr. XCIII. 843/2 Thiazole hydrobromide was sulfonylated with..arsenesulfonyl chlorides to give the corresponding 7-sulfonylthiazolium chlorides. |