Reactions of polyfluoroalkenylsulfenyl chlorides with carbonyl compounds
作者:A. N. Kovregin、A. Yu. Sizov、A. F. Ermolov、A. F. Kolomiets
DOI:10.1007/bf02496347
日期:2000.10
Polyfluorinated 1-fluoroalk-1-enylsulfenyl chlorides react with ketones RCOCH2R′ to give unsaturated sulfides. The latter undergo smooth cyclization into 2-alkylidene-1,3-oxathioles in the presence of BF3·NEt3.