Perfluoroalkyl derivatives of sulphur. Part XVIII. Reactions of polyfluoroiodoalkanes with sodium methanethiolate in the presence of dimethyl disulphide, and related reactions
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 5,p. 525-532
- https://doi.org/10.1039/p19760000525
Abstract
Reaction of sodium methanethiolate with polyfluoroiodoalkanes in the presence of dimethyl disulphide in dimethyl sulphoxide as solvent gives the corresponding methyl polyfluoroalkyl sulphides in high yield (ca. 80%); optimum conditions for the reaction involving heptafluoro-1-iodopropane have been determined. The reaction also works in the absence of the disulphide (yields ca. 70%) and on replacement of the disulphide by dimethyl sulphide. The reactions of heptafluoro-1-iodopropane with sodium ethanethiolate in the presence of and in the absence of diethyl disulphide and the preparation of some alkyl perfluoroalkyl sulphoxides are also described.Keywords
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