Hydrocarbylethyl sulfonyl fluoride

Details Hydrocarbylethyl sulfonyl fluoride Hydrocarbylethyl sulfonyl fluoride

1979-06-18

1981-05-26

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 475, 252 484, C07C14370

Patent

active

042697905

ABSTRACT:
Hydrocarbylethyl sulfonyl fluorides in which the hydrocarbyl substituent contains at least 3 carbon atoms, can be prepared by reacting 2-mercaptoethanol with chlorine to form chloroethyl sulfonyl chloride which is treated with aqueous potassium fluoride to yield chloroethyl sulfonyl fluoride, followed by treatment with magnesium oxide to yield vinyl sulfonyl fluoride. The vinyl sulfonyl fluoride is adducted to a hydrocarbyl substituent precursor, such as an olefin or halogenated olefin. A representative compound is polyisobutenyl sulfonyl fluoride. The hydrocarbylethyl sulfonamide products for which the hydrocarbylethyl sulfonyl fluorides are intermediates are useful as additives for lubricating oils.

REFERENCES:
patent: 2114577 (1938-04-01), Schrader et al.
patent: 2801991 (1957-08-01), Hedrick
patent: 2846472 (1958-08-01), Tiers
patent: 3050556 (1962-08-01), Tiers
patent: 3128307 (1964-04-01), Zorn et al.
patent: 4005138 (1977-01-01), Plattner et al.

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