Process for producing sulfones

Details Process for producing sulfones Process for producing sulfones

1976-01-09

1977-10-11

Edmundson, F.C.

Chemistry: electrical and wave energy

Processes and products

C25B 304

Patent

active

040534022

ABSTRACT:
A process for producing sulfones in which sulfur dioxide is electrolytically transformed into SO.sub.2.sup.- ions and caused to react with organic compounds having functional groups replaceable by SO.sub.2.sup.-, in an aprotic organic solvent, to produce the corresponding organosulfone. According to the present improvement, an ester such as sulfonic acid or sulfuric acid ester, is added to the solvent as an organic compound capable of reacting with halogen ions of a salt, such as tetraalkylamoniumhalogenide or tetraalkylphosphoniumhalogenide, introduced into the solvent as a conductivity-promoting agent.

REFERENCES:
patent: 3344047 (1967-09-01), Neikam
patent: 3764492 (1973-10-01), Boizer et al.
Knittel et al, J. of Applied Electrochemistry, pp. 291-296, (1973).

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