Method for the preparation of aliphatic and alicyclic sulphonic

Details Method for the preparation of aliphatic and alicyclic sulphonic Method for the preparation of aliphatic and alicyclic sulphonic

1972-09-13

1976-05-11

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260513R, C07C14300

Patent

active

039563715

ABSTRACT:
A process for the preparation of saturated, nonbranched aliphatic or alicyclic sulphonic acids by reacting the corresponding hydrocarbons with sulphur dioxide and elementary oxygen is disclosed, in which process the reaction is carried out in the presence of copper as a catalyst. Reaction rates, considerably higher than those previously reported in literature, are obtained and the formation of by-products resulting in discolouration of the sulphonic acid is counteracted.

REFERENCES:
patent: 2038369 (1936-04-01), Lege
patent: 2507088 (1950-05-01), Bradley
patent: 3260741 (1966-07-01), Mackinnon et al.
patent: 3341561 (1967-09-01), Starks
patent: 3413337 (1968-11-01), Bost
Topchiev et al., Chem. Abstract, 51, 16111 e (1957).
E. E. Gilbert, "Sulfonation and Related Reactions," Interscience, N.Y. pp. 132-134 (1965).
Ambler et al. J. Industrial & Engineering Chem., 12, p. 968 (1920).

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