Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1980-11-05
1982-09-28
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
562589, 260513R, C07C 5900
Patent
active
043519555
ABSTRACT:
Acetone cyanohydrin is converted to alpha-hydroxyisobutyric acid by contacting the cyanohydrin with alpha-hydroxymethanesulfonic acid and water at a temperature of about 70.degree.-125.degree. C. The alpha-hydroxymethanesulfonic acid is an equilibrium product of the reaction of water, sulfur dioxide and formaldehyde.
REFERENCES:
patent: 2229897 (1941-01-01), Migrdichian
Slaugh Lynn H.
Willis Carl L.
Killos Paul J.
Shell Oil Company
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