Alkanoyloxybenzenesulfonate salt production
AssigneeEthyl Corporation
InventorsBonnie G. McKinnie, Gene C. Robinson
Life of this patent
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Abstract
An alkali metal or an alkaline earth metal salt of an acyloxybenzenesulfonate of the formula: ##STR1## wherein R is a hydrocarbyl group containing up to 30 carbon atoms selected from alkyl, alkenyl, cycloalkyl, aryl, aralkyl and M is an alkali metal or an alkaline earth metal is prepared by reacting at elevated temperature the corresponding hydroxybenzene sulfonate salt of the formula: ##STR2## with an aryl ester of the formula: ##STR3## wherein R is as defined above.
Claims20
A process for the preparation of an alkali metal or an alkaline earth metal salt of an acyloxybenzenesulfonic acid which comprises reacting at elevated temperature in the range of about 200.degree. to about 350.degree. C. the corresponding hydroxybenzenesulfonate salt with an aryl ester of an aliphatic carboxylic acid.
A process for the preparation of an alkali metal or an alkaline earth metal salt of an acyloxybenzenesulfonic acid of the formula:
- ##STR9## wherein R is a hydrocarbyl group containing up to 30 carbon atoms selected from alkyl, alkenyl, cycloalkyl, aryl, aralkyl and M is an alkali metal or an alkaline earth metal which comprises reacting at elevated temperature in the range of about 200.degree. to about 350.degree. C. the corresponding hydroxybenzene sulfonate salt of the formula:
- ##STR10## with an aryl ester of the formula:
- ##STR11## wherein R is as defined above.
Dependencies are inferred from the claim text.