Silyl esters of carboxylic acids by phase transfer catalysts
AssigneeConoco Inc.
InventorsMark P. Mack, Charles T. Berge
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Abstract
Silyl esters of carboxylic acids, of the general formula ##STR1## are formed under mild conditions in the presence of a phase transfer catalyst when a silicon halide is contacted with a carboxylic acid salt wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each a hydrogen atom or a hydrocarbon radical. Suitable phase transfer catalysts include quaternary ammonium salts, cryptates and crown ethers.
Claims9
A method for the production of silyl esters of carboxylic acids, said ester having the general formula ##STR7## comprising reacting a carboxylic acid salt with a silicon halide in the presence of phase transfer catalysts selected from the group consisting of quaternary ammonium salts, crown ethers, and cryptates, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are, independently, hydrogen, alkyl groups containing from 1 to 30 carbon atoms, cycloalkyl groups, aralkyl groups, alkaryl groups, aryl groups, and bicycloalkyl groups, all containing from 6 to 30 carbon atoms.
Dependencies are inferred from the claim text.