Surfactants derived from 2-(2-hydroxyphenyl)benzenesulfinate and alkyl-substituted derivatives
AssigneeEnergy BioSystems Corporation
InventorsElaine A. Lange, Qun Lin, Kurt R. Nielsen, Christopher C. Dooyema
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Abstract
The present invention relates to compounds having utility as surfactants which are derived from intermediates produced in petroleum biodesulfurization processes. The compounds of the invention include acyloxybiphenylsulfinates, acyloxybiphenylsulfonates, alkyl sulfinatobiphenyl ethers and alkyl sulfonatobiphenyl ethers. The invention also provides methods of producing these compounds.
Claims11
A compound of Formula I, ##STR5## wherein R.sub.2 -R.sub.9 are each, independently, hydrogen, a substituted or unsubstituted, normal, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, an hydroxyl group, a cyano group, a nitro group or a halogen atom;
- R.sub.1 is a moiety of the formula YC(O)O-- or YO--, wherein Y is a hydrophobic group;
- and n is 1 or 2.
A compound of Formula I, ##STR6## wherein R.sub.2 -R.sub.9 are each, independently, hydrogen, a substituted or unsubstituted, normal, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, an hydroxyl group, an amino group, an alkoxy group, a cyano group, a nitro group or a halogen atom;
- n is 1 or 2;
- and R.sub.1 is a moiety of the formula HOCH.sub.2 CH.sub.2 (OCH.sub.2 CH.sub.2).sub.m O-- or CH.sub.3 CH(OH)CH.sub.2 (OCH(CH.sub.3)CH.sub.2).sub.m O--, wherein m is an integer from 0 to about 20.
A compound of Formula II, ##STR7## wherein R.sub.2 -R.sub.9 are each, independently, a hydrogen atom or a straight chain or branched C.sub.1 -C.sub.24 -alkyl group;
- at least one of R.sub.2 -R.sub.5 is a sulfonate group and the remainder are each, independently, a hydrogen atom or a normal, branched or cyclic C.sub.1 -C.sub.24 -alkyl group;
- R.sub.1 is a hydroxyl group, a group YC(O)O-- or YO--, wherein Y is a hydrogen atom or a hydrophobic group;
- or a moiety of the formula HOCH.sub.2 CH.sub.2 (OCH.sub.2 CH.sub.2).sub.m O-- or CH.sub.3 CH.sub.2 CH.sub.2 O(CH(CH.sub.3)CH.sub.2 O).sub.m --, wherein m is an integer from 0 to about 20.
A method of producing a compound of Formula I, ##STR8## wherein R.sub.2 -R.sub.9 are each, independently, hydrogen, a substituted or unsubstituted, normal or branched alkyl group, a substituted or unsubstituted aryl group, an hydroxyl group, an amino group, an alkoxy group, a cyano group, a nitro group or a halogen atom;
- R.sub.1 is a group of the formula YC(O)O-- wherein Y is a normal, branched or cyclic, substituted or unsubstituted alkyl group;
- and n is 1 or 2;
- comprising the step of reacting a compound of Formula III, ##STR9## wherein R.sub.2 -R.sub.9 and n have the meanings given above, with a carboxylic acid or activated carboxylic acid of the formula Y--C(.dbd.O)X, wherein Y has the meaning given above and X is --OH or a leaving group.
A method of producing a compound of Formula I, ##STR10## wherein R.sub.2 -R.sub.9 are each, independently, hydrogen, a substituted or unsubstituted, normal or branched alkyl group, a substituted or unsubstituted aryl group, an hydroxyl group, an amino group, an alkoxy group, a cyano group, a nitro group or a halogen atom;
- R.sub.1 is a group of the formula YO--, wherein Y is a normal, branched or cyclic, substituted or unsubstituted alkyl group;
- and n is 1 or 2;
- comprising the step of reacting a compound of Formula III, ##STR11## wherein R.sub.2 -R.sub.9 and n have the meanings given above, with a compound of the formula YX, wherein Y has the meaning given above and X is a leaving group.
Dependencies are inferred from the claim text.