Patent ID: 8097644

Claim:
A compound represented by the general formula wherein n is 0 or an integer of from 1 to 6; r is 0 or an integer of from 1 to 6; Y is R 6 , or a carbocyclic aryl group comprising from 6 to 14 carbon atoms R 1 is straight or branched chain alkyl having 2 to 12 carbons; R 4 is selected from the group consisting of hydrogen, straight or branched chain alkyl having 1 to 12 carbons, cycloalkyl having 3 to 6 carbons, alkenyl having 2 to 6 carbons and 1 or 2 double bonds, alkynyl having 2 to 6 carbons and 1 or 2 triple bonds, aryl, halo, C 1 to C 12 haloalkyl, hydroxy, C 1 to C 12 alkoxy, C 1 to C 12 alkylcarbonyl, formyl, oxycarbonyl, carboxy, C 1 to C 12 alkyl carboxylate, C 1 to C 12 alkyl amide, aminocarbonyl, amino, cyano, diazo, nitro, thio, sulfoxyl, sulfonyl, wherein R is CO 2 H or PO 3 H 2 and q is 0 or an integer of 1 to 5 and s is 0 or an integer from 1 to 3; and R 6 is selected from the group consisting of straight or branched chain alkyl having 1 to 12 carbons, cycloalkyl having 3 to 6 carbons, alkenyl having 2 to 6 carbons and 1 or 2 double bonds and alkynyl having 2 to 6 carbons and 1 or 2 triple bonds.