Patent ID: 7402690
Filing Date: 2008-07-22
Classification: C07C,C07D,C08F

Abstract:
1. A dithioester or trithioester represented by the structural formula: wherein: or one or more aromatic or heteroaromatic groups optionally substituted by one or more hydrophilic functional groups wherein optionally there is an ether or alkylene linkage between the aromatic or heteroaromatic group and the dithioester moiety; and R comprises a group represented by the structural formula: wherein: Ar is an aromatic or heteroaromatic group; L is a bond, an C1-C20 azaalkylene group, or a C1-C20 straight-chained or branched alkylene group; R R R R W is selected from the group consisting of —H, —SO M R′ is independently hydrogen or an alkyl group; x is an integer from 1 to about 20; X Y is selected from the group consisting of N, O, and C.