Patent ID: 6888020

Claim:
A water soluble dithioester compound represented by the following Chemical Formula 1: in the Chemical Formula 1, Z is a hydrogen, a chlorine; or an alkyl, an aryl, an alkylthio, an alkoxycarbonyl, an aryoxycarbonyl (â€”COORâ€³), an carboxy (â€”COOH), an acyloxy (â€”O 2 CRâ€³), a cabamoyl (â€”CONRâ€³), a cyano (â€”CN), a dialkyl-phosphonato, a diaryl-phosphonato (â€”P(â•O)ORâ€³ 2 ), a dialkyl-phosphinato, or a diaryl-phosphinato (â€”P(â•O)Râ€³ 2 ) unsubstituted or substituted which substitutents, Râ€³ is C 1-18 alkyl, C 2-18 alkenyl, aryl, heterocyclyl, aralkyl, or alkylaryl unsubstituted or substituted with a substitutent selected from the group consisting of epoxy, alkoxycarbonyl, aryloxycarbonyl, isocyanto, cyano, silyl, halo, and dialkylamino, R 1 is C 1-18 alkyl, C 2-18 alkenyl, aryl, heterocyclyl, aralkyl, or alkylaryl unsubstituted or substituted with a substitutent selected from the group consisting of hydrogen, ester, keto, amide, ether, thio, hydroxy, cyano, silyl, halo, and dialkylamino, and R 2 and R 3 are independently C 1-18 alkyl, C 2-18 alkenyl, aryl, heterocyclyl, aralkyl, or alkylaryl unsubstituted or substituted with a substitutent selected from the group consisting of ester, keto, amide, ether, thio, hydroxy, cyano, silyl, halo, and dialkylamino, and at least one of R 2 and R 3 contains an ammonium salt represented by the Chemical Formula 2 having a cationic substitutent at its end or a hetero ring salt unsubstituted or substituted with substitutents represent by the Chemical Formula 3: in the Chemical Formula 2, R 4 , R 5 , and R 6 are independently an alkyl which contains branched, normal saturated or unsaturated, alkyl which contain aryl substitutent, alkoxyalkyl, cyanoalkyl, or hydroxyalkyl, X is a halide or a sulfate, in the Chemical Formula 3, a hetero ring of hetero ring salt is heterocyclic moiety having 5 or 6 membered rings, and can contain independently alkyl, or alkene, Q is a halide or a sulfate.