Patent ID: 8067454

Claim:
A thio-substituted[1,2-d]anthra[1,2-d]imidazole-6,11-dione derivative is selected from the group consisting of 2-mercapto-(1H)-anthra-[1,2-d]-imidazole-6,11-dione, 2-(ethylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(propylthio)-1H-anthra[1,2-d]-imidazole-6,11-dione, 2-(butylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(2-methylbenzylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, methyl-(6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-ylthio)-butanoate, (E)-methyl-4-(6,11-dioxo-6,11-dihydro-/H-anthra-[1,2-d]imidazol-2-ylthio)-but-2-enoate, 2-(prop-2-ynylthio)-/H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(4-chlorobutylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(5-bromopentylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(6-chlorohexylthio)-1H-anthra[1,2-d]-imidazole-6,11-dione, 2-(2-(piperidin-1-yl)-ethylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(2-morpholinoethylthio)-1H-anthra[1,2-d]-imidazole-6,11-dione, 2-(3-(piperidin-1-yl)propylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(3-(dimethylamino)propylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(2-morpholino-2-oxoethylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(3-morpholino-3-oxopropylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-ylthio)-N,N-diethylacetamide, 2-(allylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 3-(6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-ylthio)-N,N-diethylpropanamide, 2-(2-oxo-2-(pyrrolidin-1-yl)-ethylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(3-oxo-3-(pyrrolidin-1-yl)-propylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione, 2-(6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-ylthio)-N,N-dipropylacetamide, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-2-nitrobenzothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-morpholine-4-carbothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-4-methylpiperazine-1-carbothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-3-phenylpropanethioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-2,5-bis(trifluoromethyl)benzothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra[1,2-d]-imidazol-2-yl-2,5-dimethylfuran-3-carbothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-pyrrolidine-1-carbothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-piperidine-1-carbothioate, S-6,11-dioxo-6,11-dihydro-1H-anthra-[1,2-d]-imidazol-2-yl-diethylcarbamothioate, and 2-(2-n-ethylthio)-1H-anthra-[1,2-d]-imidazole-6,11-dione.