5-Amino-6-dimethylamino-1,3-dimethyl-1,3-dihydro-benzoimidazol-2-one

5-Amino-6-(dimethylamino)-1,3-dimethyl-1,3-dihydro-2H-benzimidazol-2-one Dihydrochloride is used as a reactant in the preparation of benzoisoquinolinediones as potent and selective inhibitors of BRPF2 and TAF1/TAF1L bromodomains.