The interaction of aminoalkylaminoanthraquinones with deoxyribonucleic acid

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Abstract
A series of aminoalkylaminoanthraquinones have been prepared as potential intercalating agents. The binding to DNA of these compounds and the known intercalating drugs chloroquine, lucanthone, daunorubicin and doxorubicin has been characterized by spectrophotometric titration. The association constant for the interaction with DNA has been determined for each compound from a Scatchard plot. The compounds synthesized had association constants between 0.5 and 4.2 × 106 compared with 0.93, 0.90, 3.10 and 2.49 × 106 for chloroquine, lucanthone, daunorubicin and doxorubicin respectively.