Light-Induced DNA Cleavage by Bis-9-acridinyl Viologen Derivative
A bis-9-acridinyl derivative containing a viologen linker chain (3) forms an intercalation complex with DNA, and was found to cleave the double chain DNA strand effectively under irradiation by visible, due to the photosensitized intramolecular electron transfer from the acridine to viologen moieties within 3