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Photochemical cleavage of DNA by 2,7-diazapyrenium cations
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1986
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Visible LightEngineeringPhotochemistryBiochemistryNatural SciencesMechanistic PhotochemistryPhotoredox ProcessMolecular BiologyDna ReplicationSynthetic PhotochemistryOrganic ChemistryPhotocatalysisChemistryPhotochemical Cleavage2,7-Diazapyrenium DicationPhotoprotectionDna Pbr322Photochromism
The 2,7-diazapyrenium dication (1) and the dimeric tetracation (2) bind to double strand supercoiled DNA pBR322 and effect efficient photocleavage under irradiation with visible light, (2) being more active than (1).