2D NMR spectroscopic evidence for unprecedented interactions of cis-[Rh2(dap)(mu-O2CCH3)2(eta1-O2CCH3)(CH3OH)](O2CCH3) with a DNA oligonucleotide: combination of intercalative and coordinative binding.
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abstract
(Figure Presented) Slip it in: The dual capability of intercalation and coordination binding of dirhodium complexes was observed in the reaction of the title complex with d(CTCTCAACTTCC). A major adduct with the 1,12-diazaperylene (dap) group intercalated between the A6 and A7 residues was produced. Additionally, the Rh atom that is not bound to the dap group forms a coordinative bond to the N7 site of A6. 2006 Wiley-VCH Verlag GmbH & Co. KGaA.