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Chiral diruthenium(II) complexes containing a modified 4,4′-bipyridine bridging ligand: syntheses, characterization and DNA binding by Cai-Wu Jiang is a Chemistry article available to read on EtoBox.
What is Chiral diruthenium(II) complexes containing a modified 4,4′-bipyridine bridging ligand: syntheses, characterization and DNA binding about?
A pair of novel chiral dimeric ruthenium(II) complexes [DD-, KK-Ru(bpy) 2 (btpb)Ru(bpy) 2 ] 4þ (1; btpb 1⁄4 2,2 0 -bis (1,2,4-triazino[5,6-f]phenanthren-3-yl)-4,4 0 -bipyridine) have been synthesized and characterized by electrospray mass spectra, 1 H NMR, UV-Vis and circular dichroism spectra. Binding behaviors of the complexes with calf thymus DNA have been investigated by absorption spectra and viscosity measurements. The electronic absorption spectrum of DD-1 at 505.5 nm exhibits hypochromism of about 8.4% and bathochromism of 2.5 nm; KK-1 at 500.0 nm exhibits hypochromism of about 9.1% and bathochromism of 4.5 nm, respectively. The experiments suggest that DD-1 and KK-1 may be bound to DNA by non-intercalating binder.
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- Author
- Cai-Wu Jiang
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)
- Published
- 2004
- Language
- EN
- Field
- Chemistry (Physical Sciences)