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Synthesis, characterization and DNA binding and photocleavage studies of [Ru(bpy)2BDPPZ]2+, [Ru(dmb)2BDPPZ]2+ and [Ru(phen)2BDPPZ]2+ complexes and their antimicrobial activity

✍ Scribed by K. Ashwini Kumar; Kotha Laxma Reddy; S. Vidhisha; S. Satyanarayana

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
697 KB
Volume
23
Category
Article
ISSN
0268-2605

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✦ Synopsis

Abstract

Polypyridyl ligand 9a,13a‐dihydro‐4,5,9,14‐tetraaza‐benzo[b]triphenylene‐11‐yl)‐phenyl‐methanone (BDPPZ) and its complexes [Ru(bpy)~2~BDPPZ]^2+^, [Ru(dmb)~2~BDPPZ]^2+^ and [Ru(phen)~2~BDPPZ]^2+^ (where bpy = 2,2′‐bipyridine, dmb = 4,4′‐dimethyl‐2,2′‐bipyridine, phen = 1,10‐phenanthroline) have been synthesized and characterized by elemental analysis, IR, UV–vis, ^1^H‐NMR, ^13^C‐NMR and mass spectra. The DNA‐binding properties of the complexes were investigated by absorption, emission, melting temperature and viscosity measurements. Experimental results indicate that the three complexes can intercalate into DNA base pairs. Photo activated cleavage of pBR‐322 DNA by the three complexes was also studied. Further, all three Ru(II) complexes synthesized were screened for their antimicrobial activity. Copyright © 2009 John Wiley & Sons, Ltd.

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