Citation: Lei WANG, Jian Ying ZHOU, Jin Ying WANG, Tian Xian ZEMG, Liang Nian JI. RUTHENIUM COORDINATION COMPOUNDS WITH POLYPYRIDYL:Ⅱ THE INTERACTION OF RUTHENIUM (Ⅱ)MIXED-LIGAND COORDINATION COMPOUNDS CONTAINING PYRIDO [3,2-f] [1,7]PHENANTHROLINE WITH CALF THYMUS DNA[J]. Chinese Chemical Letters, ;1995, 6(4): 353-356. shu

RUTHENIUM COORDINATION COMPOUNDS WITH POLYPYRIDYL:Ⅱ THE INTERACTION OF RUTHENIUM (Ⅱ)MIXED-LIGAND COORDINATION COMPOUNDS CONTAINING PYRIDO [3,2-f] [1,7]PHENANTHROLINE WITH CALF THYMUS DNA

a Department of Chemistry, Zhongshan University, Guangzhou, 510275;
b State Key Labofatory of Coordination Chemistry, Manjing University, 210008

Received Date: 21 February 1994

Fund Project: This work was supported by The National Natural Science Foundation, Doctoral Program Foundation of Institution of High Education. Paper I has been published in this journal (1994. 6, 409).

ABSTRACT The binding of RuL₂ pdphen²⁺ to calf thymus DNA was investigated using absorption fluorescence and CD spectroscopies,where pdphen is the planar ligand pyrido [3,2-f] [1,7] phenanthroline,L=2,2'-bipyridine,phenanthroline,2,9-dimethyl-phenanthroline and 5-nitro-phenanthroline.All coordination compounds show absorption hypochromicity associated with binding to calf thymus DNA.Ru (bipy)₂pdphen²⁺ and Ru (phen)₂pdphen²⁺ also show fluorescence intensities and excited state lifetime increase becanse of the interaction of coordination compounds with calf thymus DNA.CD spectra of dialyzates indicate enantioselectivity associated with binding to DNA.
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