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Updated: Feb 17, 2026

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Perspectives of ruthenium(ii) polyazaaromatic photo-oxidizing complexes photoreactive towards tryptophan-containing
S Estalayo-Adrián1, K Garnir, C Moucheron
1Organic Chemistry and Photochemistry, Université Libre de Bruxelles, (U. L. B.), 50 Av. F. D. Roosevelt, CP 160/08, 1050 Bruxelles, Belgium. cmouche@ulb.ac.be.
Abstract:
RuII polyazaaromatic complexes have been studied with the aim of developing molecular tools for DNA and oligonucleotides. In this context, RuII-TAP (TAP = 1,4,5,8-tetraazaphenanthrene) complexes have been developed as specific photoreagents targeting the genetic material. The advantage of such compounds is due to the formation of photo-addition products between the Ru-TAP complex and the biomolecule, originating from a photo-induced electron transfer process that takes place between the excited Ru-TAP complex and guanine (G) bases of DNA. This photo-addition has been more recently extended to amino acids in view of applications involving peptides, such as inhibition or photocontrol of proteins. More particularly, tryptophan (Trp) and Trp-containing peptides are also able to be photo-oxidized by RuII-TAP complexes, leading to the formation of photo-addition products. This mini review focuses on recent advances in the search for RuII polyazaaromatic photo-oxidizing complexes of interest as molecular tools and photoreagents for Trp-containing peptides and proteins. Different possible future directions in this field are also discussed.
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