Dipyrido[3,2-a:2′,3′-c]quinolino[3,2-j]phenazine (dpqp-OH) – Synthesis, characterization and DNA interaction of the corresponding Ru(II) complex-Science-Chemical Encyclopedia-lookchem

Dipyrido[3,2-a:2′,3′-c]quinolino[3,2-j]phenazine (dpqp-OH) – Synthesis, characterization and DNA interaction of the corresponding Ru(II) complex
Add time:09/29/2019 Source:infona.pl

A mononuclear Ru(II) complex based on a new heptacyclic ligand (dpqp) has been prepared and characterized by NMR spectroscopy, ES mass spectrometry and electrochemistry. It forms dimers and aggregates of up to seven complex units in CH 3 CN solution observed by ESMS. The monomer has an extremely weak luminescence in water or even in organic solvent probably due to the existence of a low lying π–π ∗ excited state centered on the heptacycle. In spite of the strong interaction of the complex with DNA, its luminescence is not enhanced by the DNA microenvironment.

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