Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 60804-74-2, is researched, Molecular C30H24F12N6P2Ru, about Polynuclear heteroleptic ruthenium(II) photoredox catalysts: Evaluation in blue-light-mediated, regioselective thiol-ene reactions, the main research direction is ruthenium imine amine functionalised bipyridyl complex preparation hydrothiolation catalyst; electrochem luminescence ruthenium imine amine functionalised bipyridyl complex.Application of 60804-74-2.
Polynuclear heteroleptic ruthenium(II) photosensitizers combining either imine or amine-functionalised bipyridyl ligands were synthesized (via Schiff-base condensation/reductive amination reactions), characterized and investigated for their photoreactivity in the hydrothiolation reaction. Furthermore, electrochem., electronic absorption and emission studies of the complexes were conducted. All the ligand-modified, heteroleptic complexes show red-shifted emission spectra (614-633 nm) relative to the canonical [Ru(bpy)3](PF6)2 complex (609 nm), attributed to the transition from the triplet MLCT excited state (3MLCT) to the ground state. The complexes were evaluated as visible-light photoredox catalysts in the radical hydrothiolation reaction of olefins (thiol-ene coupling) to afford thioethers. Control reactions performed in the absence of the photocatalyst resulted in either significantly lower yields (6%) or no product formation, demonstrating the role of the complexes as photoredox catalysts. The reactions carried out using trinuclear complexes (Ered (Ru2+*t/+) = +0.300 V vs Ag/Ag+) resulted in increased yields in comparison with their resp. mononuclear congeners and greater than those reported for [Ru(bpy)3](PF6)2, demonstrating the benefits of using polynuclear photocatalysts for photoinitiated redox catalysis reactions.
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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI