A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3, Recommanded Product: 15746-57-3
Off-on-off fluorescence pH switch of three trinuclear RuII complexes containing imidazole rings
Three tripodal ligands H3L1-3 containing imidazole rings were synthesized by the reaction of 1,10-phenanthroline-5,6-dione with 1,3,5-tris[(3-formylphenoxy)methyl]benzene, 1,3,5-tris[(3-formylphenoxy)methyl]- 2,4,6-trimethylbenzene, and 2,2?,2?-tris[(3-formylphenoxy)ethyl] amine, respectively. Trinuclear RuII polypyridyl complexes [(bpy)6Ru3H3L1-3](PF 6)6 were prepared by the condensation of Ru(bpy) 2Cl2¡¤2H2O with ligands H 3L1-3. The pH effects on the UV/Vis absorption and fluorescence spectra of the three complexes were studied, and ground- and excited-state ionization constants of the three complexes were derived. The three complexes act as “off-on-off” fluorescence pH switch through protonation and deprotonation of imidazole ring with a maximum on-off ratio of 5 in buffer solution at room temperature.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.Recommanded Product: 15746-57-3, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 15746-57-3, in my other articles.
Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI