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. 20759-14-2, Name is Ruthenium(III) chloride hydrate, molecular formula is Cl3H2ORu. In a Article，once mentioned of 20759-14-2, Safety of Ruthenium(III) chloride hydrate
We report the synthesis and the photophysical properties of first and second generation dendrimers built around a [Ru(bpy)3]2+ core (bpy = 2,2′- bipyridine) and bearing 12 and 24 naphthyl units, respectively, in the periphery. The metallodendrimers were obtained by complexation of ruthenium trichloride with bipyridine ligands carrying dendritic wedges in the 4,4′- positions. Since the chromophoric groups present in the dendritic complexes are separated by aliphatic connections, interchromophoric interactions are weak and the absorption spectra of the metallodendrimers are essentially equal to the summation of the spectra of the chromophoric groups which are present in their structures. The ‘free’ wedges show an intense emission band in the region of the naphthyl-type units. Such a band, however, is almost completely absent in the emission spectra of the metallodendrimers, which exhibit the visible emission band characteristic of their [Ru(bpy)3]2+- type unit, regardless of the excitation wavelength. These results show that a very efficient energy-transfer process takes place from the potentially fluorescent excited states of the aromatic units of the wedges to the metal- based dendritic core (antenna effect). We have also found that the dendrimer branches protect the Ru-bpy based core from dioxygen quenching.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.Safety of Ruthenium(III) chloride hydrate, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 20759-14-2, in my other articles.
Reference：
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI