The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Article£¬once mentioned of 37366-09-9, Formula: C12H12Cl4Ru2
pH-Dependent competition between K2N7,O(P) macrochelation and mu-N1,N7 oligomer formation for (eta6-arene)RuII complexes of adenosine and guanosine 5?-mono-, -di- and -tri-phosphates
The pH-dependent reaction of [Ru(eta6-C6H6)(D2O) 3]2+ with adenosine and guanosine 5?-mono-, -di- and -tri-phosphates has been studied by 1H and 31P-{1H} NMR spectroscopy. Diastereomeric mu-1kappaN1:2kappa2N6,N7 co-ordinated cyclic trimers of the type [{Ru(5?-AMP)(eta6-C6H6)}3] predominate for adenosine 5?-monophosphate (5?-AMP2-) in the range pH* 3.30-9.18. An X-ray structural analysis of the Ru5Ru5Ru5 diastereomer [{Ru-(?-AMP)(eta6-p-MeC6H4Pr i)}3]¡¤7.5H2O 1b established a pronounced degree of conformational flexibility in the sugar and phosphate residues. In contrast to 5?-AMP2-, cyclic trimers cannot be observed in more strongly acid solution (pH* ? 3.16) for the equilibrium system 5?-ATP-(eta6-C6H6)RuII (5?-ATP4- = adenosine 5?-triphosphate) and remain relatively minor species even at neutral or higher pH* values. As confirmed by pronounced low-field 31P-{1H} NMR shifts of up to 7.8 and 8.6 ppm for the beta- and gamma-phosphorus atoms, kappa3N7, O(P beta), O(Pgamma) macrochelates provide the dominant metal species in acid solution. Time-dependent NMR studies for 5?-ADP-(eta6-C6H6)RuII (5?-ADP3- = adenosine 5?-diphosphate) indicated that initial macrochelation of this nucleotide is followed by cleavage of the beta-phosphate group and formation of cyclic trimers of 5?-AMP2-. Reaction of guanosine 5?-monophosphate (5?-GMP2-) with [Ru(eta6-C6H6)(D2O) 3]2+ afforded kappaN7-co-ordinated 1:1 and 2:1 complexes in the range pH* 3.69-8.38. In addition to analogous 1:1 and 2:1 species, kappa3N7, O(Pbeta), O(Pgamma) macrochelates are observed for the 5?-GTP-(eta6-C6H6)RuII equilibrium system (5?-GTP4- = guanosine 5?-triphosphate) in acid solution. Initial macrochelation in the 5?-GDP-(eta6-C6H6)RuII system (5?-GDP3- = guanosine 5?-diphosphate) again leads to rapid cleavage of the terminal beta-phosphate function.
The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction.I hope my blog about 37366-09-9 is helpful to your research., Formula: C12H12Cl4Ru2
Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI