Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.Recommanded Product: 1,1-Bis(diphenylphosphino)ferrocene, you can also check out more blogs about12150-46-8
The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8, Recommanded Product: 1,1-Bis(diphenylphosphino)ferrocene
The reaction of diphenylphosphinoferrocene and 1,1′-bis(diphenylphosphino)ferrocene with (1:1 and 1:2 molar ration respectively) yields the monoadducts > 1 and <2<(Ph2PC5H4)2Fe>> 2.By thermal treatment of 1 in refluxing toluene-acetic acid (10:3) the monometallated product Fe(C5H5)>(HO2CMe)2> 3 was obtained in practically quantitative yield.Compound 3 reacts with (1:1 molar ratio) giving the adduct Fe(C5H5)><(Ph2PC5H4)Fe(C5H5)>> 4, which reacts thermally in toluene-acetic acid (10:3) yielding the doubly metallated product Fe(C5H5)>2(HO2CMe)2> 5 as a mixture of conformational isomers.An X-ray determination of 5 has been carried out: space group Pbca (orthorhombic), a = 18.065(3), b = 20.606(4), c = 26.242(5) Angstroem, Z = 8, and R = 0.038.The crystal structure shows that the two metallated phosphines are in a head-to-tail configuration.Thermal treatment of a mixture of and Fe(C5H4PPh2)2> (1:1 molar ratio) in acetic acid yields the compound 2Fe>(HO2CMe)>*CH2Cl2 6 after purification and crystallization from a CH2Cl2-hexane-acetic acid mixture.An X-ray diffraction investigation showed that this compound crystallizes in space group P21/c (monoclinic) with a = 12.735(4), b = 16.811(5), c = 20.161(8) Angstroem, beta = 95.17(4) deg, Z = 4 and R = 0.089.The two PPh2 fragments of the ferrocene ligand act as bridging orthometallated ligands in a head-to-head configuration.Two well defined oxidation processes were detected by cyclic voltammetry for all the complexes in CH2Cl2 solution: the first one, in the range 0.6-0.7 V, is due to the couple Fe2+-Fe3+ while the second one, in the range 0.9-1.32 V, is due to the couple Rh24+-Rh25+.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.Recommanded Product: 1,1-Bis(diphenylphosphino)ferrocene, you can also check out more blogs about12150-46-8
Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate