95408-45-0, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn¡¯t involve a screen. 95408-45-0, C26H46Cl2FeP2Pd. A document type is Article, introducing its new discovery.
Palladium(II) and Platinum(II) compounds of 1,1?-bis(phosphino) metallocene (m = fe, ru) ligands with metal-metal interactions
The reaction of [Pd(dtbpf)Cl2] (dtbpf = 1,1?-bis(di-tert- butylphosphino)ferrocene) with a chemical oxidant led unexpectedly to the formation of [Pd(dtbpf)Cl]+. Further study found that a variety of reagents could be used to abstract a chloride ligand from [Pd(dtbpf)Cl 2] to yield [Pd(dtbpf)Cl]+. The solid-state structure suggests the formation of an Fe-Pd interaction. The presence of the bulky tert-butyl groups is essential, as similar reactions with [Pd(PP)Cl2] (PP = other 1,1?-bis(phosphino)ferrocene ligands) results in the formation of [Pd(PP)(mu-Cl)]22+. The analogous platinum compounds have also been investigated and appear to behave in a similar manner. Similar compounds of the type [M?(PP)(PR3)]2+ (M? = Pd, Pt, R = Ph, Me) have been prepared, and a metal-metal interaction has also been observed. Steric and electronic effects dictate the formation of these compounds. X-ray crystal structures were obtained for eight of these compounds and were used as the basis for a computational analysis of the metal-metal interaction. DFT analysis indicates the presence of a weak, noncovalent interaction between the two metal centers. The electrochemical properties of these compounds were examined by cyclic voltammetry and typically show one oxidative wave and either one two-electron or two one-electron reductive waves.
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Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method