One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Product Details of 32005-36-0, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 32005-36-0, Name is Bis(dibenzylideneacetone)palladium, molecular formula is C34H28O2Pd
Synthesis, Characterization, and Reactivity of Palladium Fluoroenolate Complexes
Cross-coupling reactions of aryl groups with alpha-fluoro carbonyl compounds catalyzed by palladium complexes have been reported, but palladium fluoroenolate intermediates relevant to such reactions have not been isolated or even detected previously. We report the synthesis, structural characterization, and reactivity of a series of C-bound arylpalladium fluoroenolate complexes ligated by monophosphines and bisphosphines. DPPF-ligated arylpalladium fluoroenolate complexes (DPPF = 1,1-bis(diphenylphosphino)-ferrocene) derived from a monofluoroester, a difluoroester, difluoroamides, and difluoroacetonitrile underwent reductive elimination in high yields. Reductive elimination was faster from complexes containing less electron-withdrawing fluoroenolate groups and longer Pd-C(enolate) bonds than from complexes containing more electron-withdrawing fluoroenolate groups and shorter Pd-C(enolate) bonds. The rates of reductive elimination from these C-bound fluoroenolate complexes were significantly faster than those of the analogous trifluoromethyl complexes.
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Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method