One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Quality Control of Pd2(DBA)3, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 52409-22-0, Name is Pd2(DBA)3, molecular formula is C51H42O3Pd2
Three NCN diimine ligands 4-6 were synthesized after condensation of isophthalaldehydes 1-3 and anilines. Treatment of 4-6 with Pd2(dba)3 in toluene resulted in the corresponding PdII-NCN-But (7), PdII-NCN-H (8) and PdII-NCN-NO2 (9) pincer complexes, respectively with high yields. Palladium pincers 7-9 and their precursors 4-6 were fully characterized by elemental analysis, IR, 1H NMR and 13C NMR spectroscopy. The molecular structures of 7b and 9b were also determined by X-ray single crystal diffraction. Sonogashira coupling of phenyl acetylene and 3-nitrobenzene catalyzed by 7-9 show that 9 exhibits the highest catalytic activity, suggesting that the electron withdrawing groups at the position-4 of palladium atom in palladium pincers will enhance their catalytic activity.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method