One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Application In Synthesis of Tetrakis(acetonitrile)palladium(II) tetrafluoroborate, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 21797-13-7, Name is Tetrakis(acetonitrile)palladium(II) tetrafluoroborate, molecular formula is C8H12B2F8N4Pd
This work demonstrates a new nonconventional ligand design, imidazole/pyridine-based nonsymmetrical ditopic ligands (1 and 1S), to construct a dynamic open coordination cage from nonsymmetrical building blocks. Upon complex formation with Pd2+ at a 1:4 molar ratio, 1 and 1S initially form mononuclear PdL4 complexes (Pd2+(1)4 and Pd2+(1S)4) without formation of a cage. The PdL4 complexes undergo a stoichiometrically controlled structural transition to Pd2L4 open cages ((Pd2+)2(1)4 and (Pd2+)2(1S)4) capable of anion binding, leading to turn-on anion binding. The structural transitions between the Pd2L4 open cage and the PdL4 complex are reversible. Thus, stoichiometric addition (2 equiv) of free 1S to the (Pd2+)2(1S)4 open cage holding a guest anion ((Pd2+)2(1S)4?G?) enables the structural transition to the Pd2+(1S)4 complex, which does not have a cage and thus causes the release of the guest anion (Pd2+(1S)4+G?).
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method