21797-13-7, Name is Tetrakis(acetonitrile)palladium(II) tetrafluoroborate, belongs to catalyst-palladium compound, is a common compound. HPLC of Formula: C8H12B2F8N4PdIn an article, once mentioned the new application about 21797-13-7.
Selective Anion Recognition by a Dynamic Quadruple Helicate
An M2L4 quadruple helicate, formed by wrapping four molecules of 1,4-bis(3-pyridyloxy)benzene (L1) about two palladium(II) centers, is shown to bind anions within its internal cavity. 1H NMR exchange experiments provide a quantitative measure of anion selectivity and reveal a preference for ClO4? over the other tetrahedral anions BF4? and ReO4? and the octahedral anion PF6?. X-ray crystal structures of [Pd2(L1)4]4+ helicates containing ClO4, BF4? and I? reveal that the cavity size can dynamically change in response to the size of the guest.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method