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s Abstract Pyridine and pyridinium heterocycles play an important role in anion receptor chemistry. Hydrogen bond arrays are frequently preorganized by the presence of the pyridine nitrogen lone pair of electrons, whilst the positively charged pyridinium group is capable of interacting with anions via a number of polarized noncovalent interactions. This review describes the development of pyridine...
The first anion‐templated synthesis of a lanthanide‐containing interlocked molecule is demonstrated by utilizing a nitrite anion to template initial pseudorotaxane formation. Subsequent stoppering of the interpenetrated assembly allows for the preparation of a lanthanide‐functionalized [2]rotaxane in high yield. Following removal of the nitrite anion template, the europium [2]rotaxane host is demonstrated...
A series of new acyclic platinum(II) and palladium(II) 5,5 -bis-amide substituted 2,2 -bipyridyl receptors have been synthesized and single-crystal structural investigations of two receptors are described. Proton NMR anion binding studies reveal that these neutral receptors recognize chloride anions in dimethyl sulfoxide solution.
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