Abstract
The Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC) reaction, popularly known as the “click reaction”, have been widely used in chemosensor field. This reaction gives a mild and efficient coupling reaction between the binding site and the reporter. In addition, the formation 1,4-disubstituted 1,2,3-triazole linker shows a high binding affinity toward both anions and metal ions. Recently researches revealed this reaction is also an efficient tool to form rigid or shape-persistent, preorganized macrocyclic species. This review summarized the recent advances in click derived macrocyclic receptors for recognition of anion, metal ion and ions pair.
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