Abstract
Oligopyrrolic macrocycles based on the naphthobipyrrole scaffold have been synthesized and characterized. The compounds showed high affinities toward multi‐oxo anions such as dihydrogen phosphate and sulfate anions in acetonitrile. Theoretical calculations for the formation of host–anion complexation revealed that the receptors adopt bowl‐shaped, cone conformations with association constants of ca. 106 m–1 with dihydrogen phosphate anions.
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