(Chemical Equation Presented) Running rings around mercuric ions: A hexaphyrin(220.127.116.11.1.0), comprising an α,α′-bipyrrole unit and four pyrrolic and five pentafluorophenyl rings, was prepared and characterized by X-ray crystallography (see picture; N blue, F green, C black). The expanded porphyrin displays near-infrared luminescence above 900 nm and may serve as a highly sensitive and selective chemodosimeter for Hg2+ ions. KGaA.
- Nitrogen heterocycles
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