meso-Alkylidene (m-benzi)pentaphyrin: a modified pentaphyrin bearing exocyclic double bonds at meso-positions |
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| Authors: | Jeong Seung-Doo Nowak-Król Agnieszka Kim Youngmee Kim Sung-Jin Gryko Daniel T Lee Chang-Hee |
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| Institution: | Department of Chemistry and Institute of molecular Science & Fusion technology, Kangwon National University, Chun-Chon 200-701, Korea. |
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| Abstract: | meso-Alkylidene (m-benzi)pentaphyrin containing exocyclic C=C double bonds at two meso-positions is synthesized and fully characterized for the first time. The single crystal X-ray crystallographic analysis shows a concave conformation with two pyrrole rings inverted. The first protonation occurs exclusively at core nitrogen. The synthesized compound displays concentration dependent chromogenic responses for fluoride anion in organic solvent. |
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