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Receptor <jats:bold>1<\/jats:bold> bearing an auxiliary pyrrolic NH donor and solubilizing phenyl groups on the strap was found to bind F<jats:sup>\u2212<\/jats:sup>, Cl<jats:sup>\u2212<\/jats:sup>, and Br<jats:sup>\u2212<\/jats:sup> as their tetrabutylammonium salts with high affinity in DMSO\u2010<jats:italic>d<jats:sub>6<\/jats:sub><\/jats:italic>. In addition, receptor <jats:bold>1<\/jats:bold> was found to extract the fluoride anion (as both its tetraethylammonium (TEA<jats:sup>+<\/jats:sup>) and tetrabutylammonium (TBA<jats:sup>+<\/jats:sup>) salts), as well as the chloride anion into chloroform\u2010<jats:italic>d<\/jats:italic> from an aqueous source phase. Cation metathesis using TBAI or the use of a dual host approach involving crown ethers enabled receptor <jats:bold>1<\/jats:bold> to extract simple alkali metal fluoride or chloride salts from water. Quantitative binding of NaF by receptor <jats:bold>1<\/jats:bold> was observed in 20\u2009% D<jats:sub>2<\/jats:sub>O\u2010DMSO<jats:italic>\u2010d<jats:sub>6<\/jats:sub><\/jats:italic> allowing for the direct determination of the NaF concentration in an unknown sample.<\/jats:p>","DOI":"10.1002\/chem.202302410","type":"journal-article","created":{"date-parts":[[2023,8,28]],"date-time":"2023-08-28T11:41:03Z","timestamp":1693222863000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Diphenylpyrrole\u2010Strapped Calix[4]pyrrole Extractant for the Fluoride and Chloride Anions"],"prefix":"10.1002","volume":"29","author":[{"given":"Nam","family":"Jung Heo","sequence":"first","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Science Gyeongsang National University  Jinju 52828 Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincent M.","family":"Lynch","sequence":"additional","affiliation":[{"name":"Department of Chemistry Institution The University of Texas at Austin  2105 E. 24th Street-Stop A5300 Austin, Texas 78712-1224 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dustin E.","family":"Gross","sequence":"additional","affiliation":[{"name":"Department of Chemistry Sam Houston State University  Huntsville, Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9576-1325","authenticated-orcid":false,"given":"Jonathan L.","family":"Sessler","sequence":"additional","affiliation":[{"name":"Department of Chemistry Institution The University of Texas at Austin  2105 E. 24th Street-Stop A5300 Austin, Texas 78712-1224 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6995-1144","authenticated-orcid":false,"given":"Sung","family":"Kuk Kim","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Science Gyeongsang National University  Jinju 52828 Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,10,6]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1039\/9781847552471"},{"key":"e_1_2_8_2_1","volume-title":"Supramolecular Chemistry of Anions","author":"Bianchi A.","year":"1997"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/9783527639502"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1752-7325.1993.tb02666.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.321.7265.855"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.3138\/chr.89.3.345"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0528.1999.tb01989.x"},{"key":"e_1_2_8_8_1","volume-title":"Modern Nutrition in Health and Disease","author":"Depaola D. 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