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An alternative approach is described herein that involves the liquid\u2013liquid extraction\u2010based removal of cesium salts, specifically CsOH and Cs<jats:sub>2<\/jats:sub>CO<jats:sub>3<\/jats:sub>, from highly basic media. A multitopic ion\u2010pair receptor (<jats:bold>2<\/jats:bold>) is used that can recognize and extract the hydroxide and carbonate anions as their cesium salts, as confirmed by <jats:sup>1<\/jats:sup>H\u2005NMR spectroscopic titrations, ICP\u2010MS, single\u2010crystal structural analyses, and theoretical calculations. A sharp increase in the pH and cesium concentrations in the receiving phase is observed when receptor <jats:bold>2<\/jats:bold> is employed as a carrier in U\u2010tube experiments involving the transport of CsOH through an intervening chloroform layer. The pH of the source phase likewise decreases.<\/jats:p>","DOI":"10.1002\/anie.201705788","type":"journal-article","created":{"date-parts":[[2017,7,20]],"date-time":"2017-07-20T13:19:00Z","timestamp":1500556740000},"page":"13396-13400","source":"Crossref","is-referenced-by-count":62,"title":["Recognition and Extraction of Cesium Hydroxide and Carbonate by Using a Neutral Multitopic Ion\u2010Pair Receptor"],"prefix":"10.1002","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3117-9587","authenticated-orcid":false,"given":"Qing","family":"He","sequence":"first","affiliation":[{"name":"Department of Chemistry University of Texas at Austin  105 E. 24th Street A5300 Austin TX 78712-1224 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3634-3182","authenticated-orcid":false,"given":"Gretchen Marie","family":"Peters","sequence":"additional","affiliation":[{"name":"Department of Chemistry University of Texas at Austin  105 E. 24th Street A5300 Austin TX 78712-1224 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent M.","family":"Lynch","sequence":"additional","affiliation":[{"name":"Department of Chemistry University of Texas at Austin  105 E. 24th Street A5300 Austin TX 78712-1224 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9576-1325","authenticated-orcid":false,"given":"Jonathan L.","family":"Sessler","sequence":"additional","affiliation":[{"name":"Department of Chemistry University of Texas at Austin  105 E. 24th Street A5300 Austin TX 78712-1224 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,8,9]]},"reference":[{"key":"e_1_2_2_1_1","unstructured":"\u00a0"},{"key":"e_1_2_2_2_2","unstructured":"J. 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