{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:38:04Z","timestamp":1786977484832,"version":"build-2736575974"},"reference-count":38,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T00:00:00Z","timestamp":1734048000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2022R1A4A1021817"],"award-info":[{"award-number":["2022R1A4A1021817"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["RS-2023-00271848"],"award-info":[{"award-number":["RS-2023-00271848"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2021R1A2C1012140"],"award-info":[{"award-number":["2021R1A2C1012140"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2025,2,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    We have synthesized a new ion pair receptor (\n                    <jats:bold>2<\/jats:bold>\n                    ) consisting of a cone\u2010calix[4]arene bearing a combination of ethyl esters and ethers as a cation binding site and a calix[4]pyrrole subunit acting as an anion binding site. Ion pair receptor\n                    <jats:bold>2<\/jats:bold>\n                    complexes LiCl, NaCl, and CsCl among alkali metal chloride salts with distinct complexation modes and affinities in 10\u2009% methanol\u2010\n                    <jats:italic>\n                      d\n                      <jats:sub>4<\/jats:sub>\n                    <\/jats:italic>\n                    in chloroform\u2010\n                    <jats:italic>d<\/jats:italic>\n                    . For instance, relatively small Li\n                    <jats:sup>+<\/jats:sup>\n                    and Na\n                    <jats:sup>+<\/jats:sup>\n                    cations are bound to the oxygen atoms of the functionalized calix[4]arene lower rim with Cl\n                    <jats:sup>\u2212<\/jats:sup>\n                    being hydrogen bonded to the calix[4]pyrrole NHs while the larger Cs\n                    <jats:sup>+<\/jats:sup>\n                    cation is bound to the cone\u2010shaped calix[4]pyrrole cavity via a \u03c0\u2010cation interaction. By contrast, in the co\u2010presence of all MCl salts (M=Li, Na, K, Rb, and Cs), receptor\n                    <jats:bold>2<\/jats:bold>\n                    binds LiCl with complete selectivity. Besides, receptor\n                    <jats:bold>2<\/jats:bold>\n                    is capable of extracting LiCl selectively into a chloroform or a dichloromethane organic phase from its solid source containing all other MCl salts.\n                  <\/jats:p>","DOI":"10.1002\/chem.202403868","type":"journal-article","created":{"date-parts":[[2024,12,8]],"date-time":"2024-12-08T22:29:43Z","timestamp":1733696983000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["An Ion Pair Receptor for Selective Solid\u2010Liquid Extraction of LiCl"],"prefix":"10.1002","volume":"31","author":[{"given":"Ju","family":"Hyun Oh","sequence":"first","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Science Gyeongsang National University  Jinju 52828 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6995-1144","authenticated-orcid":false,"given":"Min","family":"Joong Kim","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Science Gyeongsang National University  Jinju 52828 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaewon","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Science Gyeongsang National University  Jinju 52828 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hae","family":"Chan Jeong","sequence":"additional","affiliation":[{"name":"Nonsan Carbon Neutrality Support Center Konyang University  Nonsansi 32992 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"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":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,12,13]]},"reference":[{"issue":"28","key":"e_1_2_8_1_1","first-page":"29","volume":"97","author":"Jacoby 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