{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T14:02:00Z","timestamp":1790604120571,"version":"4.1.0"},"reference-count":62,"publisher":"Wiley","issue":"40","license":[{"start":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T00:00:00Z","timestamp":1785369600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T00:00:00Z","timestamp":1785369600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22031010"],"award-info":[{"award-number":["22031010"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2026,9,28]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Integrating precise molecular recognition with nonlinear optical functionality represents an attractive yet rarely realized strategy for supramolecular sensing with the optical readout. In this work, a two\u2010photon\u2010active luminescent cavitand, tris(quinoxaline)\u2010functionalized acridine cavitand (\n                    <jats:bold>TQAC<\/jats:bold>\n                    ), for the guest\u2010responsive aromatic vapor detection was reported.\n                    <jats:bold>TQAC<\/jats:bold>\n                    was constructed through a macrocycle\u2010to\u2010cavitand conversion by incorporating electron\u2010deficient quinoxaline panels into an electron\u2010rich acridine\u2010based macrocyclic scaffold, giving rise to an intramolecular donor\u2013\u03c3\u2013acceptor framework and pronounced charge\u2010transfer luminescence. Depending on the crystallization conditions,\n                    <jats:bold>TQAC<\/jats:bold>\n                    forms two solid\u2010state polymorphs with distinct conformations and packing modes, affording porous\n                    <jats:bold>TQAC<\/jats:bold>\n                    \u03b1 and interlocked\n                    <jats:bold>TQAC<\/jats:bold>\n                    \u03b2, which emit yellowish\u2010green and orange fluorescence, respectively. Notably, both polymorphs exhibit two\u2010photon\u2010excited emissions, making\n                    <jats:bold>TQAC<\/jats:bold>\n                    the first solid\u2010state cavitand system showing dual\u2010color two\u2010photon\u2010absorption property. Moreover, the guest\u2010accessible\n                    <jats:bold>TQAC<\/jats:bold>\n                    \u03b1 phase displays rapid and visually distinguishable fluorescence responses toward benzene and pyridine vapors, with detection limits of 7.5 and 3.3\u00a0mg L\n                    <jats:sup>\u22121<\/jats:sup>\n                    , respectively. This work establishes two\u2010photon\u2010active cavitands as a promising platform for supramolecular vapor sensing.\n                  <\/jats:p>","DOI":"10.1002\/anie.2496785","type":"journal-article","created":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T15:49:45Z","timestamp":1785426585000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Dual\u2010Color Two\u2010Photon\u2010Active Cavitand for Guest\u2010Responsive Sensing of Benzene and Pyridine Vapors"],"prefix":"10.1002","volume":"65","author":[{"given":"Jia\u2010Qi","family":"Wang","sequence":"first","affiliation":[{"name":"Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences  Beijing China"},{"name":"University of Chinese Academy of Sciences  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu\u2010Jie","family":"Long","sequence":"additional","affiliation":[{"name":"Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry Chinese Academy of Sciences  Beijing China"},{"name":"University of Chinese Academy of Sciences  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiang","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Bioactive Substances and Function of Natural Medicine Chinese Academy of Medical Sciences, Peking Union Medical College  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kui\u2010Zhu","family":"Song","sequence":"additional","affiliation":[{"name":"University of Chinese Academy of Sciences  Beijing 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