{"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":1786977484947,"version":"build-2736575974"},"reference-count":69,"publisher":"Wiley","issue":"64","license":[{"start":{"date-parts":[[2025,9,3]],"date-time":"2025-09-03T00:00:00Z","timestamp":1756857600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100018992","name":"Fonds der Chemischen Industrie","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100018992","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["Mu 1088\/9\u20131"],"award-info":[{"award-number":["Mu 1088\/9\u20131"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["RE 1203\/45\u20131"],"award-info":[{"award-number":["RE 1203\/45\u20131"]}],"id":[{"id":"10.13039\/501100001659","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":[[2025,11,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Di(hetero)aroyl dichlorides are desymmetrized upon sequential reaction with alcohols and 2\u2010methyl\n                    <jats:italic>N<\/jats:italic>\n                    \u2010benzyl thiazolium salts within the course of a one\u2010pot three\u2010component reaction yielding ester\u2010substituted aroyl\u2010\n                    <jats:italic>S<\/jats:italic>\n                    ,\n                    <jats:italic>N<\/jats:italic>\n                    \u2010ketene acetals under mild conditions in good yields. A prerequisite for the concise one\u2010pot process is the different nucleophilicity of the alcohols and in situ generated\n                    <jats:italic>S<\/jats:italic>\n                    ,\n                    <jats:italic>N<\/jats:italic>\n                    \u2010ketene acetals. The resulting compounds are merocyanines with dominant charge\u2010transfer absorption bands which are fluorescent in the solid state, but not in solution. In water\/ethanol solvent mixtures of increasing water content, the water\u2010insoluble dyes display typical aggregation\u2010induced emission (AIE) characteristics. The water fraction inducing AIE as well as the emission color, and fluorescence quantum yield (\n                    <jats:italic>\u03a6<\/jats:italic>\n                    <jats:sub>f<\/jats:sub>\n                    ) of the aggregated dyes can be controlled by the alcohol part of the ester moiety. Encapsulation into polystyrene nanoparticles can lead to a considerable increase of the fluorescence quantum yield\n                    <jats:italic>\u03a6<\/jats:italic>\n                    <jats:sub>f<\/jats:sub>\n                    to 30% as shown for a representatively chosen dye revealing the highest\n                    <jats:italic>\u03a6<\/jats:italic>\n                    <jats:sub>f<\/jats:sub>\n                    of 11% within the dye series in the water\/ethanol mixtures and enabling the usage of these dyes as fluorescent reporters in aqueous environments.\n                  <\/jats:p>","DOI":"10.1002\/chem.202502071","type":"journal-article","created":{"date-parts":[[2025,9,4]],"date-time":"2025-09-04T06:55:29Z","timestamp":1756968929000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Ester\u2010Aroyl\u2010S,N\u2010Ketene Acetals with Solid\u2010State Luminescence: AIEgens from Sequential Three\u2010Component Desymmetrization"],"prefix":"10.1002","volume":"31","author":[{"given":"Yannic","family":"Hartmann","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Organische Chemie und Makromolekulare Chemie Heinrich\u2010Heine\u2010Universit\u00e4t D\u00fcsseldorf  Universit\u00e4tsstra\u00dfe 1 D\u201040225 D\u00fcsseldorf Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdelouahad","family":"El Abbassi","sequence":"additional","affiliation":[{"name":"Division Biophotonics Bundesanstalt f\u00fcr Materialforschung und \u2010pr\u00fcfung (BAM)  Richard\u2010Willst\u00e4tter\u2010Stra\u00dfe 11 D\u201012489 Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernhard","family":"Mayer","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Organische Chemie und Makromolekulare Chemie Heinrich\u2010Heine\u2010Universit\u00e4t D\u00fcsseldorf  Universit\u00e4tsstra\u00dfe 1 D\u201040225 D\u00fcsseldorf Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ute","family":"Resch\u2010Genger","sequence":"additional","affiliation":[{"name":"Division Biophotonics Bundesanstalt f\u00fcr Materialforschung und \u2010pr\u00fcfung (BAM)  Richard\u2010Willst\u00e4tter\u2010Stra\u00dfe 11 D\u201012489 Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9809-724X","authenticated-orcid":false,"given":"Thomas J. J.","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Organische Chemie und Makromolekulare Chemie Heinrich\u2010Heine\u2010Universit\u00e4t D\u00fcsseldorf  Universit\u00e4tsstra\u00dfe 1 D\u201040225 D\u00fcsseldorf Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,9,3]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.2533\/chimia.1991.304.2"},{"key":"e_1_2_8_2_1","volume-title":"Functional Organic Materials Syntheses, Strategies and Applications","author":"M\u00fcller T. J. J.","year":"2007"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/35104607"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200804709"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1201\/b18540"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rser.2012.02.021"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/3527607986"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1088\/0268-1242\/26\/3\/034001"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1039\/c3cs60127g"},{"key":"e_1_2_8_10_1","volume-title":"Organic Field Effect Transistors: Theory, Fabrication and Characterization","author":"Kymissis I.","year":"2008"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0925-4005(02)00170-3"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.279.5352.851"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/asia.200900102"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cbpa.2009.09.032"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1196\/annals.1430.001"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.6b00057"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201803102"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1039\/D3CS00190C"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1039\/b108846g"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cbpa.2006.04.025"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr200355j"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201609394"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejoc.202100341"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.0c00893"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202415627"},{"key":"e_1_2_8_26_1","volume-title":"Science of Synthesis: Multicomponent Reactions Vol. 1: General Discussion and Reactions Involving a Carbonyl Compound as Electrophilic Component","author":"M\u00fcller T. J. J.","year":"2014"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-024-54611-5"},{"key":"e_1_2_8_28_1","first-page":"179","volume-title":"Functional Organic Materials. Syntheses, Strategies, and Applications","author":"M\u00fcller T. J. J.","year":"2007"},{"key":"e_1_2_8_29_1","doi-asserted-by":"publisher","DOI":"10.1351\/pac200880030609"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5CS00805K"},{"key":"e_1_2_8_31_1","first-page":"2907","author":"Levi L.","year":"2016","journal-title":"Eur. J. Org. Chem."},{"key":"e_1_2_8_32_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsomega.9b03684"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.3389\/fchem.2023.1124209"},{"key":"e_1_2_8_34_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ymeth.2023.11.001"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.1039\/b904665h"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1039\/c1cs15113d"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4CS00044G"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5CP05827A"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.5b00263"},{"key":"e_1_2_8_40_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijch.201800058"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201916396"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.202202579"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.202302067"},{"key":"e_1_2_8_44_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja00059a013"},{"key":"e_1_2_8_45_1","doi-asserted-by":"publisher","DOI":"10.1021\/jo00072a010"},{"key":"e_1_2_8_46_1","doi-asserted-by":"publisher","DOI":"10.1021\/jm051252j"},{"key":"e_1_2_8_47_1","doi-asserted-by":"publisher","DOI":"10.1016\/0039-128X(81)90082-9"},{"key":"e_1_2_8_48_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.5b00360"},{"key":"e_1_2_8_49_1","doi-asserted-by":"publisher","DOI":"10.1002\/9780470638859.conrr209"},{"key":"e_1_2_8_50_1","doi-asserted-by":"publisher","DOI":"10.1021\/ar020094c"},{"key":"e_1_2_8_51_1","doi-asserted-by":"publisher","DOI":"10.1351\/pac200577111807"},{"key":"e_1_2_8_52_1","doi-asserted-by":"publisher","DOI":"10.1002\/poc.1325"},{"key":"e_1_2_8_53_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.joc.0c02838"},{"key":"e_1_2_8_54_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201202327"},{"key":"e_1_2_8_55_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201204524"},{"key":"e_1_2_8_56_1","doi-asserted-by":"publisher","DOI":"10.1002\/poc.1707"},{"key":"e_1_2_8_57_1","doi-asserted-by":"publisher","DOI":"10.1021\/jo01271a054"},{"key":"e_1_2_8_58_1","first-page":"1201","volume":"21","author":"Krenzer J.","year":"2025","journal-title":"Beilstein J. Org. Chem."},{"key":"e_1_2_8_59_1","doi-asserted-by":"publisher","DOI":"10.1021\/jp710352m"},{"key":"e_1_2_8_60_1","first-page":"3525","volume":"6","author":"He X.","year":"2015","journal-title":"Sci."},{"key":"e_1_2_8_61_1","volume-title":"Gaussian 16, Revision A.03","author":"Frisch M. J.","year":"2016"},{"key":"e_1_2_8_62_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.464913"},{"key":"e_1_2_8_63_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.464304"},{"key":"e_1_2_8_64_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.37.785"},{"key":"e_1_2_8_65_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.438955"},{"key":"e_1_2_8_66_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.3359469"},{"key":"e_1_2_8_67_1","unstructured":"An ethanol stock solution of chromophore3is prepared and an aliquot is transferred to a 10\u00a0mL volumetric flask before adding the corresponding volume of water\/ethanol mixture. For insuring ideal mixing and for excluding coagulation as far as possible the mixtures are treated in an ultrasonic bath for about 5\u00a0min before measurement. The fluorescence spectra of the aggregate are then recorded starting with the mixture with the highest water content."},{"key":"e_1_2_8_68_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dyepig.2012.01.021"},{"key":"e_1_2_8_69_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.197805691"}],"container-title":["Chemistry \u2013 A European Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/chem.202502071","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T07:45:08Z","timestamp":1763451908000},"score":1,"resource":{"primary":{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/10.1002\/chem.202502071"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,9,3]]},"references-count":69,"journal-issue":{"issue":"64","published-print":{"date-parts":[[2025,11,17]]}},"alternative-id":["10.1002\/chem.202502071"],"URL":"https:\/\/doi.org\/10.1002\/chem.202502071","archive":["Portico"],"relation":{},"ISSN":["0947-6539","1521-3765"],"issn-type":[{"value":"0947-6539","type":"print"},{"value":"1521-3765","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,9,3]]},"assertion":[{"value":"2025-06-20","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-08-26","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-09-03","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e02071"}}