{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T16:19:08Z","timestamp":1770135548674,"version":"3.49.0"},"reference-count":0,"publisher":"Georg Thieme Verlag KG","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Synlett"],"published-print":{"date-parts":[[2018,7]]},"abstract":"<jats:p>A one-pot synthesis of a novel series of chromeno-imidazo-pyridinone derivatives from 3-[(2-hydroxyphenyl)-3-oxoprop-1-en-1-yl]chromones and ethane-1,2-diamine at room temperature under catalyst-free conditions has been successfully developed. This approach involves a tandem aza-Michael addition reaction, a chromone-to-chromanone rearrangement, and a heterocyclization sequence, leading to chromeno-imidazo-pyridinone polyheterocycles. The structure and absolute configurations of the new compounds were elucidated by a combination of 1D- and 2D-NMR analyses and single-crystal X-ray diffraction.<\/jats:p>","DOI":"10.1055\/s-0037-1609684","type":"journal-article","created":{"date-parts":[[2018,5,7]],"date-time":"2018-05-07T18:30:43Z","timestamp":1525717843000},"page":"1437-1440","source":"Crossref","is-referenced-by-count":3,"title":["Catalyst-Free One-Pot Synthesis of Chromeno-Imidazo-Pyridinones by an Aza-Michael Addition\/Rearrangement\/Heterocyclization Tandem Reaction"],"prefix":"10.1055","volume":"29","author":[{"given":"Oualid","family":"Talhi","sequence":"first","affiliation":[{"name":"Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC)"},{"name":"QOPNA and Department of Chemistry, University of Aveiro"}]},{"given":"Norah","family":"Bennamane","sequence":"first","affiliation":[{"name":"Lab. de Chimie Organique Appliqu\u00e9e, Facult\u00e9 de Chimie, Universit\u00e9 des Sciences et de la Technologie Houari Boumedi\u00e8ne BP 32"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2861-8286","authenticated-orcid":false,"given":"Artur","family":"Silva","sequence":"first","affiliation":[{"name":"QOPNA and Department of Chemistry, University of Aveiro"}]},{"given":"Houria","family":"Lakhdari","sequence":"additional","affiliation":[{"name":"Lab. de Chimie Organique Appliqu\u00e9e, Facult\u00e9 de Chimie, Universit\u00e9 des Sciences et de la Technologie Houari Boumedi\u00e8ne BP 32"},{"name":"Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC)"}]},{"given":"Ridha","family":"Hassaine","sequence":"additional","affiliation":[{"name":"Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC)"},{"name":"Lab. de Catalyse et Synth\u00e8se en Chimie Organique, Facult\u00e9 des Sciences, Universit\u00e9 de Tlemcen"}]},{"given":"Nadia","family":"Taibi","sequence":"additional","affiliation":[{"name":"Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC)"}]},{"given":"Ricardo","family":"Mendes","sequence":"additional","affiliation":[{"name":"CICECO\u2013Aveiro Institute of Materials, Department of Chemistry, University of Aveiro"}]},{"given":"Filipe","family":"Almeida Paz","sequence":"additional","affiliation":[{"name":"CICECO\u2013Aveiro Institute of Materials, Department of Chemistry, University of Aveiro"}]},{"given":"Bellara","family":"Nedjar-Kolli","sequence":"additional","affiliation":[{"name":"Lab. de Chimie Organique Appliqu\u00e9e, Facult\u00e9 de Chimie, Universit\u00e9 des Sciences et de la Technologie Houari Boumedi\u00e8ne BP 32"}]},{"given":"Khaldoun","family":"Bachari","sequence":"additional","affiliation":[{"name":"Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC)"}]}],"member":"194","published-online":{"date-parts":[[2018,5,7]]},"container-title":["Synlett"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.1055\/s-0037-1609684.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T18:52:44Z","timestamp":1529434364000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.1055\/s-0037-1609684"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,5,7]]},"references-count":0,"journal-issue":{"issue":"11","published-online":{"date-parts":[[2018,6,19]]},"published-print":{"date-parts":[[2018,7]]}},"URL":"https:\/\/doi.org\/10.1055\/s-0037-1609684","relation":{},"ISSN":["0936-5214","1437-2096"],"issn-type":[{"value":"0936-5214","type":"print"},{"value":"1437-2096","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,5,7]]}}}