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A range of 2-alkynylanisole substrates bearing different substituents were compatible with this protocol, affording the corresponding structurally diverse 3-chalcogenylated benzo[b]furans in moderate to excellent yields. The results of control experiments showed that the reaction first generated the electrophilic RSeCl\/RSCl species, which promoted the cyclization and chalcogenylation process.<\/jats:p>","DOI":"10.1021\/acs.joc.5c03036","type":"journal-article","created":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T02:29:22Z","timestamp":1784773762000},"page":"10563-10575","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis of 3-Chalcogenylated\nBenzo[\n                    <i>b<\/i>\n                    ]furans Enabled by a Multicomponent Reagent\nSystem"],"prefix":"10.1021","volume":"91","author":[{"given":"Jialiang","family":"Wu","sequence":"first","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiaxin","family":"He","sequence":"additional","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lingzhi","family":"Xu","sequence":"additional","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaiyue","family":"Yang","sequence":"additional","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Zhao","sequence":"additional","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengxia","family":"Sun","sequence":"additional","affiliation":[{"name":"Hebei University of Science and Technology , , ,","place":["Shijiazhuang, China, 050018"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0213-2854","authenticated-orcid":true,"given":"Yunfei","family":"Du","sequence":"additional","affiliation":[{"name":"Tianjin University , , ,","place":["Tianjin, China, 300072"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,22]]},"reference":[{"key":"2026080708081517600_cit1a","doi-asserted-by":"publisher","first-page":"2099","DOI":"10.1016\/S0960-894X(98)00374-6","article-title":"Synthesis\nand pharmacological evaluation of benzofuran-acetamides as \u201cantineophobic\u201d\nmitochondrial DBI receptor complex ligands","volume":"8","author":"Liao","year":"1998","journal-title":"Bioorg. 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