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The reaction employs AuCl3 as a catalyst, with alcohol serving the dual role of both solvent as well as nucleophile. The developed chemistry accommodates linear, branched, cyclic, and terpene-based alcohols affording products in moderate to good yields. The methodology also allowed the one-step preparation of natural alkaloids suh as 4-methoxy-2-phenylquinoline (2a) and graveolinine (2e). Beyond quinolines, our methodology is amenable to the synthetic access of benzofuropyridines. Preliminary mechanistic studies revealed that AuCl3 not only catalyzes the initial aza-cyclization but also triggers the subsequent alcohol addition step. The use of isotopomeric alcohol as nucleophilic partners provides insights on the catalytic C\u2013H bond activation of the products after being formed. Replacing alcohol by toluene halts the reaction at the Michael cyclization step affording dihydroquinolinones with complete product control. Unlike the existing methods, our catalytic approach holds merits such as low solvent quantities, no external oxidants, and no toxic by-products.<\/jats:p>","DOI":"10.1021\/acs.joc.6c01465","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T20:01:56Z","timestamp":1789416116000},"page":"12958-12970","source":"Crossref","is-referenced-by-count":0,"title":["Microwave-Enabled\nOxidative Alkoxycyclization of 2\u2032-Aminochalcones\nby Gold Catalysis"],"prefix":"10.1021","volume":"91","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6999-6801","authenticated-orcid":true,"given":"Chandrasekar","family":"Praveen","sequence":"first","affiliation":[{"name":"SRM Institute of Science and Technology , , , Chengalpattu District , ,","place":["Kattankulathur -, Tamil Nadu, India, 603 203"]},{"name":"University of Sa\u0303o Paulo , , , ,","place":["Ribeira\u0303o Preto, Sa\u0303o Paulo, Brazil, 14040-903"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel","family":"de Paula Bueno","sequence":"additional","affiliation":[{"name":"University of Sa\u0303o Paulo , , , ,","place":["Ribeira\u0303o Preto, Sa\u0303o Paulo, Brazil, 14040-903"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Franco Jazon","family":"Caires","sequence":"additional","affiliation":[{"name":"University of Sa\u0303o Paulo , , , ,","place":["Ribeira\u0303o Preto, Sa\u0303o Paulo, Brazil, 14040-903"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuliano C.","family":"Clososki","sequence":"additional","affiliation":[{"name":"University of Sa\u0303o Paulo , , , ,","place":["Ribeira\u0303o Preto, Sa\u0303o Paulo, Brazil, 14040-903"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,9,14]]},"reference":[{"key":"2026092509100016500_cit1a","doi-asserted-by":"publisher","first-page":"9028","DOI":"10.1021\/cr500691k","article-title":"Gold(I)-Catalyzed Activation of Alkynes\nfor the Construction of Molecular Complexity","volume":"115","author":"Dorel","year":"2015","journal-title":"Chem. 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