Lin, Yu WeiYu WeiLinSHIUH-TZUNG LIU2024-04-232024-04-232024-03-012624-781Xhttps://scholars.lib.ntu.edu.tw/handle/123456789/642014A synthetic approach to dibenzofurotropone derivatives 1 has been developed through the palladium-catalyzed cyclization of (2-bromoaryl)(3-arylfuran-2-yl)methanones 2 via the activation of arylic C–H bonds. Compounds 2 were easily prepared from the palladium-promoted acyl migration and cyclization of (Z)-pent-2-en-4-yn-1-yl acetates 3 in the presence of 1,8-diazabicyclo(5.4.0)undec-7-ene (DBU), followed by oxidative decarbonylation and oxidation with O2. Ten new tropone compounds are reported and these compounds show absorption in the UV-vis region and emission in the visible region.encyclization | palladium | troponesjournal article10.3390/reactions50100052-s2.0-85188950929https://api.elsevier.com/content/abstract/scopus_id/85188950929