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|Title:||Gold(I)-Catalyzed Oxidative Cascade Cyclization of 1,4-Diyn-3-ones for the Construction of Tropone-Fused Furan Scaffolds|
|Author's alias:||山口, 亞由太|
|Publisher:||American Chemical Society|
|Journal title:||Organic Letters|
|Abstract:||Gold(I)-catalyzed cascade cyclization of 1, 4-diyn-3-ones with a pyridine N-oxide enabled direct construction of a benzo[6, 7]cyclohepta[1, 2-b]furan scaffold with the formation of four bonds. This reaction would proceed through oxidative cyclization, alkynyl migration, and 5-endo-dig type cyclization. Synthesis of benzotropone-fused naphtho[1, 2-b]furans through a two-step sequence, including epoxidation and In(OTf)₃-catalyzed intramolecular carbon–carbon bond formation, is also presented.|
|Rights:||This document is the Accepted Manuscript version of a Published Work that appeared in final form in 'Organic Letters', copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.orglett.8b01524.|
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|Appears in Collections:||Journal Articles|
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