RT info:eu-repo/semantics/article T1 Gold-Catalyzed “Back-to-Front” Synthesis of 4-Silyloxyindoles A1 Muñoz Torres, Miguel Ángel A1 Suárez Pantiga, Samuel A1 Sanz Díez, Roberto K1 Química K1 Chemistry K1 Química orgánica K1 Chemistry, Organic AB A series of pyrrol-yn-glycol derivatives were easily prepared from simple pyrroles through a three-step sequence involving hydroxyalkylation-alkynylation-O-silylation. Their reaction with IPrAuNTf2 triggers a C2-pyrrole attack onto the activated alkyne and subsequent highly selective 1,2-migration of the oxyalkyl group in the intermediate spirocycle. This approach enables the efficient synthesis of a wide selection of regioselectively functionalized 4-hydroxyindoles, which represent important yet challenging indole scaffolds, in high yields. PB American Chemical Society SN 1523-7060 YR 2024 FD 2024-06 LK http://hdl.handle.net/10259/10500 UL http://hdl.handle.net/10259/10500 LA eng NO We gratefully acknowledge Ministerio de Ciencia e Innovación(PID2020-115789GB-C21/AEI/10.13039/501100011033), and Junta de Castilla y León and FEDER (BU028P23) forfinancial support. M.A. M.-T. thanks Junta de Castilla y Leónand Fondo Social Europeo for a predoctoral contract. S.S.-P.thanks Ministerio de Ciencia e Innovación and “NextGener-ationEU”/PRTR EU for a Ramón y Cajal contract (RYC2021-031533-I). DS Repositorio Institucional de la Universidad de Burgos RD 30-may-2025