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Updated: May 28, 2025

A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species
Published on: August 16, 2018
Photocatalytic Tandem Ueno-Stork Cyclization/Intermolecular Giese Addition Sequence for Stereoselective
Yuki Tateishi1, Shota Nagasawa1, Yoshiharu Iwabuchi1
1Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
Abstract:
Herein, we report a novel photocatalytic tandem Ueno-Stork cyclization/intermolecular Giese addition sequence for the stereoselective difunctionalization of allylic alcohols. This reaction avoids the use of toxic reagents and complicated protocols typically required under classical Ueno-Stork conditions. Furthermore, the reaction system demonstrated good stereoselectivity with both cyclic and linear allylic alcohols.
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