Oxidative Catalysis Using the Stoichiometric Oxidant as a Reagent

Making waste a functionality: Oxidative electron transfer-mediated anion-radical transformations are rendered catalytic by employing a 2,2,6,6-tetramethyl-N-oxopiperidinium salt with ferrocene. This enables an asymmetric approach to highly functionalized cyclopentane and pyrrolidine derivatives. At the same time the co-generated reduced species TEMPO serves as a useful oxygenating functionality

F. Kafka, M. Holan, D. Hidasova, R. Pohl, I. Cisarova, B. Klepetarova, U. Jahn, Angew Chem Int Edit 2014, 53, 9944-9948. DOI:10.1002/Anie.201403776.

Uni bern 2017/02