Epoxidations and Hydroperoxidations of α,β-Unsaturated Ketones
An Approach through Asymmetric Organocatalysis
Corinna Reisinger has developed a new organocatalytic asymmetric epoxidation of cyclic and acyclic α,β-unsaturated ketones. In this thesis, Corinna documents her methodology, using primary amine salts as catalysts, and hydrogen peroxide as an inexpensive and environmentally benign oxidant. She describes the unprecedented and powerful catalytic asymmetric hydroperoxidation of α,β-enones, a process which produces optically active five-membered cyclic peroxyhemiketals in a single operation. She also proves the versatility and synthetic value of the cyclic peroxyhemiketals by converting them into highly enantioenriched acyclic and cyclic aldol products. Currently, these cyclic aldol products are inaccessible by any other synthetic means. Furthermore, cyclic peroxyhemiketals are precursors to optically active 1,2-dioxolanes which are of biological relevance. This work is a breakthrough in the field of asymmetric epoxidation chemistry and outlines the most efficient method in the literature for generating highly enantioselective cyclic epoxyketones known to date.
This edition of The Didache comes complete with an active and linked Touch-or-Click Table of Contents. Based on customer feedback this version now includes five translations and a Greek version of The Didache, all in one e-book! The Didache, or Teaching of the Twelve Apostles was first discovered in 1883 in a monastery in Constatinople. It was…
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