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Open AccessOn the origin of the stereoselectivity in chiral amide-based ammonium ylide-mediated epoxidations
Detailed DFT studies provide an in-depth mechanistic understanding for the use of chiral amide-based ammonium ylides in epoxidation reactions. It is shown that the used chiral auxiliary efficiently shields one...
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Article
Asymmetric α-chlorination of β-ketoesters using bifunctional ammonium salt catalysis
Chiral urea-quaternary ammonium salt hybrid organocatalysts were tested for their capability to control asymmetric α-chlorination reactions of β-ketoesters. After a careful screening we identified a structural...
