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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Highly enantioselective amination of alpha-substituted alpha-cyanoacetates with chiral catalysts accessible from both quinine and quinidine.

[Reaction: see text] The catalytic construction of nitrogen-substituted quaternary stereocenters is an important and challenging task in asymmetric synthesis. In this paper, we describe the use of 6'-OH-modified cinchona alkaloids that are accessible from either quinine or quinidine for the development of a highly enantioselective amination of alpha,alpha-disubstituted carbonyl compounds that is suitable for the creation of nitrogen-substituted quaternary stereocenters in either the R or S configuration.[1]


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