Highly enantioselective amination of α-substituted α-cyanoacetates with chiral catalysts accessible from both quinine and quinidine
Organic Letters, ISSN: 1523-7060, Vol: 7, Issue: 2, Page: 167-169
2005
- 193Citations
- 31Captures
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Metrics Details
- Citations193
- Citation Indexes193
- 193
- CrossRef175
- Captures31
- Readers31
- 31
Article Description
(Chemical Equation Presented) 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 α,α-disubstituted carbonyl compounds that is suitable for the creation of nitrogen-substituted quaternary stereocenters in either the R or S configuration.
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