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The Mannich Reaction of Malonates with Simple Imines Catalyzed by Bifunctional Cinchona Alkaloids: Enantioselective Synthesis of β-Amino Acids
[Image: see text] We describe the first efficient, direct asymmetric Mannich reactions with malonates and N-Boc aryl and alkyl imines by cooperative hydrogen bonding catalysis with a cinchona alkaloid bearing a thiourea functionality. We have also extended the scope of this reaction to β-ketoesters....
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| Hlavní autoři: | , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2006
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3172002/ https://ncbi.nlm.nih.gov/pubmed/16669669 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja060716f |
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