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Asymmetric Induction via a Helically Chiral Anion: Enantioselective PCCP Brønsted Acid-Catalyzed Inverse Electron-Demand Diels-Alder Cycloaddition of Oxocarbenium Ions
An enantioselective catalytic inverse electron-demand Diels-Alder reaction of salicylaldehyde acetal-derived oxocarbenium ions and vinyl ethers to generate 2,4-dioxychromanes is described. Chiral PCCP acids are found to be effective for a variety of substrates. Computational and X-ray crystallograph...
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| Publicado no: | J Am Chem Soc |
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| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2018
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5859540/ https://ncbi.nlm.nih.gov/pubmed/29485273 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/jacs.8b00260 |
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