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Intramolecular [2+2] Photocycloaddition of Cyclic Enones: Selectivity Control by Lewis Acids and Mechanistic Implications
The intramolecular [2+2] photocycloaddition of 3‐alkenyl‐2‐cycloalkenones was performed in an enantioselective fashion (nine representative examples, 54–86 % yield, 76–96 % ee) upon irradiation at λ=366 nm in the presence of an AlBr(3)‐activated oxazaborolidine as the Lewis acid. An extensive screen...
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| Publicado en: | Chemistry |
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| Autores principales: | , , , |
| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
John Wiley and Sons Inc.
2019
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6618137/ https://ncbi.nlm.nih.gov/pubmed/30983074 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/chem.201901304 |
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