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Alkaloid-catalyzed enantioselective [3 + 2] cycloaddition of ketenes and azomethine imines
A new asymmetric synthesis of bicyclic pyrazolidinones through an alkaloid-catalyzed formal [3 + 2] cycloaddition of in situ-generated ketenes and azomethine imines is described. The products were formed in good to excellent yields (52–99% for 17 examples), with good to excellent diastereoselectivit...
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| Veröffentlicht in: | Org Lett |
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| Hauptverfasser: | , , |
| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
2016
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5012990/ https://ncbi.nlm.nih.gov/pubmed/27498770 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/acs.orglett.6b02038 |
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