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Oxyanion-steering and CH-π Interactions as Key Elements in a N-Heterocyclic Carbene-Catalyzed [4+2] Cycloaddition
The N-heterocyclic carbene catalyzed [4+2] cycloaddition has been shown to give γ,δ-unsaturated δ-lactones in excellent enantio- and diastereoselectivity. However, preliminary computational studies of the geometry of the intermediate enolate rendered ambiguous both the origins of selectivity and the...
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| Hlavní autoři: | , , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2012
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3405918/ https://ncbi.nlm.nih.gov/pubmed/22765294 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja302761d |
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