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Catalytic Enantioselective Protoboration of Disubstituted Allenes. Access to Alkenylboron Compounds in High Enantiomeric Purity
[Image: see text] Proto-boryl additions to 1,1-disubstituted allenes in the presence of 1.0–5.0 mol % of chiral NHC–Cu complexes, B(2)(pin)(2), and t-BuOH proceed to afford alkenyl–B(pin) products in up to 98% yield, >98:2 site selectivity, and 98:2 er. The enantiomerically enriched alkenylboron...
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| Hoofdauteurs: | , , |
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| Formaat: | Artigo |
| Taal: | Inglês |
| Gepubliceerd in: |
American Chemical Society
2014
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| Online toegang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4156252/ https://ncbi.nlm.nih.gov/pubmed/25153792 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ol5022417 |
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