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Enantiodivergent hydroboration reactions of a racemic allenylsilane with diisopinocampheylborane and Curtin–Hammett controlled double asymmetric crotylboration reactions of (S)-E-αphenyldimethylsilyl((d)diisopinocampheyl)-crotylborane
The enantiodivergent hydroboration reactions of racemic allenylsilane (±)-4 with ((d)Ipc)(2)BH and subsequent crotylboration of achiral aldehydes with the product crotylborane (S)-E-5 at −78 °C provide (E)-δ-silyl-anti-homoallylic alcohols 6 in 71–89% yield and with 93–96% ee. Intriguingly, mismatch...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3779609/ https://ncbi.nlm.nih.gov/pubmed/24068848 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.tet.2013.06.053 |
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