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γ-Selective Cross-Coupling of Allylic Silanolate Salts with Aromatic Bromides Using Trialkylphosphonium Tetrafluoroborate Salts Prepared Directly from Phosphine•Borane Adducts
[Image: see text] The γ-selective, palladium-catalyzed cross-coupling of sodium (Z)-2-butenyldiethylsilanolate with a variety of aromatic bromides is reported. The protocol provides high yields (73–94%) and site-selectivity (γ/α, 25:1–>99:1) in the coupling of electron-rich, electron-poor, steric...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2011
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3163020/ https://ncbi.nlm.nih.gov/pubmed/21830766 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ol2017998 |
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