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Enantioselective Syntheses of syn- and anti-β-Hydroxyallylsilanes Via Allene Hydroboration-Aldehyde Allylboration Reactions
[Image: see text] The kinetic hydroboration of allenylsilane 5 with ((d)Ipc)(2)BH at −40 °C provides allylborane 9Z with ≥12:1 selectivity. When the hydroboration is performed at temperatures above −40 °C, 9Z isomerizes to the thermodynamically more stable allylborane 9E with >20:1 selectivity. S...
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| Main Authors: | , |
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| Formáid: | Artigo |
| Teanga: | Inglês |
| Foilsithe: |
2011
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| Ábhair: | |
| Rochtain Ar Líne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3075570/ https://ncbi.nlm.nih.gov/pubmed/21410173 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ol200392u |
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