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σ- versus π-Activation of Alkynyl Benzoates Using B(C(6)F(5))(3)
We have prepared a range of alkynyl benzoates in high yields and have investigated their reactivities with the strong Lewis acid B(C(6)F(5))(3). In such molecules both σ-activation of the carbonyl and π-activation of the alkyne are possible. In contrast to the reactivity of propargyl esters with B(C...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6272168/ https://www.ncbi.nlm.nih.gov/pubmed/25774488 http://dx.doi.org/10.3390/molecules20034530 |