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Solvent-Dependent Divergent Functions of Sc(OTf)(3) in Stereoselective Epoxide-Opening Spiroketalizations
[Image: see text] A stereocontrolled synthesis of benzannulated spiroketals has been developed using solvent-dependent Sc(OTf)(3)-mediated spirocyclizations of exo-glycal epoxides having alcohol side chains. In THF, the reaction proceeds via Lewis acid catalysis under kinetic control with inversion...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American
Chemical Society
2014
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4018158/ https://www.ncbi.nlm.nih.gov/pubmed/24742081 http://dx.doi.org/10.1021/ol500853q |