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Enantioselective Copper-Catalyzed Alkynylation of Benzopyranyl Oxo-carbenium Ions
We have developed highly enantioselective, copper-catalyzed alkynylations of benzopyranyl acetals. By using a copper(I) catalyst equipped with a chiral bis(oxazoline) ligand, high yields and enantioselectivities are achieved in the alkynylation of widely available, racemic isochroman and chromene ac...
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| Publicado no: | J Org Chem |
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| Main Authors: | , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2015
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4822504/ https://ncbi.nlm.nih.gov/pubmed/25847687 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/acs.joc.5b00364 |
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