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Tandem aldehyde–alkyne–amine coupling/cycloisomerization: A new synthesis of coumarins
Cu-catalyzed A(3) coupling of ethoxyacetylene, pyrrolidine and salicylaldehydes led to a concomitant cycloisomerization followed by hydrolysis of the resultant vinyl ether to afford coumarins in a cascade process. The reaction proceeded through exclusive 6-endo-dig cyclization and is compatible with...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Beilstein-Institut
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3566765/ https://ncbi.nlm.nih.gov/pubmed/23400373 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3762/bjoc.9.21 |
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