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An efficient synthesis of 3-indolyl-3-hydroxy oxindoles and 3,3-di(indolyl)indolin-2-ones catalyzed by sulfonated β-CD as a supramolecular catalyst in water
Sulfonated-β-cyclodextrin (β-CD-SO(3)H) promoted efficient and fast electrophilic substitution reaction of indoles with various isatins reflux in water is reported affording various 3-indolyl-3-hydroxy oxindoles and 3,3-di(indolyl)indolin-2-ones in good to excellent yields in short reaction time.
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| Publicado no: | Tetrahedron Lett |
|---|---|
| Main Authors: | , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier Ltd.
2015
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7111843/ https://ncbi.nlm.nih.gov/pubmed/32287446 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.tetlet.2014.12.012 |
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