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Título: | Gold-Catalyzed Divergent Ring-Closing Modes of Indole-Tethered Amino Allenynes |
Autor: | Alcaide, Benito CSIC ORCID; Almendros, Pedro CSIC ORCID ; Fernández, Israel; Herrera, Fernando; Luna, Amparo | Palabras clave: | Heterocycles Synthetic methods Alkynes Cyclization Gold |
Fecha de publicación: | 2018 | Editor: | John Wiley & Sons | Citación: | Chemistry - A European Journal 24: 1448-1454 (2018) | Resumen: | Indole-tethered amino allenynes were chemodivergently cyclized for the controlled preparation of fused polycyclic indoles using gold catalysis. Double cyclization of terminal allenynes afforded hexacyclic 15 H-indolo[1,2,3-de]quinolino[3,2,1-ij]quinoxalines, in which allenynes bearing a substituted alkyne at the terminal end generated 12,13-dihydro-7 H-indolo[3,2-c]acridines, which are 5-membered cyclized adducts. Density functional theory calculations were performed to shed light on this difference in reactivity. | Versión del editor: | http://dx.doi.org/10.1002/chem.201705294 | URI: | http://hdl.handle.net/10261/165218 | DOI: | 10.1002/chem.201705294 | Identificadores: | doi: 10.1002/chem.201705294 issn: 0947-6539 e-issn: 1521-3765 |
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