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Título: | N-Heterocyclic Carbene-Catalyzed Monoacylation of 1,4-Naphthoquinones with Aldehydes |
Autor: | Molina Orden, María Teresa CSIC; Navarro, Cristina; Moreno, Ana; Csákÿ, Aurelio G. | Palabras clave: | Naphthoquinones Juglone Selective acylation NHC Carbenes Hydroacylation hydroquinones Conjugate addition of aldehydes |
Fecha de publicación: | 25-nov-2009 | Editor: | American Chemical Society | Citación: | J. Org. Chem. Article ASAP | Resumen: | The NHC-catalyzed conjugate hydroacylation of 1,4-naphthoquinones allows for the synthesis of monoacylated 1,4-dihydroxynaphthalene derivatives. These targets, difficult to prepare selectively by standard protocols, represent important intermediates in the elaboration of highly substituted 1,4-naphthoquinone derivatives, which constitute relevant pharmaceutical scaffolds. High regioselectivity has been observed in the hydroacylation reaction when starting from nonsymmetrical quinones. | Versión del editor: | http://pubs.acs.org/doi/pdf/10.1021/jo902235h | URI: | http://hdl.handle.net/10261/19142 | DOI: | 10.1021/jo902235h | ISSN: | 0022-3263 |
Aparece en las colecciones: | (IQM) Artículos |
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