A Mild and Efficient Method for the Chemoselective Synthesis of Acylals from Aromatic Aldehydes and their Deprotections Catalyzed by Sulfated Zirconia
Aldehydes can be converted to acylals by treatment with acetic anhydride in the presence ofsulfated zirconia in excellent yield at 0 oC. Ketones and aliphatic aldehydes are found to be unaffectedunder the reaction conditions. The deprotection of the resulting acylals is achieved using the samecataly...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2005 |
| País: | México |
| Institución: | Universidad Nacional Autónoma de México |
| Repositorio: | Redalyc-UNAM |
| OAI Identifier: | oai:redalyc.org:47549225 |
| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=47549225 |
| Access Level: | acceso abierto |
| Palabra clave: | Química acylals protection deprotection sulfated zirconia |
| Sumario: | Aldehydes can be converted to acylals by treatment with acetic anhydride in the presence ofsulfated zirconia in excellent yield at 0 oC. Ketones and aliphatic aldehydes are found to be unaffectedunder the reaction conditions. The deprotection of the resulting acylals is achieved using the samecatalyst at 60 oC. The catalyst can be reused in two cycles without losing its activity. |
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