Nitrite Ionic Liquids (IL-ONO and [bmim]NO2) as Effective Nitrosonium Sources for the Synthesis of α-Oximinoketones under Mild Heterogeneous Conditions
Corresponding Author
H. Valizadeh
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran, Tel: +98-411-3856447; Fax: +98-4124327541Search for more papers by this authorA. Shomali
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Search for more papers by this authorH. Gholipour
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Search for more papers by this authorCorresponding Author
H. Valizadeh
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran, Tel: +98-411-3856447; Fax: +98-4124327541Search for more papers by this authorA. Shomali
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Search for more papers by this authorH. Gholipour
Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran
Search for more papers by this authorAbstract
Ketones and β-diketones were nitrosated and converted to their corresponding α-oximinoketones using task-specific ionic liquids, 1-(4-nitritobutyl)-3-methylimidazolium chloride, IL-ONO, and 1-butyl-3-methylimidazolium nitrite at room temperature. The results from two ionic liquids are comparable and showed that these IL's are effective nitrosonium sources for the preparation of oximinoketones. The protocol is rapid, the yields are excellent, and the method is simple.
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