Efficient reductions of various nitroarenes with scrap automobile catalyst and NaBH4 |
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Affiliation: | 1. College of Science, Hebei Agricultural University, Baoding 071001, China;2. College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China |
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Abstract: | The effect of scrap automobile catalyst (SAC), a waste material, was investigated as a catalyst for the reduction of nitroarenes to the corresponding amines with sodium borohydride in aqueous ethanol at 5–25 °C. Along with the observed high conversions, the SAC and NaBH4 combination also exhibits a selectively catalyzed reduction in compounds containing other reducible functionalities, such as CN, Br, Cl and I. Recycling automobile wastes into a catalyst for organic reactions will offer both environmental protection and economic advantages. As a result, an effective, easy to use, low-priced and reliable method has been developed. |
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