Environmentally benign NiAlCe-hydrotalcite for efficient synthesis of benzoin ethyl ether |
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Authors: | Kai Yan Aicheng Chen |
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Institution: | 1. Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON, P7B 5E1, Canada
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Abstract: | Benzoin ethyl ether is traditionally synthesized in two steps of initial condensation followed by etherification, using toxic cyanide catalysts and enzymes. Here, we show that an environmentally benign NiAlCe-hydrotalcite catalyst is highly efficient for one-step synthesis of benzoin ethyl ether. We synthesized NiAlCe-hydrotalcite catalysts by a modified coprecipitation method. 99.3 % selectivity was achieved at 63.7 % conversion of benzaldehyde on the NiAlCe-hydrotalcite catalyst with a Ni2+/Al3+/Ce3+ ratio of 22:10:1. Moreover, NiAlCe-hydrotalcite catalysts maintained stable activities over three consecutive runs. |
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