Author： Du Xiaohua Li Xiaoqing Xu Zhenyuan
Publisher： Taylor & Francis Ltd
ISSN： 0039-7911
Source： Synthetic Communications, Vol.37, Iss.21, 2007-01, pp. : 3741-3749
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Abstract
Benzene is nitrated by a novel atom-economic nitration procedure with a NO2-O2 system in the presence of a mixture of solid oxides and Ln(OTf)3. The only by-product in this novel method is water. The efficiency of NO2 is much high than 50%, the theoretical efficiency of NO2 of the known methods. Among the solid oxides and Ln(OTf)3 studied, HZSM-5 and Sm(OTf)3 were the most efficient catalysts in this process. Therewith, the yield of the benzene nitration reached 72.5%, calculated by NO2.
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