期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 350, 期 1-2, 页码 9-15出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2011.08.009
关键词
p-Nitrophenol; p-Aminophenol; Transition metal oxide; Reduction; XRD; HPLC
The catalytic activities of first row transition metal oxides in the conversion of p-nitrophenol to p-aminophenol were investigated. The conversion was carried out at room temperature (30 degrees C) using aqueous sodium borohydride. The reduction process was accelerated by CuO, Co(3)O(4), Fe(2)O(3) and NiO. The oxides such as TiO(2), V(2)O(5), Cr(2)O(3), MnO(2) and ZnO were found to be inactive towards the conversion of the nitrophenol. The active catalysts were analyzed before and after the reaction by XRD and the reduction reaction was monitored and confirmed by UV-vis, HPLC, (1)H NMR and FT-IR techniques. (C) 2011 Elsevier B.V. All rights reserved.
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