期刊
JOURNAL OF CHEMICAL SCIENCES
卷 117, 期 6, 页码 635-639出版社
INDIAN ACADEMY SCIENCES
DOI: 10.1007/BF02708292
关键词
Fe-Mg-hydrotalcite; activation by calcinations; benzylation of toluene; benzylation of aromatic compounds
Fe-Mg-hydrotalcite (Mg/Fe = 3) anionic clay with or without calcination (at 200-800 degrees C) has been used for the benzylation of toluene and other aromatic compounds by benzyl chloride. Hydrotalcite before and after its calcination was characterized for surface area, crystalline phases and basicity. Both the hydrotalcite, particularly after its use in the benzylation reaction, and the catalyst derived from it by its calcination at 200-800 degrees C show high catalytic activity for the benzylation of toluene and other aromatic compounds. The catalytically active species present in the catalyst in its most active form are the chlorides and oxides of iron on the catalyst surface.
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