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Highly efficient synthesis of Fe-containing mesoporous materials by using semi-fluorinated surfactant and their high activities in Friedel-Crafts alkylations
被引:24
作者:
Du, Yunchen
Liu, Sen
Ji, Yanyan
Zhang, Yonglai
Liu, Fujian
Gao, Qian
Xiao, Feng-Shou
[1
]
机构:
[1] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Fe-containing mesoporous materials;
Fe-JLU-15;
benzylation;
semi-fluorinated surfactant;
D O I:
10.1016/j.cattod.2007.10.021
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
Fe-containing mesoporous materials (Fe-JLU-15) with various Si/Fe ratios (47-112) have been successfully synthesized by using semi-fluorinated surfactant of FSO-100 as a template. XRD, N-2 isotherm, and TEM techniques indicate that these samples have worm-like mesostructure with uniform pore size. UV-vis and ESR spectra suggest that Fe species in Fe-JLU-15 are mainly tetrahedrally coordinated. Interestingly, compared with Fe-SBA-15, the efficiency of incorporation of Fe species into Fe-JLU-15 is relatively high. Very importantly, catalytic data in benzylation of aromatic compounds such as benzene, toluene, and ethylbenzene with benzyl chloride shows that Fe-JLU-15 samples are very active and recycle catalysts. (c) 2007 Elsevier B.V. All rights reserved.
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页码:70 / 75
页数:6
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