One-step Synthesis of Iron-functionalized Ordered Mesoporous Materials with High Catalytic Performance in Friedel-Crafts Alkylations

doi:10.3969/j.issn.0251-0790.2012.04.003

Abstract

Abstract: Iron functionalized mesoporous silicon dioxide with various n(Si)/n(Fe) ratios were synthesized via a one-pot synthesis process using soclium docecyl sulfate(SDS) and N-[3-(trimethoxysilyl)propyl]-1,2-ethanediamine(N-TPE) as anionic surfactant and co-structure-directing agent, respectively. Various techniques such as XRD, N₂ adsorption, TEM, UV-Vis, XPS and ESR were employed to characterize the products. The presence of iron species with tetrahedral coordination in the well-ordered mesoporous framework was confirmed. The catalytic performance was evaluated through the Friedel-Crafts benzylation of benzene by benzyl chloride. Under the optimized reaction condition, FeMS(40) exhibited superior catalytic performance with 100% yield of diphenylmethane within 2 min at 60 ℃.

Key words: Iron functionalized mesoporous SiO₂, One-step synthesis, Anionic surfactant, Friedel-Crafts alkylation

CLC Number:

TrendMD:

GAO Qian, XIU Yang, LI Guo-Dong, CHEN Jie-Sheng. One-step Synthesis of Iron-functionalized Ordered Mesoporous Materials with High Catalytic Performance in Friedel-Crafts Alkylations[J]. Chem. J. Chinese Universities, 2012, 33(04): 657.

References

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