Sulphated AlMCM-41: Mesoporous solid Brønsted acid catalyst for dibenzoylation of biphenyl

@inproceedings{Poh2006SulphatedAM,
  title={Sulphated AlMCM-41: Mesoporous solid Br{\o}nsted acid catalyst for dibenzoylation of biphenyl},
  author={Ng Eng Poh and H. Erleena Nur and Mohd Nazlan and Mohd Nazlan Mohd Muhid and Halimaton Hamdan},
  year={2006}
}
Sulphated mesoporous solid Brønsted acid catalyst (SO4-AlMCM-41) was prepared by impregnation of sulphuric acid on the surface of HAlMCM-41. Characterization of SO4-AlMCM-41 by pyridine adsorption studies and Al MAS NMR showed that the presence of Brønsted acidity was correlated with octahedrally coordinated aluminium and solvent environment. Catalytic study demonstrated that the SO4-AlMCM-41 catalyst has a higher activity in the dibenzoylation of biphenyl with benzoyl chloride than sulphuric… CONTINUE READING
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