Abstract
Mesoporous polyaromatic frameworks (PAF) based on tetraphenylmethane were synthesized. The PAF/AlCl3 and PAF/FeCl3 catalysts were prepared by impregnating the synthesized products with aluminum and iron chlorides, respectively. The resulting materials were characterized by low-temperature adsorption—desorption of nitrogen, IR spectroscopy, and transmission electron microscopy. The catalytic activity of PAF/AlCl3 and PAF/FeCl3 was tested in the phenol alkylation with oct-1-ene. The tests showed that the use of these catalysts gave both alkylphenols (C-alkylates) and alkyl phenyl ethers (O-alkylates) in the total yields up to 78 and 65% for PAF/AlCl3 and PAF/FeCl3, respectively. The fraction of alkylphenols depends on both the catalyst amount and reaction temperature.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2083–2087, November, 2019.
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Talanova, M.Y., Guojun, M., Karakhanov, E.A. et al. Mesoporous aromatic frameworks modified by metal chlorides in phenol alkylation with oct-1-ene. Russ Chem Bull 68, 2083–2087 (2019). https://doi.org/10.1007/s11172-019-2669-y
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DOI: https://doi.org/10.1007/s11172-019-2669-y