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Conversion of α-methylstyrene over pentasil zeolites with various silica ratios

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Abstract

It has been shown that α-methylstyrene in the presence of H-HSZ (SiO2/Al2O3 = 40–120) and Fe-HSZ (SiO2/Al2O3 = 60) pentasils in a nitrogen atmosphere (80–120°C, 5–20 wt % catalyst) is converted into linear (4-methyl-2,4-diphenylpent-1-and-2-enes) and cyclic (1,1,3-trimethyl-3-phenylindan) dimers. The H-type high-silica (SiO2/Al2O3 = 120) and ferrosilicate zeolites in air facilitate the conversion of α-methylstyrene into acetophenone and α-phenylpropionaldehyde.

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Correspondence to N. G. Grigor’eva.

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Original Russian Text © N.G. Grigor’eva, R.R. Galyautdinova, A.V. Vosmerikov, L.L. Korobitsina, B.I. Kutepov, U.M. Dzhemilev, 2008, published in Neftekhimiya, 2008, Vol. 48, No. 5, pp. 363–367.

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Grigor’eva, N.G., Galyautdinova, R.R., Vosmerikov, A.V. et al. Conversion of α-methylstyrene over pentasil zeolites with various silica ratios. Pet. Chem. 48, 366–370 (2008). https://doi.org/10.1134/S096554410805006X

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  • DOI: https://doi.org/10.1134/S096554410805006X

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