Conclusions
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1.
It was established that in pyrolysis the precursors of benzene are the dienes piperylene and cyclopentadiene.
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2.
Based on the obtained data the assumption was made that formation of benzene proceeds by successive addition of methyl radicals to C4 and C5 dienes.
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Literature cited
S. P. Gorislavets, D. N. Tmenov, and V. I. Maiorov, Pyrolysis of Hydrocarbon Raw Materials [in Russian], Nauk, Dumka, Kiev (1977).
G. V. Isagulyants, A. A. Greish, G. V. Kostina, and Yu. M. Zhorov, Izv. Akad. Nauk SSSR, Ser. Khim., 1340 (1984).
G. V. Isagulyants, A. A. Treish, Yu. M. Zhorov, and G. V. Kostina, Izv. Akad. Nauk SSSR, Ser. Khim., 1556 (1984).
R. Z. Magaril, Theoretical Bases of Chemical Processes in Crude Oil Refining [in Russian], Khimiya, Moscow (1976).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2783–2787, December, 1987.
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Isagulyants, G.V., Greish, A.A., Kovalenko, L.I. et al. Participation of C4, and C5 dienes in the pyrolytic formation of aromatic hydrocarbons. Russ Chem Bull 36, 2580–2583 (1987). https://doi.org/10.1007/BF00957238
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DOI: https://doi.org/10.1007/BF00957238