THE PYROLYSIS OF DIALLYL (1,5-HEXADIENE) | Zendy

D. J. Ruzicka | Zendy; W. A. Bryce | Zendy

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THE PYROLYSIS OF DIALLYL (1,5-HEXADIENE)

Author(s) -

D. J. Ruzicka,

W. A. Bryce

Publication year - 1960

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v60-119

Subject(s) - chemistry , cyclopentene , cyclopentadiene , decomposition , ethylene , benzene , pyrolysis , thermal decomposition , hexene , hydrogen atom abstraction , photochemistry , double bond , atmospheric temperature range , olefin fiber , hydrogen , organic chemistry , catalysis , physics , meteorology

The mechanism of decomposition of diallyl has been studied in a static system in the temperature range 460–520 °C. The principal gaseous products (room temperature) were propylene, methane, ethylene, and 1-butene, and the liquid products were cyclopentene, cyclopentadiene, 1-hexene, and benzene. The over-all activation energy of decomposition was 31.3 ± 1.0 kcal/mole for an A factor of 10 7 sec −1 . A mechanism of decomposition based on hydrogen abstraction by allyl and the addition of allyl to olefinic double bonds is proposed. Some decomposition by a non-radical mechanism may also occur.

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