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The kinetics of thermal dimerization of hexatriene

✍ Scribed by V. Bulatov; I. Oref

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 317 KB
Volume: 25
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550251206

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✦ Synopsis

The thermal isomerization of cis-hexatriene (cHT) to cyclohexadiene (CHD) and the dimerization of CHD and trans-hexatriene (tHT) in the liquid phase in the temperature range 380 K-473 K are reported.

The rate coefficients are: for the cHT to CHD isomerization

27,500 i 1500)/4.576 T + (10.7 i O . ~) ( S -' ) for tHT dimerization log kso = -(23,100 2 300)/4.576 T + (7.6 ? 0.1) C mol-' s-' log k3b = -(22,400 ? 1000)/4.576 T + (7.6 i 0.1) C mol-' s-' log k3c = -(20,600 i 1500)/4.576 T + (6.4 i 0.1) C mol-' s-l and for CHD dimerization; endo form log k5a = -(23,200 i 1500)/4.576 T + (6.1 ? 0.2) C mol-' s-' exo form log k5b = -(25,400 ? 1500)/4.576 T + (6.5 i 0.2) C mol-' s-'

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