Photo-initiated reactions of thiols and olefins. V. Inhibition of butene-2 isomerization by oxygen: a new method for determining relative reactivities
- 15 July 1970
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 48 (14) , 2173-2176
- https://doi.org/10.1139/v70-363
Abstract
Investigation of the kinetics of oxygen inhibition of the thiyl radical catalyzed isomerization of cis-butene-2 has yielded an estimate for the relative rates of oxidation (k7) and decomposition (k3) of the CH3S and olefin adduct radical. At 25 °C, k7/k3 = 7 × 104 l mole−1, and E3 − E7 = 11.8 ± 2.5 kcal. Making use of these results, a new method has been developed for determining relative reactivities of olefins, and some preliminary results have been obtained.Keywords
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