Kinetics of the thermal decomposition of 3-chlorobut-1-ene and 3-chloro-2-methylbut-1-ene
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society B: Physical Organic
- p. 1238-1241
- https://doi.org/10.1039/j29670001238
Abstract
The thermal decompositions of 3-chloro- and 3-chloro-2-methyl-but-1-ene in the range 320–380° are homogeneous and first-order, with rate constants 2·20 × 1013 exp (–48,500/RT) and 1·90 × 1013 exp (–46,900/RT) sec.–1, respectively. In each case there is unimolecular elimination of hydrogen chloride. Allylic rearrangement is not rapid under the reaction conditions. In the compounds studied the α-vinyl group does not markedly accelerate the unimolecular elimination of hydrogen chloride. At 385° 3-chlorobut-1-ene decomposes 4·1 times as fast as isopropyl chloride.Keywords
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