Abstract
AbstractThe pyrolysis of 4‐chloro‐1‐butanol has been studied in a static system, seasoned with allyl bromide, and in the presence of the free radical suppressor toluene. The working temperature and pressure ranges were 400–450°C and 43–164 Torr, respectively. The reaction is homogeneous, unimolecular, and follows a first‐order rate law. The temperature dependence of the rate coefficients is given by the following Arrhenius equation: log k1(s−1) = (13.34 ± 0.50) − (221.1 ± 6.7) kJ mol−1 (2.303RT)−1. The products tetrahydrofuran, formaldehyde, and propene, arise by the participation of the neighboring OH group in 4‐chloro‐1‐butanol pyrolysis. The reaction is best explained in terms of an intimate ion pair type of mechanism.
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