Journal of Organic Chemistry p. 4050 - 4053 (1982)
Update date:2022-08-29
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Roberts, R. M. G.
The rates of isomerization of o- and p-xylenes to m-xylene have been measured in the solvent trifluoromethanesulfonic acid (triflic acid, CF3SO3H), using NMR, GLC, and conductimetric methods.At low concentration (<0.02 M) the expected first-order kinetics were observed, whereas at higher concentrations the reactions followed apparent second-order kinetics.The mechanism of the reaction is discussed in terms of intimate ion pairing and possible incursion of donor-acceptor complexes between protonated and unprotonated solute molecules.
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