The mechanism of Friedel–Crafts alkylations by lactones
Abstract
The alkylation of benzene by γ-valerolactone catalysed by aluminum bromide in 1,2,4-trichlorobenzene solvent has a rate law: γ=k[benzene][lactone][Al2Br6–(lactone)0/2] where k= 0·61 M–2S–1 at 35°.