abstract |
The invention relates to a process for the isomerization of substituted aromatic compounds in the presence of special molten salts. Examples include the isomerization of dichlorobenzene, trichlorobenzene, chlorotoluene or chlorobromobenzene using molten salts consisting of AlCl3 / LiCl, AlCl3 / LiBr or AlBr3 / LiBr. |