thioalkylated aromatic amines are prepared by reacting a mixture of an aromatic amine , an organic disulfide and a lewis acid or organometallic catalyst to form a product mixture and adding to said product mixture a polypolymer or by reacting a mixture of an aromatic amine , an organic disulfide and a lewis acid or organometallic catalyst in the presence of a polypolymer for the purpose of easy handling of the catalyst residue for recycling .