Thioalkylation is an important and widely used procedure for carbon–carbon bond formation and the production of unsymmetrical sulfides.1 View all references Usually, thioalkylation of phenol proceeds through hydroxymethyl, halomethyl, or Mannich??type phenol as an intermediate.2 View all references Among them, pyrolysis of Mannich??type phenol provides a powerful procedure for preparation of thioalkylated phenol. Displacement of dialkylamine by a thiol gives the ...