THE REACTION OF HEXACHLOROACETONE WITH DIAMINES

The reaction of hexachloroacetone (HCA) with various diamines led eith er to the corresponding diamides or to cyclic ureas, depending on the molar ratio of the reactants. In the cases of ethylenediamine, 1,2-dia minocyclohexane and o-phenylenediamine, the reaction with HCA also for med bisimidazole derivatives. These latter unexpected products were al so formed when the diamine reacted with trichloroacetate esters or wit h carbon dioxide.