| Popis: |
Thermal decarboxylation of sodium trichloroacetate in the presence of hexachloroacetone yields CO2, CO, CCl4, perchloroisopropenyl acetate and perchloroisopropenyl acrylate. A mechanism is suggested involving Cl+-abstraction by a CCl3− ion from the ketone as the primary step, followed by Favorskii rearrangement of the resulting anion CCl3COCCl2.− In the corresponding reaction of sodium trichloroacetate with pentachloroacetone both H+-abstraction from the -CHCl2 group and Cl+ -abstraction from the -CCl3 group occur. |
