abstract |
A process for the dehalogenation of 1,3-dioxolanes of formula: ##STR1## wherein X 1 and X 3 , like or different from each other, are Cl or Br, X 2 and X 4 , like or different from each other, are F or H. Said process consists in contacting the dioxolane of formula (I) with metallic zinc at a temperature ranging from +30° to 130° C. The corresponding dioxoles are obtained. |