Abstract:
A method for the simultaneous production of organic acid chloride and unsaturated hydrocarbons by heating in the presence of a Lewis acid as a catalyst, of a ketone having the general formula: R1R2R3C - CO - CHR4R5 with a trichloromethylated hydrocarbon having a double bond in the alpha position and represented by the general formula R - C Cl3 in which R1, R2, R3, R4 and R5 are identical or different from each other, are atoms of hydrogen, halogens F, Cl or Br, C1 to C3 alkyl groups which may possibly be substituted by atoms of halogens F, Cl and/or Br, or C6 or C10 aryl groups which may possibly be substituted by C1 to C3 alkyl groups and/or atoms of halogens F, Cl and/or Br; and R represents a C6 or C10 aromatic hydrocarbon residue which is unsubstituted, or which is substituted by at least a C1 to C3 alkyl group and/or at least a halogen atom F, Cl or Br; or an alkenyl group having the formula: XY CZ , in which X, Y and Z are identical to or different from each other and represent atoms of hydrogen, halogen F, Cl and/or Br, C1 to C3 alkyl groups or C1 to C3 alkyl groups which are substituted by at least a halogen atom F, Cl or Br.