Patent ID: 9090977
Filing Date: 2015-07-28
Classification: C07D,C25B

Abstract:
1. A method for preparing a compound, the method comprising the steps of: activating a silver cathode by anodizing the cathode at a final potential in the range of +1.05 to +1.8 volts; passing a direct or alternating electric current from an anode to the activated silver cathode through a solution of 3,5-dihalopyridine or 3,5-dihalopicolinic acid of Formula (II) wherein: X represents Cl or Br; Y represents H, F, Cl, Br, or C R R forming a 3-halopyridine or 3-halopicolinic acid of Formula (I) wherein X represents Cl or Br; Y represents H, F, Cl, Br or C R R