| abstract |
ABSTRACT OF THE DISCLOSURE: There is disclosed a process for the preparation of 2-methyl-5-pyrazinoic acid consisting in oxidizing by elec-trochemical way a compound having formula: (I) wherein X is -OH, Cl, Br, -O-CO-R, -O-SO2-R, in which R is a C1-C5 alkyl radical, optionally substituted with F or Cl, or it is a C6-C12 aryl radical, in an aqueous alkaline medium, at a temperature ranging from 20°C to 90°C, by using anodes coated with nickel oxide-hydroxide. |