Electrochemical synthesis of 2-methyl-5-pyrezinoic acid

Details Electrochemical synthesis of 2-methyl-5-pyrezinoic acid Electrochemical synthesis of 2-methyl-5-pyrezinoic acid

C - Chemistry, Metallurgy

25

B

260/268, 204/55

C25B 3/02 (2006.01)

Patent

CA 1332156

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: Image (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.

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