Method for producing vitamin B.sub.1 and its intermediate

Details Method for producing vitamin B.sub.1 and its intermediate Method for producing vitamin B.sub.1 and its intermediate

1979-11-26

1981-03-17

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 78, G25B 302, C25B 304

Patent

active

042565502

ABSTRACT:
N-[2'-methyl-4'-aminopyrimidyl-5'-]methyl-4-methyl-5-.beta.-hydroxyethyl-th iothiazolone(2) is electrochemically oxidized to produce vitamin B.sub.1 in the anode side and simultaneously 2-methyl-4-amino-5-cyanopyrimidine is reduced to produce 2-methyl-4-amino-5-aminomethylpyrimidine in the cathode side. Both anode and cathode sides are separated from each other by at least one sheet of cation exchange membrane.

REFERENCES:
patent: 4149941 (1979-04-01), Mitzlaff et al.
patent: 4176020 (1979-11-01), Misumi et al.

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