High yield methods for electrochemical preparation of cysteine a

Details High yield methods for electrochemical preparation of cysteine a High yield methods for electrochemical preparation of cysteine a

1988-08-15

1992-04-21

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 73R, 204 78, C25B 300, C25B 302

Patent

active

051064634

ABSTRACT:
Amino acid free bases are prepared electrochemically without production of intermediate acid salts. Amino acids having reducible disulfide linkages and at least one basic nitrogen group are reduced at a high surface area, noncontaminating cathode to provide a current density of at least 50 mA/cm.sup.2, product yield of at least 90% and an operating current efficiency of at least 90%.

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Mizuguchi et al., Bulletin of the Tokyo Institute of Technology (1965) 64, pp. 1-6.
Wong et al., Jour. Chinese Chemical Society, 25, 149-151 (1977).

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