Synthesis of l-cysteic acid by indirect electrooxidation and an example of paired synthesis: L-cysteic and l-cysteine from l-cystine

Article abstract of DOI:10.1016/S0040-4020(01)87076-9

This paper studies the synthesis of 1-cysteic acid from 1-cystine by oxidation with electrochemically generated bromine in aqueous-HBr solution. High current efficiency and material yield were obtained. A very interesting process of paired synthesis has been proposed to obtain 1-cysteic acid and 1-cysteine from cystine that improves notably the economical parameters.