PROCEDURE FOR THE ELECTROCHEMICAL SYNTHESIS OF N-ACETILCISTEINA FROM CISTINA.

摘要

THE INVENTION REFERS TO A PROCESS THAT CONSISTS OF: (A) OBTAINING OF N - ACETYL - CYSTEINE FROM L - CYSTINE, THROUGH THE FOLLOWING PHASES: (I) ACETYLATION OF L - CYSTINE, TO PRODUCE N - ACETYL CYSTINE; (II) ELECTRORREDUCTION AND DESALINATION THROUGH ELECTRODIALYSIS OF N - ACETYL - CYSTINE AS SO PRODUCED, TO PRODUCE N - ACETYL CYSTEINE; OR (B) OBTAINING OF N - ACETYL - CYSTEINE FROM L - CYSTINE, THROUGH THE FOLLOWING PHASES: (I) ACETYLATION AND DESALINATION OF L CYSTINE TO PRODUCE N ACETYL - CYSTINE; (II) N - ACETYL - CYSTINE ELECTRORREDUCTION WHICH MAY OR MAY NOT COME FROM THE PREVIOUS PHASE (I), TO PRODUCE N - ACETYL CYSTEINE; (C) OBTAINING OF N - ACETYL - CYSTEINE FROM L - CYSTINE, THROUGH THE FOLLOWING PHASES: (I) ELECTRORREDUCTION OF L - CYSTINE TO PRODUCE L - CYSTEINE; (II) ACETYLATION AND DESALINATION THROUGH ELECTRODIALYSIS OF L CYSTEINE, WHICH MAY OR MAY NOT COME FROM THE PREVIOUS PHASE (I), TO PRODUCE N - ACETYL - CYSTEINE. THE N - ACETIL - CISTEINA ASI OBTAINED PRESENTS IMPORTANT UTILIZATIONS IN THE PHARMACEUTICAL SECTOR.