Derivatives of the 3-mercapto-2-oxo-1-pyrrolidinacetic acid, process for their preparation and pharmaceutical compositions containing them
申请人:PROTER S.p.A.
公开号:EP0184861A1
公开(公告)日:1986-06-18
57 The invention relates to the 3-mercapto-2-oxo-1-pyrrolidinyl acetic acid and its derivatives, endowed with mucolithic, expectorant, anti-cough activities; to a process for their preparation by treatment of the related 3-bromoderivatives with the corresponding thiol and to the pharmaceutical preparations containing these compounds as active principle.