Nitrogen Containing Substituent Bonded To Nitrogen Of Phenothiazine Ring System Patents (Class 544/41)
  • Patent number: 4065471
    Abstract: N-(4-Amino-2-butynyl)imides are prepared from N-propargylimides, paraformaldehyde and the appropriate secondary amine. The compounds are useful as stimulants or depressants of the central nervous system.
    Type: Grant
    Filed: September 14, 1970
    Date of Patent: December 27, 1977
    Assignee: Sterling Drug Inc.
    Inventor: William B. Dickinson