Patents Assigned to Fratmann S.A.
  • Preparation of N-.about.(1-ethyl-pyrrolidinyl-2)-methyl]-2-methoxy-5-sulphamoyl-benzami de
    Patent number: 3975402
    Abstract: N-[(1-ethyl-pyrrolidinyl-2)-methyl]-2-methoxy-5-sulphamoyl-benzamide is prepared by reacting 1-ethyl-2-aminomethyl-pyrrolidine with 2-methoxy-5-sulphamoyl-benzoic acid in the presence of phosphorous trichloride with pyridine as reaction medium.
    Type: Grant
    Filed: June 12, 1974
    Date of Patent: August 17, 1976
    Assignee: Fratmann S.A.
    Inventor: Fred Kuenzy