Patents Assigned to Kernforschunganlage Julich Gesellschaft mit beschrankter Haftung.
  • Process for the preparation of cyclopropylamine
    Patent number: 5032687
    Abstract: The present process for the preparation of cyclopropylamine by the so-called Hofmann degradation of cyclopropanecarboxamide is characterized in that the cyclopropanecarboxamide is employed in the form of a solution. The new process can be carried out at 5.degree.-35.degree. C. The cyclopropylamine is obtained after introducing the reaction mixture into a concentrated alkali metal hydroxide solution.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: July 16, 1991
    Assignee: Kernforschunganlage Julich Gesellschaft mit beschrankter Haftung.
    Inventors: Herbert Diehl, Heinz U. Blank, Edwin Ritzer