Patents Assigned to Hoechst Aktiengeselleschaft
  • Novel peptides which are active on the central nervous system and have an action on the cholinergic system
    Patent number: 4623715
    Abstract: The invention relates to peptides of the formula IR.sup.4 --A.sup.5 --A.sup.6 --A.sup.7 (I)in which R.sup.4 denotes an acyl group, R.sup.5 denotes D-Lys or Lys, A.sup.6 denotes the radical of phenylalanine, N-methylphenylalanine, 4- alkoxyphenylalanine or 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, and R.sup.7 denotes a basic radical, processes for their preparation and their use.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: November 18, 1986
    Assignee: Hoechst Aktiengeselleschaft
    Inventors: Rolf Geiger, Hermann Gerhards, Hansjorg Kruse