Patent · US Expired

Novel peptides having an immunostimulating action, processes for their preparation and their use

US4650788A · kind A · utility

2Cited by

3References

8Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Horst Kessler · Schwalbach, DE
Bernhard Kutscher · Maintal, DE
Rainer Obermeier
Hubert Mullner · Kelkheim, DE

Key dates

Filing date	Aug 1, 1984
Grant date	Mar 17, 1987
Priority date	—
Expiry date	Aug 1, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S930/27
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to cyclopeptides of the formula I ##STR1## in which A denotes Lys, D-Lys, Arg or D-Arg, B denotes Lys, D-Lys, Arg or D-Arg, C denotes Asp, D-Asp, Glu or D-Glu, U denotes Val or D-Val and D denotes Tyr, D-Tyr, Trp, D-Trp, Phe or D-Phe, 1 to 4 of the radicals A, B, C, U and D being in the L-configuration and the remaining radicals being in the D-configuration, processes for their preparation, their use and peptidic precursors and processes for their preparation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.