ANALOGUES OF SOMATOSTATIN, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR PREPARATION

摘要

Polypeptides of the formula I wherein A is L- or D-Trp, X is H-(Aeg)m-Cys- or H-(Aeg)m-Ala-Gly-Cys-, Y is -Cys-(Aeg)n-OH or X and Y taken together are a 2-aminoethyl-glycyl group in the ring position and m and n are 0, 1, 2, 3 or 4, provided that m + n are at least 1, the cyclic disulfide derivatives, protamine zinc and protamine aluminum complexes and pharmaceutically acceptable acid addition salts thereof, having valuable pharmacological properties, and methods for the preparation thereof using conventional liquid or solid phase syntheses.