| 摘要 |
Claimed are cyclopeptides of the formula cyclo-(Arg-B-Asp-D-E) (I) where B = Gly, Ala, -HN-Q-CO- and D and E are independently Gly, -HN-Q-CO-, Ala, Asn, Asp, Asp(OR), Arg, 3-cyclohexyl alanine, Cys, Gln, Glu, His, Ile, Leu, Lys, Lys(Ac), Lys (AcNH2), Lys(AcSH), Met, 3-(2-naphthyl)-alanine, norleucine, ornithine, Phe, 4-halogen-Phe, phenylglycine, proline, 3-(2-pyridyl)-alanine, Ser, Thr, 3-(2-thienyl)-alanine, tetrahydroisoquinoline-3-carbonic acid, Trp, Tyr or Val or their derivs., R = alkyl with 1-6 C-atoms, Hal = F, Cl, Br, I; Q = alkylene with 1-6 C atoms and Ac = alkanoyl with 1-10 C-atoms, where applicable either the D- and L-forms, and the physiological salts thereof. Also claimed is (a) the prodn. of I, (b) a pharmaceutical compsn. including I, and (c) (b's) prodn.. |
