Compounds of formula:
Compounds of formula :
in which X, is hydrogen, des-amino, H-Ala-Gly or H-Ala-D-Ala; X2 is a Trp, Leu, Met or p-Cl-Phe; X3 is a D-Trp or 5-or 6-fluoro-D-Trp; and the A groups are hydrogen or a direct bond between the two sulphur atoms; and pharmaceutically acceptable salts thereof, are disclosed which are selective inhibitors of growth hormone and glucagon release without materially altering blood serum levels of insulin. They are prepared by classical or solid phase synthetic methods via appropriate protected peptide precursors. Pharmaceutical compositions are also disclosed.
式的化合物:
式化合物
其中 X 是氢、去
氨基、H-Ala-Gly 或 H-Ala-D-Ala;X2 是 Trp、Leu、Met 或 p-Cl-Phe;X3 是 D-Trp 或 5 或 6-
氟-D-Trp;A 基团是氢或两个
硫原子间的直接键;以及它们的药学上可接受的盐,这些化合物是生长激素和胰高血糖素释放的选择性
抑制剂,不会对血清中的
胰岛素水平产生实质性的改变。它们是通过适当的受保护肽前体以经典或固相合成方法制备的。还公开了药物组合物。