申请人:Hoechst Aktiengesellschaft
公开号:US04855286A1
公开(公告)日:1989-08-08
The invention relates to compounds of the formula ##STR1## in which R.sup.1 is absent or denotes hydrogen, alkyl or acyl, A denotes an acyl radical or an amino acid residue, B denotes an amino acid residue, and R.sup.2, R.sup.3 and R.sup.4 are as defined in the specification, and to their salts, to a process for their preparation, to pharmaceutical products containing them, and to their use as medicaments, and intermediates for the preparation of these compounds.
本发明涉及以下式子的化合物 ##STR1## 其中R.sup.1是不存在或表示氢,烷基或酰基,A表示酰基或氨基酸残基,B表示氨基酸残基,R.sup.2,R.sup.3和R.sup.4如规范中定义的,并且涉及它们的盐,它们的制备过程,含有它们的药物制品以及它们作为药物的用途,以及制备这些化合物的中间体。