申请人:Hoechst Aktiengellschaft
公开号:US04942176A1
公开(公告)日:1990-07-17
A description is given of a process for the preparation of a compound of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 (identical or different) represent H, alkyl having 1-2 carbon atoms and F, Cl, Br or I; R.sup.4 represents H, alkyl having 1-4 carbon atoms, n represents the numbers 2-5, and R.sup.5 represents a radical which can be eliminated under physiological conditions or represents hydrogen, and its physiologically tolerated salts. They are effective remedies for diarrhea.
给出了一种制备化合物I的过程的描述##STR1## 其中R.sup.1、R.sup.2和R.sup.3(相同或不同)代表H、含有1-2个碳原子的烷基和F、Cl、Br或I;R.sup.4代表H、含有1-4个碳原子的烷基,n代表数字2-5,R.sup.5代表在生理条件下可以被消除的基团或代表氢,以及其生理耐受的盐。它们是治疗腹泻的有效药物。