申请人:G. D. Searle & Co.
公开号:US04072686A1
公开(公告)日:1978-02-07
The present invention encompasses compounds of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof wherein the Alk is straight or branched chain alkylene containing 2-4 carbon atoms; M is alkylene having 1-4 carbon atoms; Ar and Ar' are phenyl, alkyl substituted phenyl wherein the alkyl contains from 1-4 carbon atoms or halo substituted phenyl; Ar" is phenyl, alkyl substituted phenyl wherein the alkyl contains 1-4 carbon atoms, halo substituted phenyl or pyridyl; X is hydrogen, halogen, trifluoromethyl or alkyl having from 1-4 carbon atoms; R is hydrogen alkyl having from 1-7 carbon atoms or an alkanoyl having from 2-5 carbon atoms. These compounds are potent antidiarrheal agents characterized by little, if any, central nervous system activity.
本发明涵盖了式子##STR1##的化合物及其药学上可接受的酸加成盐,其中Alk是直链或支链烷基,含有2-4个碳原子;M是含有1-4个碳原子的烷基;Ar和Ar'是苯基,烷基取代的苯基,其中烷基含有1-4个碳原子或卤代取代的苯基;Ar"是苯基,烷基取代的苯基,其中烷基含有1-4个碳原子,卤代取代的苯基或吡啶基;X是氢,卤素,三氟甲基或含有1-4个碳原子的烷基;R是氢,含有1-7个碳原子的烷基或含有2-5个碳原子的脂肪酰基。这些化合物是具有强效止泻作用的药物,其特点是几乎没有中枢神经系统活性。