申请人:G. D. Searle & Co.
公开号:US04066654A1
公开(公告)日:1978-01-03
The present invention encompasses compounds of the formula ##STR1## wherein the Alk is straight or branched chain alkylene containing 2-4 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, alkenyl having 3-7 carbon atoms, Ar" as herein before defined, or a cation selected from the group consisting of sodium, potassium, ammonium or calcium/2. Compounds of the present invention are potent antidiarrheal agents with little, if any, central nervous system activity.
本发明涵盖了以下结构的化合物:##STR1## 其中Alk为直链或支链烷基,含有2-4个碳原子;Ar和Ar'为苯基,烷基取代的苯基,其中烷基含有1-4个碳原子或卤素取代的苯基;Ar"为苯基,烷基取代的苯基,其中烷基含有1-4个碳原子,卤素取代的苯基或吡啶基;X为氢,卤素,三氟甲基或含有1-4个碳原子的烷基;R为氢,含有1-7个碳原子的烷基,含有3-7个碳原子的烯基,如上所述的Ar"或从钠,钾,铵或钙/2的阳离子中选择的阳离子。本发明的化合物是具有很强的抗腹泻作用的,几乎没有中枢神经系统活性。