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.
本发明涵盖以下式子的化合物:##STR1##
其中Alk是含有2-4个碳原子的直链或支链烷基;Ar和Ar'是苯基、烷基取代苯基(其中烷基含有1-4个碳原子)或卤素取代苯基;Ar"是苯基、烷基取代苯基(其中烷基含有1-4个碳原子)、卤素取代苯基或吡啶基;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、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所选的阳离子。本发明的化合物是具有强效的止泻作用,几乎没有中枢神经系统活性的药物。