The present invention pertains to antagonists of excitatory amino acid receptors, their method of preparation as well as compositions pertaining to them, which have the general formula: ##STR1## wherein m and n are independently 0,1,2, or 3: R1 and R2 are selected from the group consisting of hydrogen, halogen, halomethyl, nitro, amino, alkoxy, hydroxyl, hydroxymethyl, C1 to C6 lower alkyl, C7 to C12 higher alkyl, aryl and aralkyl; Z is a monoacidic radical; R3 is selected from the group consisting of hydrogen, and C1 to C6 lower alkyl; the stereoisomers thereof in their resolved or racemic form, and pharmaceutically acceptable salts thereof. In a preferred embodiment m is 2 or 3 and n is 1.
本发明涉及兴奋性
氨基酸受体拮抗剂,其制备方法以及与之相关的组合物,其具有以下通用式:##STR1##其中m和n独立地为0、1、2或3;R1和R2选自氢、卤素、卤甲基、硝基、
氨基、烷氧基、羟基、羟甲基、C1到C6低烷基、C7到C12高烷基、芳香基和芳基烷基;Z为单酸基;R3选自氢和C1到C6低烷基;其立体异构体以其分离或外消旋形式和药学上可接受的盐。在优选实施方式中,m为2或3,n为1。