申请人:Glaxo Wellcome SpA
公开号:US05760059A1
公开(公告)日:1998-06-02
This invention relates to compounds of formula ##STR1## or a salt, or metabolically labile ester thereof wherein R represents a group selected from halogen, alkyl, alkoxy, amino, alkylamino, dialkylamino, hydroxy, trifluoromethyl, trifluoromethoxy, nitro, cyano, SO.sub.2 R.sub.2 or COR.sub.2 wherein R.sub.2 represents hydroxy, methoxy, amino, alkylamino, or dialkylamino; m is zero or an integer 1 or 2; R.sub.1 represents a cycloalkyl, bridged cycloalkyl, heteroaryl, bridged heterocyclic or optionally substituted phenyl or fused bicyclic carbocylic group; A represents a C.sub.1-4 alkylene chain or the chain (CH.sub.2).sub.p Y(CH.sub.2).sub.q wherein Y is O, S(O)n or NR.sub.3 and which chains may be substituted by one or two groups selected from C.sub.1-6 alkyl optionally substituted by hydroxy, amino, alkylamino or dialkylamino, or which chains may be substituted by the group .dbd.O; R.sub.3 represents hydrogen, alkyl or a nitrogen protecting group; n is zero or an integer from 1 to 2; p is zero or an integer from 1 to 3; q is zero or an integer from 1 to 3 with the proviso that the sum of p+q is 1, 2 or 3, which are antagonists of excitatory amino acids, to processes for the preparation and to other use in medicine.
本发明涉及以下式的化合物或其盐或代谢易降解酯:##STR1##其中,R表示从卤素、烷基、烷氧基、氨基、烷基氨基、二烷基氨基、羟基、三氟甲基、三氟甲氧基、硝基、氰基、SO.sub.2R.sub.2或COR.sub.2中选择的基团,其中R.sub.2表示羟基、甲氧基、氨基、烷基氨基或二烷基氨基;m为零或整数1或2;R.sub.1表示环烷基、桥式环烷基、杂环芳基、桥式杂环或可选地取代的苯基或融合的双环碳环基;A表示C.sub.1-4烷基链或链(CH.sub.2).sub.pY(CH.sub.2).sub.q,其中Y为O、S(O)n或NR.sub.3,这些链可以被一个或两个从C.sub.1-6烷基、可选地取代的羟基、氨基、烷基氨基或二烷基氨基中选择的基团取代,或这些链可以被基团.dbd.O取代;R.sub.3表示氢、烷基或氮保护基;n为零或整数1到2;p为零或整数1到3;q为零或整数1到3,但p+q的总和为1、2或3。这些化合物是兴奋性氨基酸拮抗剂,用于制备及在医学领域中的其他用途。