申请人:Glaxo S.p.A.
公开号:US05374648A1
公开(公告)日:1994-12-20
The invention relates to compounds of formula (I). ##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.1 or COR.sub.1 wherein R.sub.1 represents hydroxy, methoxy, or amino; m is zero or an integer 1 or 2; A represents an ethynyl group or an optionally substituted ethenyl, or cyclopropyl group or a substituted ethenyl group; X represents --O-- or NH; R.sub.2 represents an aryl group and when X represents an oxygen atom R.sub.2 may also represent a hydrogen atom or an alkyl group; which are antagonists of excitatory amino acids, to processes for their preparation and to their use in medicine.
本发明涉及公式(I)的化合物。 ##STR1## 或其盐或代谢易降解酯,其中R代表从卤素,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.1或COR.sub.1中选择的基团,其中R.sub.1代表羟基,甲氧基或氨基;m为零或整数1或2;A代表乙炔基或可选取代的乙烯基,环丙基或取代的乙烯基;X代表--O--或NH;R.sub.2代表芳基,当X代表氧原子时,R.sub.2也可以代表氢原子或烷基;它们是兴奋性氨基酸的拮抗剂,本发明还涉及其制备方法及其在医学上的应用。