The present invention concerns compounds of formula. In a preferable embodiment, X represents O; R1 represents C¿1-6?alkyl; cycloC3-12alkyl or (cycloC3-12alkyl)C1-6alkyl, wherein one or more hydrogen atoms in a C1-6alkyl-moiety or in a cycloC3-12alkyl-moiety optionally may be replaced by C1-6alkyloxy, aryl, halo or thienyl; R?2¿ represents hydrogen; halo; C¿1-6?alkyl or amino; R?3 and R4¿ each independently represent hydrogen or C¿1-6?alkyl; or R?2 and R3¿ may be taken together to form -R2-R3-, which represents a bivalent radical of formula -Z¿4?-CH2-CH2-CH2- or -Z4-CH2-CH2- with Z4 being O or NR?11¿ wherein R11 is C¿1-6?alkyl; and wherein each bivalent radical is optionally substituted with C1-6alkyl; or R?3 and R4¿ may be taken together to form a bivalent radical of formula -CH¿2?-CH2-CH2-CH2- ; R?5¿ represents hydrogen; Y represents O; and aryl represents phenyl optionally substituted with halo. The invention also relates to the use of a compound according to the invention as a medicament and in the manufacture of a medicament for treating or preventing glutamate-induced diseases of the central nervous system, as well as formulations comprising such a compound and processes for preparing such a compound.
本发明涉及公式化合物。在一种优选实施方式中,X代表O; R1代表C1-6烷基; 环C3-12烷基或(cycloC3-12烷基)C1-6烷基,其中C1-6烷基基团或环C3-12烷基基团中的一个或多个
氢原子可以被C1-6烷
氧基,芳基,卤素或
噻吩基所取代; R2代表
氢; 卤素; C1-6烷基或
氨基; R3和R4各自独立地代表
氢或C1-6烷基; 或者R2和R3可以结合成-R2-R3-,表示公式-Z'4-
CH2- - -或-Z4- - -的二价基团,其中Z4为O或NR11,其中R11为C1-6烷基; 并且每个二价基团可以选择地被C1-6烷基所取代; 或者R3和R4可以结合成公式- - - -的二价基团; R5代表
氢; Y代表O; 芳基代表
苯基,可以选择地被卤素取代。本发明还涉及将该化合物用作药物及其制造药物以治疗或预防中枢神经系统谷
氨酸诱导的疾病,以及包括该化合物的制剂和制备该化合物的方法。