申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05434148A1
公开(公告)日:1995-07-18
Disclosed are .beta.-carboline derivatives represented by the formula: ##STR1## wherein R.sup.1 represents hydrogen atom, a lower alkyl group, a lower alkoxy group or hydroxy group; R.sup.5 represents hydrogen atom, or R.sup.1 and R.sup.5 are bonded to represent a lower alkylenedioxy group; R.sup.2 represents hydrogen atom, a halogen atom, a lower alkoxy group or hydroxy group; R.sup.3 represents hydrogen atom, a carbamoyl lower alkyl group, a lower alkyl group, a carboxy lower alkyl group or a lower alkoxycarbonyl lower alkyl group; R.sup.4 represents hydrogen atom, a lower alkyl group, a carboxy lower alkyl group, a lower alkoxycarbonyl lower alkyl group, a lower alkanoyl group, an arylcarbonyl group, a lower alkanesulfonyl group, a lower alkoxycarbonyl group, an aralkyl group, formyl group or a di(lower alkyl)sulfamoyl group; n represents 0, 1 or 2; and the symbol * represents an asymmetric carbon atom, or a pharmaceutically acceptable salt thereof, and a process for preparing the same.
本发明涉及一种β-咔啉衍
生物,其
化学式表示为:##STR1## 其中R1代表氢原子,较低的烷基,较低的烷氧基或羟基;R5代表氢原子,或R1和R5结合形成较低的烷基二氧基基团;R2代表氢原子,卤原子,较低的烷氧基或羟基;R3代表氢原子,
氨甲酰较低的烷基,较低的烷基,羧较低的烷基或较低的烷氧羰基较低的烷基;R4代表氢原子,较低的烷基,羧较低的烷基,较低的烷氧羰基较低的烷基,较低的烷酰基,芳基羰基,较低的烷基磺酰基,较低的烷氧羰基,芳基烷基,甲酰基或二(较低的烷基)磺酰基;n代表0、1或2;符号*代表不对称碳原子,或其药学上可接受的盐,以及制备它们的过程。