申请人:The Upjohn Company
公开号:US03996230A1
公开(公告)日:1976-12-07
1-Piperazino-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepines of the formula II: ##SPC1## wherein R is hydrogen, alkyl of 1 to 3 carbon atoms, inclusive, or .beta.-hydroxyethyl; wherein R.sub.1 is hydrogen or alkyl defined as above; and wherein R.sub.2 and R.sub.3 are hydrogen, alkyl as defined above, fluoro, chloro, bromo, nitro or trifluoromethyl, are obtained by reacting a compound of the formula I: ##SPC2## wherein R.sub.1, R.sub.2, and R.sub.3 are defined as above and wherein X is chloro or bromo with a piperazine of the formula: ##SPC3## Wherein R is defined as above. The compounds of the formula II and their pharmacologically acceptable acid addition salts thereof, have tranquilizing, sedative and anti-depressant effects, and are useful for suppression of anxiety and depression in mammals and birds.
式II的1-哌嗪基-6-(2-吡啶基)-4H-s-三唑[4,3-a][1,4]苯二氮平,其中R为氢,1至3个碳原子的烷基或β-羟乙基;R1为氢或上述定义的烷基;R2和R3为氢,上述定义的烷基,氟,氯,溴,硝基或三氟甲基。该化合物通过将式I的化合物与式的哌嗪反应获得:其中R1,R2和R3如上所述,X为氯或溴。式II的化合物及其药学上可接受的酸盐具有镇静,催眠和抗抑郁作用,并且对于哺乳动物和鸟类的焦虑和抑郁症状的抑制是有用的。