The novel pyrrolopyrazines of the general formula ##STR1## wherein one of R.sup.1 and R.sup.2 signifies aryl and the other signifies hydrogen, lower alkyl or aryl or R.sup.1 and R.sup.2 together with the two carbon atoms denoted by .alpha. and .beta. signify the group A; ##STR2## R.sup.3 signifies hydrogen or lower alkyl and R.sup.4 signifies hydrogen or R.sup.3 and R.sup.4 together signify an additional C/N bond; R.sup.5 signifies hydrogen or lower alkyl; R.sup.6 signifies hydrogen or lower alkyl; R.sup.7 signifies hydrogen, halogen, lower alkyl, optionally substituted lower alkoxy, or C.sub.3-6 -cycloalkyl, C.sub.4-6 -cycloalkenyl, C.sub.3-6 -cycloalkyloxy, hydroxy, trifluoro- methanesulphonyloxy or optionally substituted benzyl- oxycarbonyloxy; and the dotted line signifies an optional additional C/C bond, and pharmaceutically acceptable acid addition salts of the compounds of formula I can be used in the control or prevention of illnesses or in the improvement of health, especially in the control or prevention of depressive states, cognitive disorders and neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease.
通式为##STR1##的新型
吡咯吡嗪化合物,其中R.sup.1和R.sup.2中的一个表示芳基,另一个表示氢、低碳基或芳基,或者R.sup.1和R.sup.2与由α和β表示的两个碳原子一起表示A基团;##STR2##其中R.sup.3表示氢或低碳基,R.sup.4表示氢或R.sup.3和R.sup.4一起表示额外的C/N键;R.sup.5表示氢或低碳基;R.sup.6表示氢或低碳基;R.sup.7表示氢、卤素、低碳基、可选取代的低碳氧基、C.sub.3-6 -环烷基、C.sub.4-6 -环烯基、C.sub.3-6 -环烷氧基、羟基、
三氟甲磺酸氧基或可选取代的苄氧羰氧基;虚线表示可选的额外C/C键。通式I化合物的药学上可接受的酸加盐可用于控制或预防疾病或改善健康,特别是在控制或预防抑郁状态、认知障碍和神经退行性疾病如帕
金森病和阿尔茨海默病方面。