The heterocyclic compounds having the general formula I ##STR1## wherein R.sup.3 is ##STR2## wherein R' is H, C.sub.1-6 -alkyl or C.sub.3-7 -cycloalkyl; --B-- is --C(R").dbd.N-- or --N.dbd.C(R")-- wherein R" is a cyclic amine or --NR"'R"", wherein R"' and R"" independently are H,C.sub.1-6 -alkoxy, C.sub.3-7 -cycloalkyl or C.sub.1-6 -alkyl. The compounds are useful in psychopharmaceutical preparations as anticonvulsants, anxiolytics, hypnotics and in improving the cognitive function of the brain of mammals.
具有一般式I的
杂环化合物##STR1##其中R.sup.3是##STR2##其中R'是H,C.sub.1-6-烷基或C.sub.3-7-环烷基;--B--是--C(R").dbd.N--或--N.dbd.C(R")--其中R"是环胺基或--NR"'R"",其中R"'和R""独立地是H,C.sub.1-6-烷氧基,C.sub.3-7-环烷基或C.sub.1-6-烷基。这些化合物在精神药物制剂中作为抗癫痫药、
抗焦虑药、催眠药以及改善哺乳动物大脑认知功能方面具有用途。