New heterocyclic compounds having the general formula
wherein R³ is
or CO₂R′ wherein R′ is C₁₋₆-alkyl, C₃₋₇-cycloalkyl or C₁₋₆-alkoxymethyl; R⁴ is C₁₋₆-alkyl; -S- is
and wherein R⁵ and R⁶ independently are hydrogen, C₁₋₆-alkyl, or aryl.
The compounds are useful in psychopharmaceutical preparations as anticonvulsants, anxiolytics, hypnotics, and in improving the cognitive function of the brain of mammals.
通式如下的新
杂环化合物
其中 R³ 是
或 CO₂R′ 其中 R′ 是 C₁₋₆- 烷基、C₃₋₇-环烷基或 C₁₋₆- 烷氧基甲基;R⁴ 是 C₁₋₆- 烷基;-S- 是
其中 R⁵ 和 R⁶ 独立地为氢、C₁₋₆-烷基或芳基。
这些化合物可作为抗惊厥药、
抗焦虑药、催眠药和改善哺乳动物大脑认知功能的精神药物制剂。