申请人:Boehringer Ingelheim KG
公开号:US04767759A1
公开(公告)日:1988-08-30
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 4 carbon atoms; R.sub.2 is 2-, 3- or 4-pyridyl, phenyl or mono- or di- substituted phenyl, where the substituents are each individually alkoxy of 1 to 2 carbon atoms, fluorine, chlorine, bromine, trifluoromethyl, alkyl or 1 to 4 carbon atoms, hydroxyl or nitro; and R.sub.3 and R.sub.4 are each independently hydrogen or alkyl of 1 to 4 carbon atoms; or R.sub.3 and R.sub.4, together with each other and the nitrogen atom to which they are attached, form an unsubstituted or methyl-substituted, saturated 5- or 6-membered heterocycle which may contain an additional oxygen or nitrogen heteroatom, or form an imidazole ring; where the aminomethyl substituent is attached to the 4- or 5-position or the pyrrolidine ring, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as nootropics and antihypoxics.
式##STR1##中的化合物,其中R.sub.1是氢或1至4个碳原子的烷基;R.sub.2是2-、3-或4-吡啶基、苯基或单取代或双取代的苯基,其中取代基分别是1至2个碳原子的烷氧基、氟、氯、溴、三氟甲基、1至4个碳原子的烷基、羟基或硝基;而R.sub.3和R.sub.4分别独立地是氢或1至4个碳原子的烷基;或者R.sub.3和R.sub.4,与彼此和它们连接的氮原子一起,形成一个未取代或甲基取代的饱和的5-或6-成员杂环,该环可能含有额外的氧或氮杂原子,或形成咪唑环;其中氨甲基取代基连接到吡咯烷环的4-或5-位,以及其无毒、药理学上可接受的酸盐。这些化合物以及盐作为脑力增强剂和抗缺氧剂是有用的。