申请人:Hoffmann-La Roche Inc.
公开号:US05034402A1
公开(公告)日:1991-07-23
Pyrrolidine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen or lower alkanoyl, R.sup.2 is hydrogen or lower alkyl and R.sup.3 is hydrogen, lower alkyl or a group of the formula --(CH.sub.2).sub.n --NR.sup.4 R.sup.5, wherein n is a whole number of 2 to 4 and R.sup.4 and R.sup.5 each, independently, are hydrogen or lower alkyl, or R.sup.4 and R.sup.5 taken together with the nitrogen atom are a pyrrolidinyl, piperidinyl, piperazinyl or morpholinyl group which is optionally substituted by one or two lower alkyl groups, enantiomers thereof, and acid addition salts of compounds of formula I and their enantiomers which are basic, are useful in the control or prevention of cerebral insufficiency or in the improvement of intellectual capacity. The compounds of formula I of the invention can be prepared starting from starting materials hereinafter described, and are useful as medicaments, for example, in the form of pharmaceutical preparations.
式I的吡咯烷衍生物##STR1##其中R.sup.1为氢或低碳酰基,R.sup.2为氢或低烷基,R.sup.3为氢、低烷基或式--(CH.sub.2).sub.n --NR.sup.4 R.sup.5的基团,其中n为2到4的整数,R.sup.4和R.sup.5各自独立地为氢或低烷基,或R.sup.4和R.sup.5与氮原子结合形成可以选择性地被一个或两个低烷基取代的吡咯啉基、哌啶基、哌嗪基或吗啡啉基,其对映体和公式I化合物及其对映体的酸加成盐是有用的,可用于控制或预防脑血管不足或改善智力能力。本发明的式I化合物可以从下述起始材料开始制备,并可作为药物,例如,以药物制剂的形式。